frost-larsson.dk
Last scanned: 2026-08-28 09:43:21  ·  791ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   75ms
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 Records
🌍
No A records found
📧 MX Records1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mailrelay.nxdomain.dk 212.178.179.169 mailrelay.nxdomain.dk AS44869 FIBIA P/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverorion.nxdomain.dk → 212.178.179.163
🔶 Autoconfigorion.nxdomain.dk → 212.178.179.163
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records2 records   193ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 1 443 orion.nxdomain.dk
_imaps._tcp 0 1 993 orion.nxdomain.dk
📝 TXT Records1 records   211ms
TXT Record
v=spf1 ip4:212.178.179.160/28 -all
✉️ SPF
PolicyRecord (frost-larsson.dk)
-all (hard fail) v=spf1 ip4:212.178.179.160/28 -all
📨 DMARC
PolicyRecord (_dmarc.frost-larsson.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dkim-postmaster@allcom.dk
📬 MTA-STS232ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID2023062101
max_age604800s
Policy MXmailrelay.nxdomain.dk
📈 TLSRPT
StatusReport address (rua)
✓ Enabled mailto:smtptlsreport@nxdomain.dk
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE2 records   52ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 27D4636990473032011C569D5D0A0038…
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 9A7188551AD40031CA7B6F426D5CB93C…
🔐 DNSSEC112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026032500
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
75ms
A
86ms
MX
69ms
AAAA
76ms
TXT
211ms
CAA
80ms
HTTPS
47ms
TLSA
52ms
SOA
0ms
MTA-STS
232ms
DNSSEC
112ms
SRV
193ms
Total
791ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:43:21 791ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-25 22:07:39 627ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-27 16:48:03 890ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-17 10:25:36 651ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-17 10:25:31 1049ms 3 NS 0 A 1 MX 🔒 Secure View
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