matematikkensverden.dk
Last scanned: 2026-08-31 05:29:37  ·  499ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   22ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.168.193 3600s — AS51073 Aarhus Business College 195.254.168.0/23 🇩🇰 Denmark Højbjerg
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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
Serial2016011003
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
22ms
A
34ms
MX
31ms
AAAA
24ms
TXT
91ms
CAA
34ms
HTTPS
22ms
TLSA
147ms
SOA
0ms
MTA-STS
45ms
DNSSEC
98ms
SRV
37ms
Total
499ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 05:29:37 499ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-26 12:55:51 408ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-25 04:59:09 4266ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-19 01:52:33 5033ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-13 15:48:58 5843ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-10 23:04:41 8491ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-09 15:43:45 8606ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-07 04:57:28 3594ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-27 05:06:06 8517ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-24 03:36:27 2120ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-21 19:23:58 3684ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-16 23:14:44 11453ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-10 05:26:46 8526ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-07 13:19:43 468ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-04 16:00:11 5333ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-29 16:31:56 385ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 05:08:25 1081ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 17:50:58 1030ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 08:55:48 558ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-18 04:59:40 774ms 3 NS 1 A 0 MX 🔒 Secure View
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