meritlærer.dk xn--meritlrer-l3a.dk
Last scanned: 2026-08-27 20:45:24  ·  370ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   24ms
NameserverIP addressesPTRASN / ISP
ns3.supportcenter.dk 87.54.32.150 — AS3292 TDC Holding A/S
ns4.supportcenter.dk 2.106.7.200 ns4.supportcenter.dk AS3292 TDC Holding A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   23ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   75ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (meritlærer.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.meritlærer.dk)
p=reject v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial693
Primary NS (MNAME)ns3.supportcenter.dk
Responsible (RNAME)hostmaster@supportcenter.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
24ms
A
31ms
MX
23ms
AAAA
28ms
TXT
75ms
CAA
23ms
HTTPS
23ms
TLSA
14ms
SOA
0ms
MTA-STS
39ms
DNSSEC
98ms
SRV
33ms
Total
370ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:45:24 370ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-26 19:48:54 398ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-22 12:48:31 857ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-17 15:23:04 811ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-16 11:34:13 1087ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-09 22:36:40 498ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-08 20:19:06 436ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-31 03:16:37 33543ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-23 16:03:51 419ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-22 14:04:35 519ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-17 23:44:05 607ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-12 11:22:30 548ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-06 21:29:15 8581ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-05 18:55:23 8577ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-30 16:51:49 391ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-25 16:45:30 456ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-23 19:41:33 3724ms 2 NS 0 A 1 MX ⚠️ Bogus View
2026-06-23 13:10:17 1164ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 21:39:32 1695ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-20 19:27:54 481ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 12:06:47 248ms 2 NS 0 A 0 MX 🔒 Secure View
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