cbs-open.dk
Last scanned: 2026-08-27 07:36:06  ·  531ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   172ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (cbs-open.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)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2017113107
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
49ms
A
46ms
MX
39ms
AAAA
55ms
TXT
172ms
CAA
33ms
HTTPS
51ms
TLSA
64ms
SOA
0ms
MTA-STS
65ms
DNSSEC
82ms
SRV
64ms
Total
531ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:36:06 531ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-27 06:48:57 633ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-26 06:28:34 453ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-22 13:35:11 2852ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-18 10:46:05 567ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-13 13:50:42 471ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-09 01:26:27 563ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-05 21:18:59 454ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-27 01:08:01 8394ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-22 22:58:06 546ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-17 18:11:07 2686ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-13 01:28:11 2361ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-09 05:37:36 470ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-04 15:21:36 2509ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 12:07:08 455ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-29 05:57:23 509ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-21 06:59:55 536ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-16 19:50:51 346ms 2 NS 0 A 0 MX 🔒 Secure View
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