dfn.de
The domain dfn.de answers at IP address 37.208.106.105. Mail for dfn.de goes through 3 servers; the highest priority one is b1001.mx.srv.dfn.de. It also publishes 4 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 37.208.106.105 19077s
AAAA AAAA records
- 2a00:d0c0:c:2109::11 19609s
MX MX records
- 10 b1001.mx.srv.dfn.de 13011s
- 10 a1001.mx.srv.dfn.de 13011s
- 10 c1001.mx.srv.dfn.de 13011s
NS NS records
- ns4.dfn.de 21600s
- ns1.dfn.de 21600s
- ns3.dfn.de 21600s
- ns2.dfn.de 21600s
TXT TXT records
- google-site-verification=aNjf9WiXv4G4mjXnYovwIjOS01qfUjBGQbV5xomVJ44 21600s
- google-site-verification=AHsv25T5W2sYiYNmYvU6z8a2G1H_7FM0vJOZf5uOhAE 21600s
- v=spf1 include:_spf.s1004.mx.srv.dfn.de a:deneb.dfn.de include:_spf.dfn-cert.de include:_spft.telekom.com ~all 21600s
- apple-domain-verification=TdQByV6omDQj06SD 21600s
SOA SOA records
- ns1.dfn.de 21600s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.