lastenshule.dk
Last scanned: 2026-07-22 12:39:05  ·  32696ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   8081ms
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   8055ms
IPTTLPTRASNISP / OrgCIDRCountryCity
51.20.195.86 3596s ec2-51-20-195-86.eu-north-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 51.20.0.0/14 🇸🇪 Sweden Stockholm
📧 MX Records1 records   8077ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s lastenshule.dk 51.20.195.86 ec2-51-20-195-86.eu-north-1.compute.amazonaws.com AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover51.20.195.86
🔶 Autoconfig51.20.195.86
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   8223ms
TXT Record
v=DMARC1; p=none;
v=spf1 include:amazonses.com ~all
✉️ SPF
PolicyRecord (lastenshule.dk)
~all (soft fail) v=spf1 include:amazonses.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)
🔐 DNSSEC8096ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA8095ms
FieldValue
Serial2025092304
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
8081ms
A
8055ms
MX
8077ms
AAAA
8097ms
TXT
8223ms
CAA
8080ms
HTTPS
8071ms
TLSA
8040ms
SOA
8095ms
MTA-STS
8071ms
DNSSEC
8096ms
SRV
8062ms
Total
32696ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-22 12:39:05 32696ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 23:50:07 1609ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-18 00:13:38 955ms 3 NS 1 A 1 MX 🔒 Secure View
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