0day.dk DNS records

🖥️ Nameservers2 records 28ms

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 Records1 records 34ms

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 Records2 records 32ms

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 Records1 records 145ms

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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.0day.dk	ARZ4YipH1b4NEUWjITQXtnE2hW073FnaB0dB7lVY29c
TXT	_acme-challenge.0day.dk	I0ke9FNMQHkupTG2anZKkhp1ZLzwGbaJH8XXKf4tdfc

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2413596360
Primary NS (MNAME)	brianna.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-01 20:09:27

Field	Value
Registrar	dns.services ApS
Registered	2001-08-06
Expires	2027-07-31 (332d)

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

34ms

MX

32ms

AAAA

31ms

TXT

145ms

CAA

26ms

HTTPS

24ms

TLSA

1378ms

SOA

0ms

MTA-STS

44ms

DNSSEC

103ms

SRV

53ms

Total

3397ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 07:36:32	3397ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-19 04:42:39	5984ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-07 22:28:37	1341ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-26 15:09:20	3294ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 20:05:04	1102ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 03:38:31	817ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 23:42:15	938ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 12:33:43	864ms	2 NS 1 A 2 MX	🔒 Secure	View