0day.dk

📜 Historical scan 2026-08-07 22:28:37 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 44ms

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 47ms

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

📧 MX Records#

2 records 40ms

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 216ms

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#

latest probe, not this scan · 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#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411449157
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 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

47ms

40ms

AAAA

47ms

TXT

216ms

CAA

47ms

HTTPS

40ms

TLSA

93ms

SOA

0ms

MTA-STS

60ms

DNSSEC

79ms

SRV

78ms

Total

1341ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 08:12:59	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 shown	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