cofab.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
nina.ns.cloudflare.com	108.162.192.136 172.64.32.136 173.245.58.136 2606:4700:50::adf5:3a88 2803:f800:50::6ca2:c088 2a06:98c1:50::ac40:2088	nina.ns.cloudflare.com nina.ns.cloudflare.com nina.ns.cloudflare.com nina.ns.cloudflare.com nina.ns.cloudflare.com nina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tim.ns.cloudflare.com	108.162.193.145 172.64.33.145 173.245.59.145 2606:4700:58::adf5:3b91 2803:f800:50::6ca2:c191 2a06:98c1:50::ac40:2191	tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.63	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 64.233.165.27	lq-in-x1a.1e100.net lq-in-f26.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:23f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:80d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.63,172.67.128.214 ech=AEX+DQBBKwAgACBZMzmi92S55TkOZ1fj2EwjzMk54Bu4d2qWP/dP5daBcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:23f,2606:4700:3033::ac43:80d6

📝 TXT Records2 records 197ms

TXT Record
v=spf1 include:_spf.google.com ~all
v=spf1 include:spf.mandrillapp.com ?all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (cofab.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all
?all (neutral)	v=spf1 include:spf.mandrillapp.com ?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 / DANE

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

🔐 DNSSEC95ms

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	2410272949
Primary NS (MNAME)	nina.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

42ms

A

45ms

MX

44ms

AAAA

68ms

TXT

197ms

CAA

65ms

HTTPS

66ms

TLSA

98ms

SOA

0ms

MTA-STS

61ms

DNSSEC

95ms

SRV

72ms

Total

1029ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 21:25:25	1029ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-27 16:11:46	886ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-23 13:28:00	2019ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-22 03:46:48	1539ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-25 16:43:15	2451ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-22 02:50:55	779ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 21:48:49	584ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 21:41:09	765ms	2 NS 2 A 5 MX	🔓 Insecure	View