A simple DNS lookup tool
Domain
postmaster.cisco.com
Type
A
Server
Quad9
Duration
3 ms
;; Answer received from 9.9.9.9 (78 bytes)
;;
;; Security Level : UNCHECKED
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6064
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION (1 record)
;; postmaster.cisco.com. IN A
;; AUTHORITY SECTION (1 record)
cisco.com. 1800 IN SOA ns1.cisco.com. postmaster.cisco.com. 1027915 7200 1800 864000 1800
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