marselisborggymnasium.dk
Last scanned: 2026-08-27 07:20:47  ·  700ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
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   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.128.174.126 3600s vdom94.net.dk2.zitcom.dk AS48854 team.blue Denmark A/S 195.128.174.0/23 🇩🇰 Denmark —
📧 MX Records1 records   24ms
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   88ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (marselisborggymnasium.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.marselisborggymnasium.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
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial683
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
29ms
A
29ms
MX
24ms
AAAA
26ms
TXT
88ms
CAA
24ms
HTTPS
26ms
TLSA
356ms
SOA
0ms
MTA-STS
36ms
DNSSEC
98ms
SRV
34ms
Total
700ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:20:47 700ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 19:39:53 1579ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 13:35:13 503ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 12:03:34 2522ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 21:34:04 2169ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 00:23:29 2370ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-08 07:15:38 718ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-05 20:50:00 716ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 10:33:42 747ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 12:47:37 748ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 21:59:47 1005ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 18:29:18 702ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 22:10:32 645ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 04:09:54 985ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 19:54:36 448ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 19:24:15 736ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 13:42:34 1088ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 06:40:31 751ms 2 NS 1 A 0 MX 🔒 Secure View
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