århuslærer.dk xn--rhuslrer-8zap.dk
Last scanned: 2026-09-04 11:05:36  ·  376ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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 Records1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.54.32.247 3600s apps.akat.dk
campus-horsens.dk
driver.via.dk		 AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark —
📧 MX Records1 records   26ms
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   95ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (århuslærer.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.århuslærer.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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial722
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
37ms
A
32ms
MX
26ms
AAAA
21ms
TXT
95ms
CAA
30ms
HTTPS
26ms
TLSA
30ms
SOA
0ms
MTA-STS
49ms
DNSSEC
103ms
SRV
43ms
Total
376ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 11:05:36 376ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-31 15:06:52 395ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-30 05:40:03 344ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 18:52:07 746ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 11:32:19 2399ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 23:55:34 536ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 21:21:07 663ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 15:52:53 753ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-03 07:40:32 8510ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 16:37:50 441ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 10:25:47 425ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 12:12:02 852ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 07:25:19 777ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 14:19:01 903ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 18:08:45 2789ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 13:13:35 676ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 12:30:06 4784ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 14:09:59 6185ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-23 19:13:01 1158ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 09:00:15 5505ms 2 NS 1 A 1 MX 🔒 Secure View
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