upgrade cdncheck to 1.0.0

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/miekg/dns v1.1.53
 	github.com/pkg/errors v0.9.1
 	github.com/projectdiscovery/asnmap v1.0.3
-	github.com/projectdiscovery/cdncheck v0.0.3
+	github.com/projectdiscovery/cdncheck v1.0.0
 	github.com/projectdiscovery/clistats v0.0.12
 	github.com/projectdiscovery/goconfig v0.0.1
 	github.com/projectdiscovery/goflags v0.1.8
@@ -55,11 +55,11 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/muesli/reflow v0.3.0 // indirect
 	github.com/muesli/termenv v0.15.1 // indirect
-	github.com/nwaples/rardecode v1.1.0 // indirect
+	github.com/nwaples/rardecode v1.1.3 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
-	github.com/pierrec/lz4 v2.6.0+incompatible // indirect
+	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/projectdiscovery/blackrock v0.0.0-20221025011524-9e4efe804fb4 // indirect
+	github.com/projectdiscovery/blackrock v0.0.1 // indirect
 	github.com/projectdiscovery/freeport v0.0.4 // indirect
 	github.com/projectdiscovery/retryablehttp-go v1.0.15 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
@@ -73,21 +73,22 @@ require (
 	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tidwall/rtred v0.1.2 // indirect
 	github.com/tidwall/tinyqueue v0.1.1 // indirect
-	github.com/ulikunitz/xz v0.5.8 // indirect
+	github.com/ulikunitz/xz v0.5.11 // indirect
+	github.com/weppos/publicsuffix-go v0.30.0 // indirect
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
 	github.com/yl2chen/cidranger v1.0.2 // indirect
 	github.com/yuin/goldmark v1.5.4 // indirect
 	github.com/yuin/goldmark-emoji v1.0.1 // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.7.0 // indirect
-	golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 // indirect
-	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230420155640-133eef4313cb // indirect
+	golang.org/x/mod v0.10.0 // indirect
 	golang.org/x/net v0.9.0 // indirect
 	golang.org/x/oauth2 v0.7.0 // indirect
 	golang.org/x/sys v0.7.0 // indirect
 	golang.org/x/text v0.9.0 // indirect
-	golang.org/x/tools v0.7.0 // indirect
+	golang.org/x/tools v0.8.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.29.1 // indirect
 	gopkg.in/djherbis/times.v1 v1.3.0 // indirect

go.sum

@@ -55,6 +55,7 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
 github.com/google/go-github/v30 v30.1.0 h1:VLDx+UolQICEOKu2m4uAoMti1SxuEBAl7RSEG16L+Oo=
 github.com/google/go-github/v30 v30.1.0/go.mod h1:n8jBpHl45a/rlBUtRJMOG4GhNADUQFEufcolZ95JfU8=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
@@ -107,8 +108,9 @@ github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKt
 github.com/muesli/termenv v0.13.0/go.mod h1:sP1+uffeLaEYpyOTb8pLCUctGcGLnoFjSn4YJK5e2bc=
 github.com/muesli/termenv v0.15.1 h1:UzuTb/+hhlBugQz28rpzey4ZuKcZ03MeKsoG7IJZIxs=
 github.com/muesli/termenv v0.15.1/go.mod h1:HeAQPTzpfs016yGtA4g00CsdYnVLJvxsS4ANqrZs2sQ=
-github.com/nwaples/rardecode v1.1.0 h1:vSxaY8vQhOcVr4mm5e8XllHWTiM4JF507A0Katqw7MQ=
 github.com/nwaples/rardecode v1.1.0/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
+github.com/nwaples/rardecode v1.1.3 h1:cWCaZwfM5H7nAD6PyEdcVnczzV8i/JtotnyW/dD9lEc=
+github.com/nwaples/rardecode v1.1.3/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
@@ -117,18 +119,19 @@ github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
 github.com/onsi/ginkgo v1.16.4 h1:29JGrr5oVBm5ulCWet69zQkzWipVXIol6ygQUe/EzNc=
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c=
-github.com/pierrec/lz4 v2.6.0+incompatible h1:Ix9yFKn1nSPBLFl/yZknTp8TU5G4Ps0JDmguYK6iH1A=
 github.com/pierrec/lz4 v2.6.0+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
+github.com/pierrec/lz4 v2.6.1+incompatible h1:9UY3+iC23yxF0UfGaYrGplQ+79Rg+h/q9FV9ix19jjM=
+github.com/pierrec/lz4 v2.6.1+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/projectdiscovery/blackrock v0.0.1 h1:lHQqhaaEFjgf5WkuItbpeCZv2DUIE45k0VbGJyft6LQ=
+github.com/projectdiscovery/blackrock v0.0.1/go.mod h1:ANUtjDfaVrqB453bzToU+YB4cUbvBRpLvEwoWIwlTss=
+github.com/projectdiscovery/cdncheck v1.0.0 h1:4RrvkHW4AGot7NDFjCNa3vbuN3I/PJ9ZG9qOQLKAbYA=
+github.com/projectdiscovery/cdncheck v1.0.0/go.mod h1:5l2DFwQNbR3uDYiyUpUQLN0I37+JnE8rSeBpd7WQR/Y=
 github.com/projectdiscovery/asnmap v1.0.3 h1:Jxo8bcLui9OphkABDEuuEYne0UWMvgSThReecv08FTk=
 github.com/projectdiscovery/asnmap v1.0.3/go.mod h1:tR5ZE2RxDvyPJ/w1mpmTusPeLW8rTz1ojZ5M4ATKeO4=
-github.com/projectdiscovery/blackrock v0.0.0-20221025011524-9e4efe804fb4 h1:EsrQ/zkotVodSJLOch3pV/UYt1vQcwyIs5HX0sm1ljE=
-github.com/projectdiscovery/blackrock v0.0.0-20221025011524-9e4efe804fb4/go.mod h1:5tNGQP9kOfW+X5+40pZP8aqPYLHs45nJkFaSHLxdeH8=
-github.com/projectdiscovery/cdncheck v0.0.3 h1:li2/rUJmhVXSqRFyhJMqi6pdBX6ZxMnwzBfE0Kifj/g=
-github.com/projectdiscovery/cdncheck v0.0.3/go.mod h1:EevMeCG1ogBoUJYaa0Mv9R1VUboDm/DiynId7DboKy0=
 github.com/projectdiscovery/clistats v0.0.12 h1:KLYJxpiwEFidduU4PbcwEcCQ2L7c5wrf7DI5IN5fZ+8=
 github.com/projectdiscovery/clistats v0.0.12/go.mod h1:9luKJj+7Hjq3+a7g129sKWRYx4SbTdkUWZQxabn3H5Y=
 github.com/projectdiscovery/freeport v0.0.4 h1:H4VrK/7hUcC1zbg46zv9iSMBACBDpUqcHkV+FUyXISw=
@@ -193,13 +196,18 @@ github.com/tidwall/tinyqueue v0.1.1 h1:SpNEvEggbpyN5DIReaJ2/1ndroY8iyEGxPYxoSaym
 github.com/tidwall/tinyqueue v0.1.1/go.mod h1:O/QNHwrnjqr6IHItYrzoHAKYhBkLI67Q096fQP5zMYw=
 github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
 github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-github.com/ulikunitz/xz v0.5.8 h1:ERv8V6GKqVi23rgu5cj9pVfVzJbOqAY2Ntl88O6c2nQ=
-github.com/ulikunitz/xz v0.5.8/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+github.com/ulikunitz/xz v0.5.11 h1:kpFauv27b6ynzBNT/Xy+1k+fK4WswhN/6PN5WhFAGw8=
+github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+github.com/weppos/publicsuffix-go v0.12.0/go.mod h1:z3LCPQ38eedDQSwmsSRW4Y7t2L8Ln16JPQ02lHAdn5k=
+github.com/weppos/publicsuffix-go v0.30.0 h1:QHPZ2GRu/YE7cvejH9iyavPOkVCB4dNxp2ZvtT+vQLY=
+github.com/weppos/publicsuffix-go v0.30.0/go.mod h1:kBi8zwYnR0zrbm8RcuN1o9Fzgpnnn+btVN8uWPMyXAY=
+github.com/weppos/publicsuffix-go/publicsuffix/generator v0.0.0-20220927085643-dc0d00c92642/go.mod h1:GHfoeIdZLdZmLjMlzBftbTDntahTttUMWjxZwQJhULE=
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 h1:nIPpBwaJSVYIxUFsDv3M8ofmx9yWTog9BfvIu0q41lo=
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8/go.mod h1:HUYIGzjTL3rfEspMxjDjgmT5uz5wzYJKVo23qUhYTos=
 github.com/yl2chen/cidranger v1.0.2 h1:lbOWZVCG1tCRX4u24kuM1Tb4nHqWkDxwLdoS+SevawU=
 github.com/yl2chen/cidranger v1.0.2/go.mod h1:9U1yz7WPYDwf0vpNWFaeRh0bjwz5RVgRy/9UEQfHl0g=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yuin/goldmark v1.5.2/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yuin/goldmark v1.5.4 h1:2uY/xC0roWy8IBEGLgB1ywIoEJFGmRrX21YQcvGZzjU=
 github.com/yuin/goldmark v1.5.4/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
@@ -211,25 +219,34 @@ go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
-golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 h1:pVgRXcIictcr+lBQIFeiwuwtDIs4eL21OuM9nyAADmo=
-golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
-golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
-golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/exp v0.0.0-20230420155640-133eef4313cb h1:rhjz/8Mbfa8xROFiH+MQphmAmgqRM0bOMnytznhWEXk=
+golang.org/x/exp v0.0.0-20230420155640-133eef4313cb/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
+golang.org/x/mod v0.10.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20221002022538-bcab6841153b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
 golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.7.0 h1:qe6s0zUXlPX80/dITx3440hWZ7GwMwgDDyrSGTPJG/g=
 golang.org/x/oauth2 v0.7.0/go.mod h1:hPLQkd9LyjfXTiRohC/41GhcFqxisoUQ99sCUOHO9x4=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -238,22 +255,31 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210228012217-479acdf4ea46/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
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+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
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 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
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-golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
-golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
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libs/dnsx/cdn.go

@@ -3,22 +3,32 @@ package dnsx
 import (
 	"net"
 
-	"github.com/pkg/errors"
+	errorutil "github.com/projectdiscovery/utils/errors"
 	iputil "github.com/projectdiscovery/utils/ip"
 )
 
 // CdnCheck verifies if the given ip is part of Cdn ranges
 func (d *DNSX) CdnCheck(domain string) (bool, string, error) {
 	if d.cdn == nil {
-		return false, "", errors.New("cdn client not initialized")
+		return false, "", errorutil.New("cdn client not initialized")
 	}
 	ips, err := net.LookupIP(domain)
 	if err != nil {
 		return false, "", err
 	}
-	ipAddr := ips[0].String()
+	ipv4Ips := []net.IP{}
+	// filter ipv4s for ips
+	for _, ip := range ips {
+		if iputil.IsIPv4(ip) {
+			ipv4Ips = append(ipv4Ips, ip)
+		}
+	}
+	if len(ipv4Ips) < 1 {
+		return false, "", errorutil.New("No IPV4s found in lookup for %v", domain)
+	}
+	ipAddr := ipv4Ips[0].String()
 	if !iputil.IsIP(ipAddr) {
-		return false, "", errors.Errorf("%s is not a valid ip", ipAddr)
+		return false, "", errorutil.New("%s is not a valid ip", ipAddr)
 	}
-	return d.cdn.Check(net.ParseIP((ipAddr)))
+	return d.cdn.CheckCDN(net.ParseIP((ipAddr)))
 }

libs/dnsx/dnsx.go

@@ -85,11 +85,7 @@ func New(options Options) (*DNSX, error) {
 	dnsClient.TCPFallback = true
 	dnsx := &DNSX{dnsClient: dnsClient, Options: &options}
 	if options.OutputCDN {
-		var err error
-		dnsx.cdn, err = cdncheck.NewWithCache()
-		if err != nil {
-			return nil, err
-		}
+		dnsx.cdn = cdncheck.New()
 	}
 	return dnsx, nil
 }