City: Nanjing
Region: Jiangsu
Country: China
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 36.149.87.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15287
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;36.149.87.135. IN A
;; AUTHORITY SECTION:
. 414 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2020030101 1800 900 604800 86400
;; Query time: 30 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 02 03:22:35 CST 2020
;; MSG SIZE rcvd: 117Host 135.87.149.36.in-addr.arpa not found: 2(SERVFAIL)
;; Got SERVFAIL reply from 100.100.2.138, trying next server
;; Got SERVFAIL reply from 100.100.2.138, trying next server
Server: 100.100.2.136
Address: 100.100.2.136#53
** server can't find 135.87.149.36.in-addr.arpa: SERVFAIL