zero-day.dk DNS records

🖥️ Nameservers2 records 124ms

Nameserver	IP addresses	PTR	ASN / ISP
alan.ns.cloudflare.com	108.162.193.57 172.64.33.57 173.245.59.57 2606:4700:58::adf5:3b39 2803:f800:50::6ca2:c139 2a06:98c1:50::ac40:2139	alan.ns.cloudflare.com alan.ns.cloudflare.com alan.ns.cloudflare.com alan.ns.cloudflare.com alan.ns.cloudflare.com alan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
emma.ns.cloudflare.com	108.162.192.112 172.64.32.112 173.245.58.112 2606:4700:50::adf5:3a70 2803:f800:50::6ca2:c070 2a06:98c1:50::ac40:2070	emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.32	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.121	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.199.121
🔶 Autoconfig	104.21.58.32

🔷 AAAA Records (IPv6)2 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:c779	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3a20	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.32,172.67.199.121 ech=AEX+DQBBrQAgACCyYUtu+hjEKpfaUBb9so9Jt4Ua7vJpLWUs6ahSnP5/WwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:c779,2606:4700:3037::6815:3a20

🔌 SRV Records1 records 141ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.zero-day.dk	KCWMLcIHvMvdXvM6-z6nxOeK7N80-AW6uVZ6celIGwA
TXT	_acme-challenge.zero-day.dk	ls5MtllP092cAkks-Hcr5lTUrP_-1r3uCRd6UvPwxxY

🔗 TLSA / DANE

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

🔐 DNSSEC236ms

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

🏷️ SOA0ms

Field	Value
Serial	2413503487
Primary NS (MNAME)	alan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

124ms

A

93ms

MX

96ms

AAAA

83ms

TXT

423ms

CAA

99ms

HTTPS

88ms

TLSA

420ms

SOA

0ms

MTA-STS

171ms

DNSSEC

236ms

SRV

141ms

Total

2324ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 21:30:20	2324ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-27 22:30:14	2701ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-16 14:22:16	2990ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-24 02:20:34	1024ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-21 18:36:13	1104ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-29 13:16:47	1649ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-25 13:28:41	755ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-25 02:18:14	925ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-18 03:23:58	1257ms	2 NS 2 A 3 MX	🔒 Secure	View