0day.dk

Records from scan: 2026-10-08 08:12:59 · 975ms total · last checked 2026-10-17 00:06 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

0day.dk is a .dk domain served by 2 nameservers (brianna.ns.cloudflare.com, cesar.ns.cloudflare.com). It was registered on 6 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.144.146 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by pmg9.hostedby.dk, pmg.hostedby.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 24ms

Nameserver	IP addresses	PTR	ASN / ISP
brianna.ns.cloudflare.com	108.162.192.245 172.64.32.245 173.245.58.245 2606:4700:50::adf5:3af5 2803:f800:50::6ca2:c0f5 2a06:98c1:50::ac40:20f5	brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com brianna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cesar.ns.cloudflare.com	108.162.195.119 162.159.44.119 172.64.35.119 2606:4700:58::a29f:2c77 2803:f800:50::6ca2:c377 2a06:98c1:50::ac40:2377	cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.146	300s	—	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	pmg9.hostedby.dk	91.229.203.190	pmg9.hostedby.dk	AS216275 Netnoerden ApS
10	300s	pmg.hostedby.dk	91.229.203.190	pmg9.hostedby.dk	AS216275 Netnoerden ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	0day.dk → 91.226.144.146
🔶 Autoconfig	0day.dk → 91.226.144.146

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 154ms

TXT Record
v=spf1 include:hostedby.dk -all

✉️ SPF#

Policy	Record (0day.dk)
-all (hard fail)	v=spf1 include:hostedby.dk -all

📨 DMARC#

Policy	Record (_dmarc.0day.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:60ab3b44fca04ac39d72225202d6e19b@dmarc-reports.cloudflare.net

📬 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 2026-10-08 08:12:59

www CNAME	0day.dk (all on 0day.dk) → 91.226.144.146 (AS216275)
www vs bare domain	Same network 0day.dk: 91.226.144.146 (AS216275) www.0day.dk: 91.226.144.146 (AS216275)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.0day.dk	0day.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2416703897
Primary NS (MNAME)	brianna.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 12:09:18

Field	Value
Registrar	dns.services ApS
Registered	2001-08-06
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

38ms

33ms

AAAA

34ms

TXT

154ms

CAA

41ms

HTTPS

44ms

TLSA

81ms

SOA

46ms

MTA-STS

45ms

DNSSEC

54ms

SRV

57ms

Total

975ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 08:12:59 shown	975ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-06 10:49:28	2407ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-04 10:09:12	1984ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 09:57:31	4499ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-27 01:12:07	4544ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-14 15:24:26	3657ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-07 15:43:41	2400ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-31 07:36:32	3397ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-19 04:42:39	5984ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-07 22:28:37	1341ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-26 15:09:20	3294ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 20:05:04	1102ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 03:38:31	817ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 23:42:15	938ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:33:43	864ms	2 NS 1 A 2 MX	🔒 Secure