cebr.dk
Last scanned: 2026-08-30 07:30:40  ·  751ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   106ms
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 Records1 records   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.226.47.28 86400s www.cbs.dk AS1835 IDDQD-AS 130.226.0.0/16 🇩🇰 Denmark Frederiksberg
📧 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   259ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (cebr.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)
🔐 DNSSEC215ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2017113108
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
106ms
A
105ms
MX
106ms
AAAA
128ms
TXT
259ms
CAA
68ms
HTTPS
102ms
TLSA
63ms
SOA
0ms
MTA-STS
128ms
DNSSEC
215ms
SRV
134ms
Total
751ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 07:30:40 751ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 22:13:36 389ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-21 20:25:07 931ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-19 18:31:52 1509ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-13 13:01:22 514ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-09 22:37:16 504ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-08 04:41:50 18597ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-26 05:05:03 838ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-23 03:04:39 8432ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-17 10:22:50 634ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-14 23:54:34 469ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-07 17:01:46 2717ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-05 00:15:56 2679ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-30 00:51:23 360ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 05:27:31 430ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 19:55:38 379ms 2 NS 1 A 0 MX 🔒 Secure View
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