open-cbs.dk
Last scanned: 2026-08-26 16:34:36  ·  453ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
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   173ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (open-cbs.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)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2017122244
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
47ms
A
53ms
MX
50ms
AAAA
66ms
TXT
173ms
CAA
50ms
HTTPS
46ms
TLSA
36ms
SOA
0ms
MTA-STS
64ms
DNSSEC
86ms
SRV
67ms
Total
453ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 16:34:36 453ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-25 14:13:45 1016ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-16 21:01:11 601ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-07 20:39:08 502ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-03 18:24:31 690ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-20 22:51:04 689ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-11 15:04:55 2352ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 13:37:18 404ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-24 08:02:26 680ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-20 02:41:52 1621ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-18 06:53:30 453ms 2 NS 0 A 0 MX 🔒 Secure View
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