xfm.dk
Last scanned: 2026-08-27 15:01:59  ·  793ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.92.226 43200s — AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark —
📧 MX Records1 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s xmedia.dk 130.226.71.115 115.0-25.71.226.130.in-addr.arpa AS1835 IDDQD-AS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   223ms
TXT Record
Located at The Technical University of Denmark, in Lyngby Denmark
v=spf1 a mx include:mail.xfm.dk include:xfm.dk include:x.dtu.dk ~all
XFM
✉️ SPF
PolicyRecord (xfm.dk)
~all (soft fail) v=spf1 a mx include:mail.xfm.dk include:xfm.dk include:x.dtu.dk ~all
📨 DMARC
PolicyRecord (_dmarc.xfm.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:admin@xfm.dk
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
74ms
MX
73ms
AAAA
53ms
TXT
223ms
CAA
70ms
HTTPS
47ms
TLSA
107ms
SOA
0ms
MTA-STS
90ms
DNSSEC
113ms
SRV
96ms
Total
793ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:01:59 793ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 02:55:36 583ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 17:47:55 8619ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 02:13:23 2125ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 03:14:34 685ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 11:14:39 848ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 05:21:55 898ms 2 NS 1 A 1 MX 🔒 Secure View
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