laereruddannelse.dk
Last scanned: 2026-09-03 22:08:06  ·  359ms 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   27ms
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   89ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (laereruddannelse.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.laereruddannelse.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)
🔐 DNSSEC101ms
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
26ms
MX
27ms
AAAA
25ms
TXT
89ms
CAA
23ms
HTTPS
30ms
TLSA
15ms
SOA
0ms
MTA-STS
32ms
DNSSEC
101ms
SRV
32ms
Total
359ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 22:08:06 359ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-31 15:25:55 318ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-28 16:47:14 353ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-23 20:13:01 1421ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-18 18:41:38 1216ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-14 19:55:25 447ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-13 06:56:09 955ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-06 09:39:09 754ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-31 01:44:10 65535ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-29 03:09:27 435ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-24 19:09:26 421ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-21 09:13:05 757ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-19 01:40:12 8518ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-13 12:26:09 8520ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-08 13:11:07 1140ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-03 17:34:40 2777ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-01 04:16:25 558ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-28 01:41:14 428ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-21 22:26:31 673ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-18 01:05:12 509ms 2 NS 0 A 0 MX 🔒 Secure View
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