DNS/FCP/edns_size/ISPについて、ここに記述してください。
1. IIJ
UDP request 2018-11-11 07:35:25.676487 (210.128.97.87 40035): 41 f8d0001000010000000000010161026e730462726175026a7000001c00010000291000000080000000 --- query --- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63696 ;; flags: ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;a.ns.brau.jp. IN AAAA ;; ADDITIONAL SECTION: ;OPT PSEUDOSECTION ;EDNS: version: 0, flags: do; udp: 4096 [<DNS RR: 'brau.jp.' rtype=CNAME rclass=IN ttl=300 rdata='co.jp.'>, <DNS RR: 'co.jp.' rtype=NS rclass=IN ttl=300 rdata='x.ns.qmail.jp.'>, <DNS RR: 'xxx.qmail.jp.' rtype=NS rclass=IN ttl=300 rdata='a.ns.www.qmail.jp.'>, <DNS RR: 'd2.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d1.home.qmail.jp.'>, <DNS RR: 'd1.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d0.home.qmail.jp.'>, <DNS RR: 'd0.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='www.qmail.jp.'>, <DNS RR: 'x.ns.qmail.jp.' rtype=A rclass=IN ttl=300 rdata='192.168.10.7'>] ---- Reply:
UDP request 2018-11-11 07:44:57.857853 (210.128.97.74 47011): 41 62dd001000010000000000010161026e730462726175026a7000001c00010000291000000080000000 --- query --- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25309 ;; flags: ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;a.ns.brau.jp. IN AAAA ;; ADDITIONAL SECTION: ;OPT PSEUDOSECTION ;EDNS: version: 0, flags: do; udp: 4096 [<DNS RR: 'brau.jp.' rtype=CNAME rclass=IN ttl=300 rdata='co.jp.'>, <DNS RR: 'co.jp.' rtype=NS rclass=IN ttl=300 rdata='x.ns.qmail.jp.'>, <DNS RR: 'xxx.qmail.jp.' rtype=NS rclass=IN ttl=300 rdata='a.ns.www.qmail.jp.'>, <DNS RR: 'd2.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d1.home.qmail.jp.'>, <DNS RR: 'd1.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d0.home.qmail.jp.'>, <DNS RR: 'd0.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='www.qmail.jp.'>, <DNS RR: 'x.ns.qmail.jp.' rtype=A rclass=IN ttl=300 rdata='192.168.10.7'>] ---- Reply:
2. so-net
UDP request 2018-11-11 07:38:22.684482 (202.238.95.17 38399): 36 3139001000010000000000010462726175026a7000000100010000290200000080000000 --- query --- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12601 ;; flags: ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;brau.jp. IN A ;; ADDITIONAL SECTION: ;OPT PSEUDOSECTION ;EDNS: version: 0, flags: do; udp: 512 [<DNS RR: 'brau.jp.' rtype=CNAME rclass=IN ttl=300 rdata='co.jp.'>, <DNS RR: 'co.jp.' rtype=NS rclass=IN ttl=300 rdata='x.ns.qmail.jp.'>, <DNS RR: 'xxx.qmail.jp.' rtype=NS rclass=IN ttl=300 rdata='a.ns.www.qmail.jp.'>, <DNS RR: 'd2.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d1.home.qmail.jp.'>, <DNS RR: 'd1.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d0.home.qmail.jp.'>, <DNS RR: 'd0.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='www.qmail.jp.'>, <DNS RR: 'x.ns.qmail.jp.' rtype=A rclass=IN ttl=300 rdata='192.168.10.7'>] ---- Reply:
3. nuro
UDP request 2018-11-11 07:39:57.865971 (118.238.201.37 8397): 36 95d9001000010000000000010462726175026a7000000100010000291000000080000000 --- query --- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38361 ;; flags: ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;brau.jp. IN A ;; ADDITIONAL SECTION: ;OPT PSEUDOSECTION ;EDNS: version: 0, flags: do; udp: 4096 [<DNS RR: 'brau.jp.' rtype=CNAME rclass=IN ttl=300 rdata='co.jp.'>, <DNS RR: 'co.jp.' rtype=NS rclass=IN ttl=300 rdata='x.ns.qmail.jp.'>, <DNS RR: 'xxx.qmail.jp.' rtype=NS rclass=IN ttl=300 rdata='a.ns.www.qmail.jp.'>, <DNS RR: 'd2.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d1.home.qmail.jp.'>, <DNS RR: 'd1.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d0.home.qmail.jp.'>, <DNS RR: 'd0.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='www.qmail.jp.'>, <DNS RR: 'x.ns.qmail.jp.' rtype=A rclass=IN ttl=300 rdata='192.168.10.7'>] ---- Reply:
4. cdn-japan.com
UDP request 2018-11-11 07:41:27.665398 (210.128.97.88 54274): 41 6ad8001000010000000000010161026e730462726175026a7000001c00010000291000000080000000 --- query --- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27352 ;; flags: ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;a.ns.brau.jp. IN AAAA ;; ADDITIONAL SECTION: ;OPT PSEUDOSECTION ;EDNS: version: 0, flags: do; udp: 4096 [<DNS RR: 'brau.jp.' rtype=CNAME rclass=IN ttl=300 rdata='co.jp.'>, <DNS RR: 'co.jp.' rtype=NS rclass=IN ttl=300 rdata='x.ns.qmail.jp.'>, <DNS RR: 'xxx.qmail.jp.' rtype=NS rclass=IN ttl=300 rdata='a.ns.www.qmail.jp.'>, <DNS RR: 'd2.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d1.home.qmail.jp.'>, <DNS RR: 'd1.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='d0.home.qmail.jp.'>, <DNS RR: 'd0.home.qmail.jp.' rtype=CNAME rclass=IN ttl=300 rdata='www.qmail.jp.'>, <DNS RR: 'x.ns.qmail.jp.' rtype=A rclass=IN ttl=300 rdata='192.168.10.7'>] ---- Reply: