@
Aicerk 阿里使用 223.5.5.5 是 SERVFAIL 。使用 223.6.6.6 是 NXDOMAIN
dnslookup v1.11.1
Server: 223.6.6.6
dnslookup result (elapsed 31.533899ms):
;; opcode: QUERY, status: NXDOMAIN, id: 10291
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;
pi.3.cn. IN A
;; AUTHORITY SECTION:
3.cn. 1 IN SOA
ns1.3.cn.
apollo.jd.com. 2015104107 10800 3600 604800 38400
dnslookup v1.11.1
Server: 223.5.5.5
dnslookup result (elapsed 32.498307ms):
;; opcode: QUERY, status: SERVFAIL, id: 893
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;
pi.3.cn. IN A