århusstatsgymnasium.dk xn--rhusstatsgymnasium-3tb.dk
Last scanned: 2026-08-30 19:26:25  ·  318ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   21ms
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   22ms
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 (århusstatsgymnasium.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.århusstatsgymnasium.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)
🔐 DNSSEC99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial728
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
21ms
A
20ms
MX
22ms
AAAA
17ms
TXT
89ms
CAA
20ms
HTTPS
20ms
TLSA
18ms
SOA
0ms
MTA-STS
37ms
DNSSEC
99ms
SRV
29ms
Total
318ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 19:26:25 318ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-26 12:04:16 535ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-24 05:12:23 1604ms 2 NS 0 A 1 MX ❓ Unknown View
2026-08-23 02:55:32 2367ms 2 NS 0 A 1 MX ❓ Unknown View
2026-08-18 22:29:47 1444ms 2 NS 0 A 1 MX ❓ Unknown View
2026-08-15 04:48:10 534ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-12 07:10:18 584ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-07 18:30:07 485ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-04 10:26:18 475ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-01 00:01:41 615ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-25 17:57:46 448ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-19 14:23:54 2648ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-18 10:08:55 510ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-14 00:56:45 452ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-09 12:10:14 459ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-08 09:51:41 747ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-03 15:14:12 397ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-01 06:56:32 371ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-28 08:14:18 479ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-24 08:02:21 1686ms 2 NS 0 A 1 MX ❓ Unknown View
2026-06-22 16:02:45 549ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:12:43 1544ms 2 NS 0 A 0 MX 🔒 Secure View
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