## page was renamed from watchNS/qmail.jp-old/any ## page was renamed from watchNS/qmail.jp/any ## page was renamed from watchNS/qmail.jp ## page was renamed from DNS/watch/qmail.jp DNS/watch/qmail.jpについて、ここに記述してください。 [[/さくら]] == dig での結果 == 512バイトを越えるので、tcpが使われている。 (EDNS0 サポートなし) $ dig any qmail.jp @moin.qmail.jp {{{ ;; Warning: Message parser reports malformed message packet. ;; Truncated, retrying in TCP mode. ; <<>> DiG 9.7.3 <<>> any qmail.jp @moin.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15964 ;; flags: qr aa rd; QUERY: 1, ANSWER: 12, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;qmail.jp. IN ANY ;; ANSWER SECTION: qmail.jp. 86400 IN SOA a.ns.qmail.jp. hostmaster.m.qmail.jp. 1306498529 16384 2048 1048576 86400 qmail.jp. 86400 IN NS a.ns.qmail.jp. qmail.jp. 86400 IN NS uz5b3p79vgf8v8yttum0fr1cbpg4tr0gdywhvwzdmb6u3hj6b8lk30.a.ns.qmail.jp. qmail.jp. 86400 IN TXT "Powered by djbdns - http://cr.yp.to/djbdns.html" qmail.jp. 86400 IN MX 0 a.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz0.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz1.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz2.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz3.mx.qmail.jp. qmail.jp. 86400 IN MX 0 abcdefghijklmnopqrstuvwxyz4.mx.qmail.jp. qmail.jp. 86400 IN A 127.0.0.128 ;; Query time: 55 msec ;; SERVER: 202.41.218.243#53(202.41.218.243) ;; WHEN: Sat May 28 09:57:49 2011 ;; MSG SIZE rcvd: 523 }}} 512バイト超の返事をさせるためにダミーのMXを加えてあります。 == dnsq での結果 == $ dnsq any qmail.jp moin.qmail.jp {{{ 255 qmail.jp: 523 bytes, 1+12+0+0 records, response, authoritative, noerror query: 255 qmail.jp answer: qmail.jp 86400 SOA a.ns.qmail.jp hostmaster.m.qmail.jp 1306498529 16384 2048 1048576 86400 answer: qmail.jp 86400 NS a.ns.qmail.jp answer: qmail.jp 86400 NS uz5b3p79vgf8v8yttum0fr1cbpg4tr0gdywhvwzdmb6u3hj6b8lk30.a.ns.qmail.jp answer: qmail.jp 86400 16 /Powered\040by\040djbdns\040-\040http://cr.yp.to/djbdns.html answer: qmail.jp 86400 MX 0 a.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz0.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz1.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz2.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz3.mx.qmail.jp answer: qmail.jp 86400 MX 0 abcdefghijklmnopqrstuvwxyz4.mx.qmail.jp answer: qmail.jp 86400 A 127.0.0.128 }}} ;; Query time: 56 msec  dig +TCP のとき   UDP 経由で TCP のときは 64msec でした。 ちょっと遅いか。