küster.dk xn--kster-kva.dk
Last scanned: 2026-08-08 22:43:48  ·  759ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.10.202.196 86400s — AS39642 Sinal A/S 212.10.0.0/16 🇩🇰 Denmark Haarby
📧 MX Records1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover212.10.202.196
🔶 Autoconfig212.10.202.196
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
35ms
A
45ms
MX
34ms
AAAA
47ms
TXT
201ms
CAA
46ms
HTTPS
52ms
TLSA
131ms
SOA
0ms
MTA-STS
63ms
DNSSEC
88ms
SRV
69ms
Total
759ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-08 22:43:48 759ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 09:58:44 2340ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 17:49:35 1197ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 08:17:56 501ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 11:49:41 436ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 01:46:08 413ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:37:57 1264ms 2 NS 1 A 0 MX 🔒 Secure View
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