Created
December 12, 2014 17:25
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Odd DNS Behavior
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| When I do a dig for googleusercontent.com I don't get an answer. If I specify the DNS server IP address I do get an answer. Not sure what is happening but curl and Python cannot resolve the address while the browser can. Any ideas? | |
| $ dig googleusercontent.com | |
| ; <<>> DiG 9.8.3-P1 <<>> googleusercontent.com | |
| ;; global options: +cmd | |
| ;; Got answer: | |
| ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23113 | |
| ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 | |
| ;; QUESTION SECTION: | |
| ;googleusercontent.com. IN A | |
| ;; Query time: 0 msec | |
| ;; SERVER: 10.230.229.1#53(10.230.229.1) | |
| ;; WHEN: Fri Dec 12 12:17:40 2014 | |
| ;; MSG SIZE rcvd: 39 | |
| $ dig @10.230.229.1 googleusercontent.com | |
| ; <<>> DiG 9.8.3-P1 <<>> @10.230.229.1 googleusercontent.com | |
| ; (1 server found) | |
| ;; global options: +cmd | |
| ;; Got answer: | |
| ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14764 | |
| ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 | |
| ;; QUESTION SECTION: | |
| ;googleusercontent.com. IN A | |
| ;; AUTHORITY SECTION: | |
| googleusercontent.com. 60 IN SOA ns1.google.com. dns-admin.google.com. 1576005 21600 3600 1209600 300 | |
| ;; Query time: 29 msec | |
| ;; SERVER: 10.230.229.1#53(10.230.229.1) | |
| ;; WHEN: Fri Dec 12 12:19:50 2014 | |
| ;; MSG SIZE rcvd: 109 |
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