Resolution of `726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com. IN MX` "fails" with NXDOMAIN
CDNs are broken. This is our most desperate hour. Help me, Obi-Wan Kenobi. You're my only hope.
[ 0][plan] plan '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX'
[58623][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[58623][resl] => using root hints
[25279][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[25279][plan] plan '.' type 'DNSKEY'
[60831][iter] '.' type 'DNSKEY' id was assigned, parent id 25279
[60831][resl] => querying: '2001:dc3::35' score: 10 zone cut: '.' m12n: '.' type: 'DNSKEY' proto: 'udp'
[60831][iter] <= rcode: NOERROR
[60831][vldr] <= parent: updating DNSKEY
[60831][vldr] <= answer valid, OK
[60831][resl] <= server: '2001:dc3::35' rtt: 19 ms
[33422][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[33422][resl] => querying: '2001:500:9f::42' score: 10 zone cut: '.' m12n: 'coM.' type: 'NS' proto: 'udp'
[33422][iter] <= using glue for 'a.gtld-servers.net.': '192.5.6.30'
[33422][iter] <= using glue for 'a.gtld-servers.net.': '2001:503:a83e::2:30'
[33422][iter] <= using glue for 'b.gtld-servers.net.': '192.33.14.30'
[33422][iter] <= using glue for 'b.gtld-servers.net.': '2001:503:231d::2:30'
[33422][iter] <= using glue for 'c.gtld-servers.net.': '192.26.92.30'
[33422][iter] <= using glue for 'd.gtld-servers.net.': '192.31.80.30'
[33422][iter] <= using glue for 'e.gtld-servers.net.': '192.12.94.30'
[33422][iter] <= using glue for 'f.gtld-servers.net.': '192.35.51.30'
[33422][iter] <= using glue for 'g.gtld-servers.net.': '192.42.93.30'
[33422][iter] <= using glue for 'h.gtld-servers.net.': '192.54.112.30'
[33422][iter] <= using glue for 'i.gtld-servers.net.': '192.43.172.30'
[33422][iter] <= using glue for 'j.gtld-servers.net.': '192.48.79.30'
[33422][iter] <= using glue for 'k.gtld-servers.net.': '192.52.178.30'
[33422][iter] <= using glue for 'l.gtld-servers.net.': '192.41.162.30'
[33422][iter] <= using glue for 'm.gtld-servers.net.': '192.55.83.30'
[33422][iter] <= referral response, follow
[33422][vldr] <= DS: OK
[33422][vldr] <= answer valid, OK
[33422][resl] <= server: '2001:500:9f::42' rtt: 2 ms
[61984][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[61984][plan] plan 'com.' type 'DNSKEY'
[34645][iter] 'com.' type 'DNSKEY' id was assigned, parent id 61984
[34645][resl] => querying: '192.55.83.30' score: 10 zone cut: 'com.' m12n: 'cOM.' type: 'DNSKEY' proto: 'udp'
[34645][iter] <= rcode: NOERROR
[34645][vldr] <= parent: updating DNSKEY
[34645][vldr] <= answer valid, OK
[34645][resl] <= server: '192.55.83.30' rtt: 34 ms
[38918][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[38918][resl] => querying: '192.41.162.30' score: 10 zone cut: 'com.' m12n: 'WEbCfs00.cOm.' type: 'NS' proto: 'udp'
[38918][iter] <= using glue for 'ns01.webcfs00.com.': '204.212.170.100'
[38918][iter] <= using glue for 'ns02.webcfs00.com.': '204.212.170.105'
[38918][iter] <= referral response, follow
[38918][vldr] <= DS doesn't exist, going insecure
[38918][vldr] <= answer valid, OK
[38918][resl] <= server: '192.41.162.30' rtt: 116 ms
[65055][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[65055][resl] => querying: '204.212.170.105' score: 10 zone cut: 'webcfs00.com.' m12n: '80Hc70747bE.weBCFS00.cOm.' type: 'NS' proto: 'udp'
[65055][iter] <= rcode: NOERROR
[65055][iter] <= found cut, retrying with non-minimized name
[65055][resl] <= server: '204.212.170.105' rtt: 171 ms
[ 7523][iter] '726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com.' type 'MX' id was assigned, parent id 0
[ 7523][resl] => querying: '204.212.170.100' score: 10 zone cut: 'webcfs00.com.' m12n: '726170696473736c2d63726c.67656f7472757374.636F6d.80Hc70747BE.weBCFS00.com.' type: 'MX' proto: 'udp'
[ 7523][iter] <= rcode: NXDOMAIN
[ 7523][ pc ] => answer cached for TTL=5
[ 7523][resl] <= server: '204.212.170.100' rtt: 179 ms
[ 0][resl] finished: 4, queries: 3, mempool: 164000 B
Compare:
$ dig +multi +time=60 +retry=1 @204.212.170.100 726170696473736c2d63726C.67656f7472757374.636f6d.80hc70747be.webcfs00.com. IN MX
;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 36386
;; Flags: qr aa; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 1
;; QUESTION SECTION:
;; 726170696473736c2d63726C.67656f7472757374.636f6d.80hc70747be.webcfs00.com. IN MX
;; ANSWER SECTION:
726170696473736c2d63726C.67656f7472757374.636f6d.80hc70747be.webcfs00.com. 84600 IN MX 4144 f.1b0f0000.a.f.726170696473736c2d63726C.67656f7472757374.636f6d.80hc70747be.webcfs00.com.
;; ADDITIONAL SECTION:
f.1b0f0000.a.f.726170696473736c2d63726C.67656f7472757374.636f6d.80hc70747be.webcfs00.com. 84600 IN A 204.212.170.105
;; Received 138 B
;; Time 2017-01-24 13:53:52 CET
;; From 204.212.170.100@53(UDP) in 170.6 ms
vs
$ dig +dnssec +multi +time=60 +retry=1 @204.212.170.100 726170696473736c2d63726c.67656f7472757374.636f6d.80hc70747be.webcfs00.com. IN MX
;; ERROR: malformed reply packet from 204.212.170.100@53(UDP)