sdub.dk
Last scanned: 2026-08-28 01:33:21  ·  6595ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   52ms
NameserverIP addressesPTRASN / ISP
ns1.sdu.dk 130.225.155.136 ns1.sdu.dk AS1835 IDDQD-AS
ns2.sdu.dk 130.225.155.148 ns2.sdu.dk AS1835 IDDQD-AS
ns3.sdu.dk 193.163.227.4 ns3.sdu.dk AS44328 Region Syddanmark
🌍 A Records
🌍
No A records found
📧 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)
🔐 DNSSEC76ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2011042873
Primary NS (MNAME)ns1.sdu.dk
Responsible (RNAME)dns@it-service.sdu.dk
Refresh14400s
Retry1440s
Expire3600000s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
52ms
MX
54ms
AAAA
49ms
TXT
236ms
CAA
57ms
HTTPS
4035ms
TLSA
33ms
SOA
0ms
MTA-STS
125ms
DNSSEC
76ms
SRV
456ms
Total
6595ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:33:21 6595ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 11:43:40 16355ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-24 15:16:28 16499ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-18 07:39:33 6603ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-17 06:41:54 7837ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-11 07:32:45 4854ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-09 18:39:51 3485ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-05 22:59:24 4477ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 13:55:54 2386ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-25 13:10:30 2448ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-24 13:03:01 4375ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-20 05:04:08 2379ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 01:04:38 4492ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-15 00:58:26 4658ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-08 16:47:36 2517ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-06 22:58:43 4634ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-30 20:54:51 5537ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-27 02:12:50 4348ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 19:46:48 4368ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 02:14:16 6629ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-24 05:04:13 983ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 02:36:06 1402ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-18 01:13:20 7691ms 3 NS 0 A 0 MX 🔒 Secure View
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