cb.dk

📜 Historical scan 2026-06-27 22:10:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cb.dk is a .dk domain served by 2 nameservers (ns1.cb.dk, ns2.cb.dk). It was registered on 23 February 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by cb-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.cb.dk	194.60.243.77	ns1.cb.dk	AS42876 Unit IT A/S
ns2.cb.dk	194.60.243.76	ns2.cb.dk	AS42876 Unit IT A/S

🌍 A Records#

4 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.5 52.101.73.2 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

9 records 234ms

TXT Record
_globalsign-domain-verification=fWrjE5KwhnIt5DlMkcGpjG5vxqg8mB-dkfLVjbv9SH
23.06.2026
apple-domain-verification=BV1hPoCujIaI98vo
CpLt9GfK94Rm0s6DYJo1MEjRVPsEIlk/WG3Tttl8wEbSj3faZ1zw+jIhuhpJyLRqNP13tOpdPqoWZ7muXJogWQ==
facebook-domain-verification=izkehts4wsbrvlrt27uy1qebmy05if
MS=ms29945267
tiktok-developers-site-verification=kyXDmHPlH9KDA7gkPUj9FucQAnrVcYno
v=spf1 include:eu.zcsend.net include:spf.zoho.eu include:eu.transmail.net include:spf.protection.outlook.com include:spf.comendosystems.com include:spf.topdesk.net include:spf.cb.topdesk.net include:spf.mailanyone.net -all
zoho-verification=zb86979178.zmverify.zoho.eu

✉️ SPF#

Policy	Record (cb.dk)
-all (hard fail)	v=spf1 include:eu.zcsend.net include:spf.zoho.eu include:eu.transmail.net include:spf.protection.outlook.com include:spf.comendosystems.com include:spf.topdesk.net include:spf.cb.topdesk.net include:spf.mailanyone.net -all

📨 DMARC#

Policy	Record (_dmarc.cb.dk)
p=none (monitor only)	v=DMARC1; p=none; fo=1; rua=mailto:8fdd192f@mxtoolbox.dmarc-report.com; ruf=mailto:8fdd192f@forensics.dmarc-report.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 06:25:22

www	198.185.159.144 (AS53831) (address records, no CNAME)
www vs bare domain	Same network cb.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.cb.dk: 198.185.159.144 (AS53831)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u9743129.wl130.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u9743129.wl130.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

error include:spf.cb.topdesk.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026043022
Primary NS (MNAME)	ns1.cb.dk
Responsible (RNAME)	hostmaster@cb.dk
Refresh	14400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-07 06:59:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-02-23
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

38ms

36ms

AAAA

44ms

TXT

234ms

CAA

42ms

HTTPS

40ms

TLSA

668ms

SOA

0ms

MTA-STS

50ms

DNSSEC

108ms

SRV

61ms

Total

3604ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 06:25:22	1847ms	2 NS 4 A 1 MX	🔓 Insecure
2026-10-07 06:23:52	1295ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-24 22:35:15	10285ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-20 18:05:01	1848ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-13 16:05:24	3019ms	2 NS 4 A 1 MX	🔓 Insecure
2026-09-09 11:11:03	2455ms	2 NS 4 A 1 MX	🔓 Insecure
2026-08-27 16:25:48	1763ms	2 NS 4 A 1 MX	🔓 Insecure
2026-08-25 12:00:13	3024ms	2 NS 4 A 1 MX	🔓 Insecure
2026-08-07 07:30:59	2546ms	2 NS 4 A 1 MX	🔓 Insecure
2026-07-17 00:16:42	1555ms	2 NS 4 A 1 MX	🔓 Insecure
2026-07-03 20:25:52	5511ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-27 22:10:45 shown	3604ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-25 01:38:45	1418ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-21 01:25:50	614ms	2 NS 4 A 1 MX	🔓 Insecure
2026-06-16 19:51:15	917ms	2 NS 4 A 1 MX	🔓 Insecure