ptb.de DNS records

A IPv4 address
4h
192.53.103.121
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680
Germany
Braunschweig, Lower Saxony
AAAA IPv6 address
4h
ptb.de has no AAAA records.
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
4h
SPF
Sender policy
v=spf1 ip4:192.53.103.120/32 ip4:194.94.94.97/32 ip6:2001:638:610:bd01::120/128 ip6:2001:638:610:cdce::61/128 include:spf.smtp.net ~all
Apple
Domain verification
apple-domain-verification=XrEPkGN8FLiu5cwG
Microsoft
Domain verification
MS=ms585763033600
MX Mail server
4h
mx1.bs.ptb.de 10 Primary
mx1.berlin.ptb.de 20
NS Authoritative DNS server
4h
dns-1.dfn.de
dns-2.dfn.de
dns-3.dfn.de
ns1.ptb.de
SOA Start of authority
4h
Zone apex
Start of authority
Email
[email protected]
Serial
2026031111
Refresh
20m
Retry
1h
Expire
7d
Negative cache TTL
1d

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