cb.dk

Records from scan: 2026-10-08 06:25:22 · 1847ms total · last checked 2026-10-17 02:25 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.cb.dk	193.104.202.25	ext202-25.cph1.sit.dk	AS50346 It Forum Gruppen A/s
ns2.cb.dk	193.104.202.26	ext202-26.cph1.sit.dk	AS50346 It Forum Gruppen A/s

🌍 A Records#

4 records 34ms

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	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	3600s	—	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::f 2a01:111:f403:ca09::24 2a01:111:f403:ca48::12 2a01:111:f403:ca48::c 52.101.185.21 52.101.68.12 52.101.73.123 52.101.73.145	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 100ms

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

📝 TXT Records#

10 records 224ms

TXT Record
_globalsign-domain-verification=fWrjE5KwhnIt5DlMkcGpjG5vxqg8mB-dkfLVjbv9SH
23.06.2026
apple-domain-verification=BV1hPoCujIaI98vo
CpLt9GfK94Rm0s6DYJo1MEjRVPsEIlk/WG3Tttl8wEbSj3faZ1zw+jIhuhpJyLRqNP13tOpdPqoWZ7muXJogWQ==
facebook-domain-verification=izkehts4wsbrvlrt27uy1qebmy05if
google-site-verification=Gs1pPMFiPAStajov-yFcFqs9m_6ItsSX0jX-m0UFPe8
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#

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#

115ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026100701
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#

36ms

34ms

36ms

AAAA

28ms

TXT

224ms

CAA

34ms

HTTPS

35ms

TLSA

759ms

SOA

27ms

MTA-STS

49ms

DNSSEC

115ms

SRV

100ms

Total

1847ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 06:25:22 shown	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	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