clcta.dk
Last scanned: 2026-08-27 20:01:40  ·  2837ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers6 records   29ms
NameserverIP addressesPTRASN / ISP
df-ns01.skat.dk 147.29.150.31 df-ns01.skat.dk AS3292 TDC Holding A/S
df-ns02.skat.dk 147.29.151.254 df-ns02.skat.dk AS3292 TDC Holding A/S
df-ns03.skat.dk 147.29.150.31 df-ns01.skat.dk AS3292 TDC Holding A/S
df-ns04.skat.dk 147.29.151.254 df-ns02.skat.dk AS3292 TDC Holding A/S
ns1-auth.csc.dk 147.29.236.25
2a01:5440:2:0:147:29:236:25		 ns1-auth.csc.dk
—		 AS29156 DXC Technology Danmark A/S
AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk 147.29.238.25
2a01:5440:2:2000:147:29:238:25		 ns2-auth.csc.dk
—		 AS29156 DXC Technology Danmark A/S
AS29156 DXC Technology Danmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
0 1800s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   98ms
TXT Record
_globalsign-domain-verification=idK_0eD8yTPUAlFSGMVi6uWibDuXJTte8bdHBcOBm3
SKAT
v=spf1 -all
✉️ SPF
PolicyRecord (clcta.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.clcta.dk)
p=reject v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com
📬 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)
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2025091840
Primary NS (MNAME)df-ns01.skat.dk
Responsible (RNAME)hostmaster@csc.dk
Refresh14400s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
24ms
MX
30ms
AAAA
25ms
TXT
98ms
CAA
26ms
HTTPS
24ms
TLSA
15ms
SOA
0ms
MTA-STS
44ms
DNSSEC
102ms
SRV
52ms
Total
2837ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:01:40 2837ms 6 NS 0 A 1 MX 🔒 Secure View
2026-08-16 07:05:58 4895ms 6 NS 0 A 1 MX 🔒 Secure View
2026-08-11 23:46:09 4274ms 6 NS 0 A 1 MX 🔒 Secure View
2026-08-06 21:56:59 2681ms 6 NS 0 A 1 MX 🔒 Secure View
2026-07-25 02:21:43 9660ms 6 NS 0 A 1 MX 🔒 Secure View
2026-07-20 23:14:15 2106ms 6 NS 0 A 1 MX 🔒 Secure View
2026-07-14 00:32:13 2123ms 6 NS 0 A 1 MX 🔒 Secure View
2026-07-01 21:10:26 968ms 6 NS 0 A 1 MX 🔒 Secure View
2026-06-29 22:19:07 702ms 6 NS 0 A 1 MX 🔒 Secure View
2026-06-29 19:07:29 613ms 6 NS 0 A 1 MX 🔒 Secure View
2026-06-21 11:44:40 3770ms 6 NS 0 A 1 MX 🔒 Secure View
2026-06-16 21:11:22 406ms 6 NS 0 A 0 MX 🔒 Secure View
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