mrf.dk
📜 Historical scan 2026-08-14 00:52:50  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.ku.dk 192.38.110.174
2001:878:1070:10::174		 ns1.ku.dk
ns1.ku.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
ns2.ku.dk 192.38.110.190
2001:878:1070:11::190		 ns2.ku.dk
ns2.ku.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.226.237.49 300s — AS1835 IDDQD-AS 130.226.0.0/16 🇩🇰 Denmark Copenhagen
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1609ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (mrf.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.mrf.dk)
p=reject v=DMARC1; p=reject; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; sp=none; fo=1; ri=3600
📬 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)
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns1.ku.dk
Responsible (RNAME)hostmaster@adm.ku.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
45ms
MX
51ms
AAAA
53ms
TXT
1609ms
CAA
61ms
HTTPS
72ms
TLSA
100ms
SOA
0ms
MTA-STS
835ms
DNSSEC
92ms
SRV
1354ms
Total
2068ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:53:56 1348ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-20 23:28:16 4491ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-14 00:52:50 2068ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-06 21:49:09 2631ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-31 00:56:37 2124ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-23 21:29:48 8527ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-16 19:18:49 1688ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-10 21:58:50 2051ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 11:06:19 1033ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 13:51:11 967ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 07:54:14 2725ms 2 NS 1 A 0 MX 🔓 Insecure View
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