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  1. ## wget fails
  2. ## NB Chrome also fails showing DNS_PROBE_FINISHED_NXDOMAIN, as does Chrome on phone via mobile carrier (avoiding local wifi etc)
  3.  
  4. $ wget https://vitalik.eth.link
  5. --2022-06-10 00:58:48-- https://vitalik.eth.link/
  6. Resolving vitalik.eth.link (vitalik.eth.link)... failed: Temporary failure in name resolution.
  7. wget: unable to resolve host address ‘vitalik.eth.link’
  8.  
  9.  
  10. ## Output of dig +trace A vitalik.eth.link
  11.  
  12. ; <<>> DiG 9.16.1-Ubuntu <<>> +trace A vitalik.eth.link
  13. ;; global options: +cmd
  14. . 137 IN NS d.root-servers.net.
  15. . 137 IN NS e.root-servers.net.
  16. . 137 IN NS k.root-servers.net.
  17. . 137 IN NS i.root-servers.net.
  18. . 137 IN NS b.root-servers.net.
  19. . 137 IN NS m.root-servers.net.
  20. . 137 IN NS l.root-servers.net.
  21. . 137 IN NS c.root-servers.net.
  22. . 137 IN NS a.root-servers.net.
  23. . 137 IN NS f.root-servers.net.
  24. . 137 IN NS h.root-servers.net.
  25. . 137 IN NS j.root-servers.net.
  26. . 137 IN NS g.root-servers.net.
  27. ;; Received 262 bytes from 127.0.0.53#53(127.0.0.53) in 12 ms
  28.  
  29. link. 172800 IN NS ns4.uniregistry.info.
  30. link. 172800 IN NS ns2.uniregistry.info.
  31. link. 172800 IN NS ns1.uniregistry.net.
  32. link. 172800 IN NS ns3.uniregistry.net.
  33. link. 86400 IN DS 16378 5 2 22F61A68A2F1BFE7A3B8A71DE8DB12BAC9A51D98D8D1F44C1717396E 395C180B
  34. link. 86400 IN DS 33631 5 1 3B75B8FA70D02DD2318B92DBAF7C19E97227CBD3
  35. link. 86400 IN DS 33631 5 2 98C5361E319C349C3135070138A0A8B34D5CA3CFFE87B3D27294E313 E696F101
  36. link. 86400 IN DS 51802 5 1 4F1558597AEC14F10D869F5F43D4905CDF6189DF
  37. link. 86400 IN DS 51802 5 2 2D24B7DF7EFCB55786172F5927D12F15FBB5905EC98C9FAB2525A901 5119DF29
  38. link. 86400 IN DS 16378 5 1 4BAC0A7FB788380C75B12257AF422CF2F32EE828
  39. link. 86400 IN RRSIG DS 8 1 86400 20220622050000 20220609040000 47671 . MLSk3E445IrGd43DqXEFL8ESU+F3fyUj+BC3UK4MgDhXx+FyxdJl7PMv UUV988WNy8RIT3jnVG0i5YyboucqO51yoowoYHsLI0fMxm4p8KrAYzCX wmhlSEauLmIpxfNwJup6zmB5LIk/SwbhyyLDyu8wovh+uZIchpI9lKP9 K1A32XcGE6zMteLz+D0KonJ1/14Zkovr4xeM88vo9TP1Rer4QgnXsaDe YaBCzTtsx4jCSl62tYjVp9QG/ubHmsxNBCzYUG+ufmmerfbQ7V51ARGR NWbCC39fHcVKowXdtQOq6XcnfOsYzncQgD1ffzYHf/vnfwDuj/wwTNpo qV7a5A==
  40. ;; Received 835 bytes from 202.12.27.33#53(m.root-servers.net) in 12 ms
  41.  
  42. eth.link. 900 IN NS ns3.ethdns.xyz.
  43. eth.link. 900 IN NS ns2.ethdns.xyz.
  44. eth.link. 900 IN NS ns1.ethdns.xyz.
  45. eth.link. 900 IN NSEC eth-defi.link. NS RRSIG NSEC
  46. eth.link. 900 IN RRSIG NSEC 5 2 900 20220709145701 20220609145701 38268 link. b7xeGFWIg4QG+3StqS/GueEiCr6NaXhKirLopWcrbCqr1obhSV5qQT2n oKI6NhW7izvel8zBqMnkXVGmFDe8BMAiN4RsRuzm1T3wwUfROPqxgRDO 37gVFlsasep3QhOTW5YidzfN9gDdjFpJeRYr6c/8l+cknQB/P26MGeEE p/w=
  47. ;; Received 308 bytes from 185.159.198.3#53(ns4.uniregistry.info) in 16 ms
  48.  
  49. vitalik.eth.link. 86400 IN CNAME resolver.cloudflare-eth.com.
  50. ;; Received 86 bytes from 216.239.34.110#53(ns2.ethdns.xyz) in 84 ms
  51.  
  52.  
  53. ## That gave us a cname so let's try the CNAME too
  54.  
  55. ; <<>> DiG 9.16.1-Ubuntu <<>> +trace A resolver.cloudflare-eth.com
  56. ;; global options: +cmd
  57. . 107 IN NS g.root-servers.net.
  58. . 107 IN NS j.root-servers.net.
  59. . 107 IN NS h.root-servers.net.
  60. . 107 IN NS f.root-servers.net.
  61. . 107 IN NS a.root-servers.net.
  62. . 107 IN NS c.root-servers.net.
  63. . 107 IN NS l.root-servers.net.
  64. . 107 IN NS m.root-servers.net.
  65. . 107 IN NS b.root-servers.net.
  66. . 107 IN NS i.root-servers.net.
  67. . 107 IN NS k.root-servers.net.
  68. . 107 IN NS e.root-servers.net.
  69. . 107 IN NS d.root-servers.net.
  70. ;; Received 262 bytes from 127.0.0.53#53(127.0.0.53) in 0 ms
  71.  
  72. com. 172800 IN NS b.gtld-servers.net.
  73. com. 172800 IN NS i.gtld-servers.net.
  74. com. 172800 IN NS f.gtld-servers.net.
  75. com. 172800 IN NS c.gtld-servers.net.
  76. com. 172800 IN NS g.gtld-servers.net.
  77. com. 172800 IN NS h.gtld-servers.net.
  78. com. 172800 IN NS l.gtld-servers.net.
  79. com. 172800 IN NS d.gtld-servers.net.
  80. com. 172800 IN NS a.gtld-servers.net.
  81. com. 172800 IN NS j.gtld-servers.net.
  82. com. 172800 IN NS e.gtld-servers.net.
  83. com. 172800 IN NS m.gtld-servers.net.
  84. com. 172800 IN NS k.gtld-servers.net.
  85. com. 86400 IN DS 30909 8 2 E2D3C916F6DEEAC73294E8268FB5885044A833FC5459588F4A9184CF C41A5766
  86. com. 86400 IN RRSIG DS 8 1 86400 20220622050000 20220609040000 47671 . G3KhoI7Zr42lFkqk1/YWHxTZ2OLnv+2SMqQ+eBsvSeEz9f7njRheLYh/ CvFRmQ+WZZ5U+UDFKio/Qgt0MrBI0UHyKGlqkvGfFNCNJh0QTrUYGqH6 8dWEBnwMVODGlNQFMBV0Or3QX+xtCdimmRD0H+2D8fLW+MY6AnfwC8Z6 4JCSR69AgibFJo7mh4Xh6S4Cb//nnXW5Tw82d1uf1YVRRMUdALZFuqMJ 5qAMDmpghXrENCsoDG5Mkq62UZn5L4hORVDdocDmF1nsAFI/CetWI6R9 NkWnzatA1FH6TFZHprozqgCIb/+GNG1s2hvWal8tsm+HPCDPLBAl7/zt AF1Rdw==
  87. ;; Received 1187 bytes from 202.12.27.33#53(m.root-servers.net) in 12 ms
  88.  
  89. cloudflare-eth.com. 172800 IN NS jobs.ns.cloudflare.com.
  90. cloudflare-eth.com. 172800 IN NS meera.ns.cloudflare.com.
  91. cloudflare-eth.com. 86400 IN DS 2371 13 2 D163E1B503BBC8A00496C7E8C307735DADC2BD0536FA1AC1B1CEB06D 9968CF61
  92. cloudflare-eth.com. 86400 IN RRSIG DS 8 2 86400 20220616042220 20220609031220 37269 com. 1jhbVD9+svxfYN4VrvRzVubCESP+cCApfgN36klSQPx/Os+k4Op1ky9J BgjV0MToa8qbct6g9IkLPetGGKcDfuyX2p+tEqePzgIr/OrCQxgRslr1 HtRPd4kG3Wzz8iyWYuMpwb6TggfGlt46zGx6Q1g6DhVTi51pYyNhqGGw FA7uaJuEXHharTbEIAWYS+7/RFu3Z6yk2Xr5nt9UOk1Bxg==
  93. ;; Received 616 bytes from 192.31.80.30#53(d.gtld-servers.net) in 176 ms
  94.  
  95. resolver.cloudflare-eth.com. 300 IN NS moura.ns.cloudflare.com.
  96. resolver.cloudflare-eth.com. 300 IN NS dee.ns.cloudflare.com.
  97. resolver.cloudflare-eth.com. 300 IN DS 2371 13 2 0D24732C293FDECCF0AA166CBBA21D8623447D48EA827B4D98F0C512 8DF7CA32
  98. resolver.cloudflare-eth.com. 300 IN RRSIG DS 13 3 300 20220610165937 20220608145937 34505 cloudflare-eth.com. 5sXc/Xmkks7JkohSu8VMbhNuA07P9Pr2V3w8UUZbfaQOCx8TUoPqE3Wc I0NGMfsn3B/VLoh6jct6QJd8k4v3Pg==
  99. ;; Received 270 bytes from 172.64.33.183#53(jobs.ns.cloudflare.com) in 28 ms
  100.  
  101. resolver.cloudflare-eth.com. 300 IN A 104.18.165.219
  102. resolver.cloudflare-eth.com. 300 IN A 104.18.166.219
  103. resolver.cloudflare-eth.com. 300 IN RRSIG A 13 3 300 20220610165937 20220608145937 34505 resolver.cloudflare-eth.com. 1onIsOFvKhvMhTsLPfCVNAe5SYjNOiX1AhyOw6q5+MQWoXrbVTtqtxt9 opOEBJzfvvEZPXI8RKe7nnexhmnHeA==
  104. ;; Received 211 bytes from 108.162.192.93#53(dee.ns.cloudflare.com) in 40 ms
  105.  
  106.  
  107. ## Additional quick tests with nslookup
  108.  
  109.  
  110. ## First the local resolver (ubuntu 20.04)
  111.  
  112. $ nslookup
  113. > vitalik.eth.link
  114. Server: 127.0.0.53
  115. Address: 127.0.0.53#53
  116.  
  117. ** server can't find vitalik.eth.link: SERVFAIL
  118.  
  119. ## Try the nameserver listed for .eth.link
  120.  
  121. > server ns1.ethdns.xyz.
  122. Default server: ns1.ethdns.xyz
  123. Address: 216.239.32.110#53
  124. > vitalik.eth.link
  125. Server: ns1.ethdns.xyz
  126. Address: 216.239.32.110#53
  127.  
  128. vitalik.eth.link canonical name = resolver.cloudflare-eth.com.
  129. ** server can't find resolver.cloudflare-eth.com: REFUSED
  130.  
  131.  
  132. ## See if Google would tell us
  133.  
  134. > server 8.8.8.8
  135. Default server: 8.8.8.8
  136. Address: 8.8.8.8#53
  137. > vitalik.eth.link
  138. Server: 8.8.8.8
  139. Address: 8.8.8.8#53
  140.  
  141. Non-authoritative answer:
  142. vitalik.eth.link canonical name = resolver.cloudflare-eth.com.
  143. Name: resolver.cloudflare-eth.com
  144. Address: 104.18.165.219
  145. Name: resolver.cloudflare-eth.com
  146. Address: 104.18.166.219
  147. Name: resolver.cloudflare-eth.com
  148. Address: 2606:4700::6812:a6db
  149. Name: resolver.cloudflare-eth.com
  150. Address: 2606:4700::6812:a5db
  151.  
  152.  
  153. ## Try my ISP's nameserver
  154.  
  155.  
  156. Default server: 202.238.95.24
  157. Address: 202.238.95.24#53
  158. >
  159. > server 202.238.95.24
  160. > vitalik.eth.link
  161. Server: 202.238.95.24
  162. Address: 202.238.95.24#53
  163.  
  164. ** server can't find vitalik.eth.link: SERVFAIL
  165.  
  166.  
  167. ## Just make sure my ISP's nameserver is answering other queries
  168.  
  169. > www.google.com
  170. Server: 202.238.95.24
  171. Address: 202.238.95.24#53
  172. Non-authoritative answer:
  173. Name: www.google.com
  174. Address: 172.217.161.36
  175.  
  176.  
  177. ## See if it can get the hostname specified by the CNAME
  178.  
  179. > resolver.cloudflare-eth.com
  180. Server: 202.238.95.24
  181. Address: 202.238.95.24#53
  182.  
  183. Non-authoritative answer:
  184. Name: resolver.cloudflare-eth.com
  185. Address: 104.18.166.219
  186. Name: resolver.cloudflare-eth.com
  187. Address: 104.18.165.219
  188. > exit
  189.  
  190.  
  191. ## See if wget could get this page if only it had the IP from the CNAME
  192.  
  193. sudo sh -c 'echo "104.18.166.219 vitalik.eth.link" >> /etc/hosts'
  194. wget https://vitalik.eth.link
  195. --2022-06-10 01:07:47-- https://vitalik.eth.link/
  196. Resolving vitalik.eth.link (vitalik.eth.link)... 104.18.166.219
  197. Connecting to vitalik.eth.link (vitalik.eth.link)|104.18.166.219|:443... connected.
  198. HTTP request sent, awaiting response... 200 OK
  199. Length: 19841 (19K) [text/html]
  200. Saving to: ‘index.html.3’
  201.  
  202. 2022-06-10 01:07:47 (6.84 MB/s) - ‘index.html.3’ saved [19841/19841]
  203.  
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