djurslandsgymnasium.dk
Last scanned: 2026-08-31 12:44:21  ·  416ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   25ms
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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.54.32.75 3600s fpkmatnov2005.supportcenter.dk
inventory.supportcenter.dk
mit2.supportcenter.dk
viacfutv.dk
www.mit.supportcenter.dk
www.supportcenter.dk
www.viacfutv.dk		 AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark —
📧 MX Records1 records   20ms
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   77ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (djurslandsgymnasium.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.djurslandsgymnasium.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
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial826
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
25ms
A
28ms
MX
20ms
AAAA
24ms
TXT
77ms
CAA
29ms
HTTPS
32ms
TLSA
34ms
SOA
0ms
MTA-STS
37ms
DNSSEC
101ms
SRV
30ms
Total
416ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 12:44:21 416ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 19:48:50 371ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 18:57:49 448ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 11:01:08 1370ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 09:53:20 18933ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 04:12:36 483ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 09:43:10 1763ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 16:19:55 535ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 04:19:09 4725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 23:13:41 1437ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 06:33:58 643ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 02:23:57 521ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 01:57:32 12089ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 19:55:00 725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 16:50:33 740ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 14:06:03 717ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 16:09:56 718ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 10:48:52 781ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 00:49:21 526ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 02:39:16 1493ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 15:09:55 5436ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 15:48:31 445ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 19:10:52 6839ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 18:21:23 2696ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 18:14:20 756ms 2 NS 1 A 1 MX 🔒 Secure View
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