authkey.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
archer.ns.cloudflare.com	108.162.195.136 162.159.44.136 172.64.35.136 2606:4700:58::a29f:2c88 2803:f800:50::6ca2:c388 2a06:98c1:50::ac40:2388	archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.171	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.155	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.197.155
🔶 Autoconfig	172.67.197.155

🔷 AAAA Records (IPv6)2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:c59b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:24ab	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.171,172.67.197.155 ech=AEX+DQBBFwAgACD9pTp4luqDPG8kfKWiTZurCCGXqm1gbnKvAXHor2wxAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c59b,2606:4700:3037::6815:24ab

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC144ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2408072776
Primary NS (MNAME)	archer.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

40ms

A

49ms

MX

50ms

AAAA

61ms

TXT

238ms

CAA

53ms

HTTPS

49ms

TLSA

60ms

SOA

0ms

MTA-STS

120ms

DNSSEC

144ms

SRV

110ms

Total

1164ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:57:02	528ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-28 17:55:06	3387ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 01:22:28	1164ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 13:51:19	482ms	2 NS 2 A 0 MX	🔓 Insecure	View