by
Anonymous Coward
on 2019年02月05日 21時31分
(#3560334)
チェックしたら
EDNS Compliance Tester Checking: 'srad.jp' as at 2019-02-05T12:24:46Z srad.jp. @205.251.199.186 (ns-1978.awsdns-55.co.uk.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (9c7c478601dac961dc78f8df2840cf7a -) srad.jp. @2600:9000:5307:ba00::1 (ns-1978.awsdns-55.co.uk.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (66d0b4acf6a9b1f625eb74198853c267 -) srad.jp. @205.251.197.201 (ns-1481.awsdns-57.org.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (3d4b57b80e17d634f946520e0fa33cfc -) srad.jp. @2600:9000:5305:c900::1 (ns-1481.awsdns-57.org.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (61502317ac45127c3996f3e6b5904b6a -) srad.jp. @205.251.195.81 (ns-849.awsdns-42.net.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (8c45dc40b487cc447a2257ec38384025 -) srad.jp. @2600:9000:5303:5100::1 (ns-849.awsdns-42.net.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (72851cccd143a90259f0a257b5f3d4dc -) srad.jp. @205.251.192.201 (ns-201.awsdns-25.com.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (6e0a624c9e1fdd897ef163b8131386f2 -) srad.jp. @2600:9000:5300:c900::1 (ns-201.awsdns-25.com.): dns=ok edns=ok edns1=noerror,noopt,soa edns@512=ok ednsopt=ok edns1opt=noerror,noopt,soa do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,subnet (e02ba4a16976d88ccd7b994b4b0fcf13 -) The Following Tests Failed Warning: test failures may indicate that some DNS clients cannot resolve the zone or will get a unintended answer or resolution will be slower than necessary.
Warning: failure to address issues identified here may make future DNS extensions that you want to use ineffective. In particular echoing back unknown EDNS options and unknown EDNS flags will break future signaling between DNS client and DNS server. We already have examples of this where you cannot depend on the AD flag bit meaning anything in replies because too many DNS servers just echo it back. Similarly the EDNS Client Subnet (ECS) option cannot just be sent to everyone in part because of servers just echoing it back.
ここは大丈夫? (スコア:0)
チェックしたら
https://ednscomp.isc.org/ednsc... [isc.org]
と出たが
Re: (スコア:0)
EDNS ver. 1のテストですね。将来これが使われた時に問題になる可能性があります。
ただ、すぐに何か問題があるわけではありません。