fatfur.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
crystal.ns.cloudflare.com	108.162.194.202 162.159.38.202 172.64.34.202 2606:4700:50::a29f:26ca 2803:f800:50::6ca2:c2ca 2a06:98c1:50::ac40:22ca	crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
felicity.ns.cloudflare.com	108.162.195.212 162.159.44.212 172.64.35.212 2606:4700:58::a29f:2cd4 2803:f800:50::6ca2:c3d4 2a06:98c1:50::ac40:23d4	felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mail.fatfur.dk	217.12.150.9	—	AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.fatfur.dk → 217.12.150.9
🔶 Autoconfig	mail.fatfur.dk → 217.12.150.9

🔷 AAAA Records (IPv6)2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:82e3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:397	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.151,172.67.130.227 ech=AEX+DQBBKgAgACAvQqH0GYmbu3KvoVqKt+Ei4tgB0R7OrKySEEIuEA2POgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:82e3,2606:4700:3036::6815:397

📝 TXT Records1 records 154ms

TXT Record
v=spf1 a mx -all

✉️ SPF

Policy	Record (fatfur.dk)
-all (hard fail)	v=spf1 a mx -all

📨 DMARC

Policy	Record (_dmarc.fatfur.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@fatfur.dk

📬 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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2413234167
Primary NS (MNAME)	crystal.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

36ms

A

50ms

MX

42ms

AAAA

36ms

TXT

154ms

CAA

32ms

HTTPS

38ms

TLSA

61ms

SOA

0ms

MTA-STS

46ms

DNSSEC

104ms

SRV

75ms

Total

819ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:46:56	819ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 07:08:16	9891ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-11 08:04:51	4845ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-07 09:32:54	1175ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 09:55:49	1530ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 02:51:04	9070ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 06:21:44	1129ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 10:16:23	1021ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-10 17:26:12	1397ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 21:43:07	622ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 05:53:20	1065ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 01:52:54	3063ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 09:26:25	529ms	2 NS 2 A 1 MX	🔓 Insecure	View