City: Shenzhen
Region: Guangdong
Country: China
Internet Service Provider: China Unicom
Hostname: unknown
Organization: unknown
Usage Type: unknown
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 175.42.233.77
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3495
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;175.42.233.77. IN A
;; AUTHORITY SECTION:
. 356 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022012600 1800 900 604800 86400
;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 26 16:56:10 CST 2022
;; MSG SIZE rcvd: 106Host 77.233.42.175.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 77.233.42.175.in-addr.arpa: NXDOMAIN