portarthur.dk

Records from scan: 2026-10-13 03:27:11 · 443ms total · last checked 2026-10-17 12:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

portarthur.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.242.84 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.portarthur.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.242.84	43200s	mail.niboan.dk	AS204151	EWII Bredbaand A/S	87.104.240.0/20	🇩🇰 Denmark	Fredericia

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 Records#

1 records 150ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (portarthur.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

checked 2026-10-13 03:27:11

www CNAME	portarthur.dk (all on portarthur.dk) → 87.104.242.84 (AS204151)
www vs bare domain	Same network portarthur.dk: 87.104.242.84 (AS204151) www.portarthur.dk: 87.104.242.84 (AS204151)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

53ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

40ms

Field	Value
Serial	2026101201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 10:47:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-10-03
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

34ms

31ms

AAAA

39ms

TXT

150ms

CAA

32ms

HTTPS

40ms

TLSA

79ms

SOA

40ms

MTA-STS

44ms

DNSSEC

53ms

SRV

49ms

Total

443ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:27:11 shown	443ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 10:43:56	946ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 10:34:11	347ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:51:52	2484ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 18:39:39	579ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 18:22:18	2688ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:57:08	540ms	2 NS 1 A 1 MX	🔒 Secure