cbo.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
liz.ns.cloudflare.com	108.162.192.189 172.64.32.189 173.245.58.189 2606:4700:50::adf5:3abd 2803:f800:50::6ca2:c0bd 2a06:98c1:50::ac40:20bd	liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sean.ns.cloudflare.com	108.162.193.231 172.64.33.231 173.245.59.231 2606:4700:58::adf5:3be7 2803:f800:50::6ca2:c1e7 2a06:98c1:50::ac40:21e7	sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.164	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4025:c01::1a 64.233.162.27	rd-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:aa4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:9203	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.164,172.67.146.3 ech=AEX+DQBBBAAgACDJdbi/EzLITTf8bxh04Rb/LPDg8Lscuc3wE6BtYxKxDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:aa4,2606:4700:3034::ac43:9203

📝 TXT Records1 records 184ms

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

✉️ SPF

Policy	Record (cbo.dk)
~all (soft fail)	v=spf1 include:_spf.google.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)

🔐 DNSSEC129ms

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	2409558789
Primary NS (MNAME)	liz.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

61ms

A

56ms

MX

60ms

AAAA

58ms

TXT

184ms

CAA

65ms

HTTPS

46ms

TLSA

8063ms

SOA

0ms

MTA-STS

84ms

DNSSEC

129ms

SRV

265ms

Total

9694ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:38:03	857ms	2 NS 4 A 5 MX	🔓 Insecure	View
2026-08-25 01:56:46	1133ms	2 NS 4 A 5 MX	🔓 Insecure	View
2026-08-22 00:30:37	1814ms	2 NS 4 A 5 MX	🔓 Insecure	View
2026-08-17 19:18:12	8412ms	2 NS 4 A 5 MX	🔓 Insecure	View
2026-07-31 15:35:35	17282ms	2 NS 4 A 5 MX	🔓 Insecure	View
2026-07-18 20:04:48	1424ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-16 09:22:12	9694ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-28 22:32:00	1283ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-16 19:50:54	668ms	2 NS 2 A 5 MX	🔓 Insecure	View