portarthur.dk
Last scanned: 2026-06-19 18:22:18  ·  2688ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.104.242.84 43200s mail.niboan.dk AS204151 EWII Bredbaand A/S 87.104.240.0/20 🇩🇰 Denmark Kolding
📧 MX Records1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.portarthur.dk 87.104.242.84 mail.niboan.dk AS204151 EWII Bredbaand A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   289ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (portarthur.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.portarthur.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_rua@portarthur.dk; ruf=mailto:dmarc_ruf@portarthur.dk; fo=1;
📬 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)
🔐 DNSSEC119ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA36ms
FieldValue
Serial2026032401
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
43ms
A
28ms
MX
36ms
AAAA
39ms
TXT
289ms
CAA
43ms
HTTPS
45ms
TLSA
2188ms
SOA
36ms
MTA-STS
81ms
DNSSEC
119ms
SRV
209ms
Total
2688ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-19 18:22:18 2688ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 21:57:08 540ms 2 NS 1 A 1 MX 🔒 Secure View
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