sys.kth.se DNS records

A IPv4 address
10m
sys.kth.se has no A records.
AAAA IPv6 address
10m
sys.kth.se has no AAAA records.
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
2h
SPF
Sender policy
v=spf1 redirect=_spf.sys.kth.se
MX Mail server
1h
mailfilter-ng-1.sunet.se 10 Primary
mailfilter-ng-3.sunet.se 10 Primary
mailfilter-ng-4.sunet.se 10 Primary
mailfilter-ng-2.sunet.se 20
NS Authoritative DNS server
30m
a.ns.kth.se
b.ns.kth.se
e.ns.kth.se
SOA Start of authority
30m
Zone apex
Start of authority
Email
[email protected]
Serial
2026021901
Refresh
10m
Retry
10m
Expire
7d
Negative cache TTL
10m

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