webundervisning.dk
Last scanned: 2026-08-30 20:33:55  ·  410ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   21ms
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   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.109.89.186 300s — AS24800 BornFiber Service Provider ApS 185.109.88.0/22 🇩🇰 Denmark Nexø
📧 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)
🔐 DNSSEC99ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2019012496
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
21ms
A
37ms
MX
26ms
AAAA
28ms
TXT
83ms
CAA
28ms
HTTPS
31ms
TLSA
87ms
SOA
0ms
MTA-STS
30ms
DNSSEC
99ms
SRV
31ms
Total
410ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 20:33:55 410ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-26 20:40:06 435ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-24 15:50:54 4647ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-19 08:14:40 11192ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-18 08:12:49 3152ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-13 08:44:37 2681ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-10 21:17:58 3942ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-04 04:13:13 2447ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-27 01:21:36 2449ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-24 00:08:01 2165ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-21 18:05:22 721ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-20 10:39:34 13784ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-16 10:36:10 505ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-10 10:33:07 1268ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-09 04:21:51 938ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-04 21:24:14 3595ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 18:29:18 485ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 13:34:35 471ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-25 03:34:45 507ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 20:01:15 5737ms 3 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone