utfholding.dk
Last scanned: 2026-07-03 13:32:24  ·  6411ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   276ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   337ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.106.126 3599s nt15.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records4 records   288ms
PriorityTTLMail ServerIP addressesPTRASN
10 849s mx01.hornetsecurity.com 94.100.132.8 mx01.hornetsecurity.com AS25394 MK Netzdienste GmbH & Co. KG
20 849s mx02.hornetsecurity.com 94.100.136.8 mx02.hornetsecurity.com AS24679 kyberio GmbH
30 849s mx03.hornetsecurity.com 94.100.134.8 mx03.hornetsecurity.com AS12676 HKN GmbH
40 849s mx04.hornetsecurity.com 94.100.136.7 mx04.hornetsecurity.com AS24679 kyberio GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.sfp-net.com → 212.53.208.152
🔶 Autoconfig94.231.106.126
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   840ms
TXT Record
v=spf1 a mx include:spf.skyfillers.com ~all
✉️ SPF
PolicyRecord (utfholding.dk)
~all (soft fail) v=spf1 a mx include:spf.skyfillers.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC587ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026070202
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
276ms
A
337ms
MX
288ms
AAAA
204ms
TXT
840ms
CAA
300ms
HTTPS
375ms
TLSA
487ms
SOA
0ms
MTA-STS
439ms
DNSSEC
587ms
SRV
446ms
Total
6411ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-03 13:32:24 6411ms 3 NS 1 A 4 MX 🔒 Secure View
2026-06-21 13:16:19 615ms 3 NS 1 A 4 MX 🔒 Secure View
2026-06-21 06:30:21 741ms 3 NS 1 A 4 MX 🔒 Secure View
2026-06-17 23:47:21 12087ms 3 NS 1 A 4 MX 🔒 Secure View
2026-06-17 23:44:41 15292ms 3 NS 1 A 4 MX 🔒 Secure View
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