cems.dk
Last scanned: 2026-08-28 02:55:56  ·  432ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   34ms
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   27ms
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   82ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (cems.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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ 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
34ms
A
27ms
MX
30ms
AAAA
26ms
TXT
82ms
CAA
28ms
HTTPS
32ms
TLSA
59ms
SOA
0ms
MTA-STS
37ms
DNSSEC
97ms
SRV
37ms
Total
432ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 02:55:56 432ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-25 07:43:53 4501ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-19 07:42:49 1963ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-16 11:03:02 2926ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-10 13:44:03 8641ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-08 04:54:45 559ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-02 16:53:10 640ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-30 09:43:52 11940ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-23 21:25:07 618ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-21 04:53:10 484ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-14 08:13:10 2877ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-11 02:14:07 2394ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-06 13:27:58 471ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-01 22:37:45 4337ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-26 16:05:55 2590ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-26 12:25:45 363ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-23 00:17:52 2446ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 01:09:17 361ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-19 15:33:34 473ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-19 01:17:37 2372ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 22:21:56 47043ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 20:10:38 1188ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 20:01:15 637ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 20:00:31 339ms 2 NS 1 A 0 MX 🔒 Secure View
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