engtools.sys.cogentco.com DNS records

A IPv4 address
12h
66.28.3.247
Cogent Communications
AS174
United States of America
Washington, District of Columbia
AAAA IPv6 address
12h
engtools.sys.cogentco.com has no AAAA records.
CNAME Canonical name
3h
engtools.sys.cogentco.com has no CNAME records.
TXT Human readable text
12h
engtools.sys.cogentco.com has no TXT records.
MX Mail server
12h
engtools.sys.cogentco.com has no MX records.
NS Authoritative DNS server
12h
engtools.sys.cogentco.com has no NS records.
NS records for this zone are defined at sys.cogentco.com.
trace engtools.sys.cogentco.com NS records for sys.cogentco.com
SOA Start of authority
12h
Zone apex
Start of authority
Email
[email protected]
Serial
2026022500
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
12h

Other record types

A AAAA AFSDB APL AXFR CAA CDNSKEY CDS CERT CNAME CSYNC DHCID DLV DNAME DNSKEY DS EUI48 EUI64 HINFO HIP HTTPS IPSECKEY IXFR KEY KX LOC MX NAPTR NS NSEC3 NSEC3PARAM NSEC NXT OPENPGPKEY OPT PTR RP RRSIG SIG SMIMEA SOA SPF SSHFP SVCB SRV TA TKEY TLSA TSIG TXT URI ZONEMD