hd-studier.dk
📜 Historical scan 2026-08-09 23:45:41  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
ns1.cbs.dk 130.226.47.250 ns1.cbs.dk AS1835 IDDQD-AS
ns2.cbs.dk 130.226.47.251 ns2.cbs.dk AS1835 IDDQD-AS
🌍 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 Records1 records   174ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (hd-studier.dk)
-all (hard fail) v=spf1 -all
📨 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)
🔐 DNSSEC83ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2017122203
Primary NS (MNAME)ns1.cbs.dk
Responsible (RNAME)DNS@cbs.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
35ms
A
48ms
MX
35ms
AAAA
47ms
TXT
174ms
CAA
43ms
HTTPS
48ms
TLSA
33ms
SOA
0ms
MTA-STS
57ms
DNSSEC
83ms
SRV
61ms
Total
555ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 05:43:16 2576ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-27 04:17:11 558ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-26 12:03:13 2956ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-20 06:24:40 2747ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-18 04:06:50 469ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-11 07:12:41 5947ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-09 23:45:41 555ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-01 19:38:47 1186ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-24 17:38:23 16387ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-22 10:03:06 8416ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-16 07:56:38 2766ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-06 13:08:42 416ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-04 04:22:15 2450ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 00:25:38 4746ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-27 23:40:43 368ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-24 16:50:42 342ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-20 01:31:28 413ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 11:06:54 542ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 11:05:19 511ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 10:59:04 532ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 10:57:59 699ms 2 NS 0 A 0 MX 🔒 Secure View
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