sejthen.dk
Last scanned: 2026-08-18 17:58:52  ·  2506ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   228ms
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 Records2 records   248ms
IPTTLPTRASNISP / OrgCIDRCountryCity
151.101.0.119 3600s — AS54113 Fastly, Inc. 151.101.0.0/16 🇺🇸 United States —
151.101.64.119 3600s — AS54113 Fastly, Inc. 151.101.0.0/16 🇺🇸 United States —
📧 MX Records1 records   203ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  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   499ms
TXT Record
v=spf1 include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (sejthen.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~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)
🔐 DNSSEC458ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081701
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
228ms
A
248ms
MX
203ms
AAAA
263ms
TXT
499ms
CAA
281ms
HTTPS
206ms
TLSA
194ms
SOA
0ms
MTA-STS
261ms
DNSSEC
458ms
SRV
304ms
Total
2506ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 17:58:52 2506ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-05 21:24:58 642ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-04 02:21:17 717ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 22:01:59 876ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-08 20:09:37 24716ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 19:51:55 697ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 22:46:19 1830ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 13:24:28 1017ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 12:10:20 1109ms 2 NS 1 A 4 MX 🔒 Secure View
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