holdfast.dk
Last scanned: 2026-08-30 04:34:13  ·  513ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns-auth03.kmd.dk 131.165.64.5 ns-auth03.kmd.dk AS6834 KMD A/S
ns-auth04.kmd.dk 131.165.4.5 ns-auth04.kmd.dk AS6834 KMD A/S
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
131.165.111.156 3600s — AS6834 KMD A/S 131.165.0.0/16 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  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 Records1 records   170ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (holdfast.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.holdfast.dk)
p=reject v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;pct=100;rua=mailto:dmarc@pensam.dk;ruf=mailto:dmarc@pensam.dk
📬 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)
🔐 DNSSEC132ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2282
Primary NS (MNAME)ns-auth03.kmd.dk
Responsible (RNAME)dnsadmin@kmd.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)43200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
34ms
MX
35ms
AAAA
38ms
TXT
170ms
CAA
38ms
HTTPS
32ms
TLSA
43ms
SOA
0ms
MTA-STS
47ms
DNSSEC
132ms
SRV
84ms
Total
513ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 04:34:13 513ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-28 19:54:53 461ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 19:02:53 482ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 17:58:16 995ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 07:39:06 2221ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-24 06:43:23 1620ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-23 04:11:41 664ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-22 04:03:11 620ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-21 04:02:04 6734ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 01:03:03 1098ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-19 00:16:31 3251ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-17 00:01:58 1775ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-15 10:00:52 598ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-14 06:59:50 611ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-13 02:11:05 2472ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-11 23:01:25 1272ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-10 22:49:18 756ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-09 21:09:29 12506ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 23:53:47 917ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-30 08:31:33 4734ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-27 18:54:21 738ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 18:28:44 604ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-25 18:05:16 6461ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 17:48:49 16438ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 17:10:20 8445ms 2 NS 1 A 1 MX 🔓 Insecure View
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