achernar.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
bjorn.ns.cloudflare.com	—	—	—
kristin.ns.cloudflare.com	—	—	—

🌍 A Records2 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.82	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.51	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
39	—	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
73	—	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
74	—	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:552	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3036::ac43:8533	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 69ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.82,172.67.133.51 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:552,2606:4700:3036::ac43:8533

📝 TXT Records1 records 253ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (achernar.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 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 / DANE9 records 2047ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC189ms

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

🏷️ SOA73ms

Field	Value
Serial	2405448192
Primary NS (MNAME)	bjorn.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

72ms

A

76ms

MX

69ms

AAAA

75ms

TXT

253ms

CAA

75ms

HTTPS

69ms

TLSA

2047ms

SOA

73ms

MTA-STS

53ms

DNSSEC

189ms

SRV

0ms

Total

3201ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:56:26	1226ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-09 04:54:47	1936ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-01 07:25:47	2178ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-15 12:05:17	1751ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-03 19:25:20	1743ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-21 18:52:42	1807ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-16 12:38:01	3201ms	2 NS 2 A 3 MX	🔒 Secure	View