segfault.dk

📜 Historical scan 2026-06-25 18:49:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

segfault.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 40.69.29.157 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 273ms

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 212ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
40.69.29.157	43200s	—	AS8075	Microsoft Corporation	40.68.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 179ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	40.69.29.157
🔶 Autoconfig	40.69.29.157

🔷 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 02:42:46

www	40.69.29.157 (AS8075) (address records, no CNAME)
www vs bare domain	Same network segfault.dk: 40.69.29.157 (AS8075) www.segfault.dk: 40.69.29.157 (AS8075)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

284ms

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

🏷️ SOA#

197ms

Field	Value
Serial	2026061101
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 2026-10-11 22:10:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-11-01
Expires	2026-11-30 (37d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
cked.dk	Punktum dk A/S (direct)
datasikkerhed.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

273ms

212ms

179ms

AAAA

214ms

TXT

608ms

CAA

206ms

HTTPS

191ms

TLSA

243ms

SOA

197ms

MTA-STS

234ms

DNSSEC

284ms

SRV

306ms

Total

1456ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 02:42:46	650ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:08:18	482ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 17:44:49	606ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:30:39	568ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 12:32:55	3227ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 21:41:32	8587ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 13:05:31	4691ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 21:01:39	649ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 18:49:12 shown	1456ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:14:39	2624ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:27:16	571ms	2 NS 1 A 0 MX	🔒 Secure