cbb.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
dolly.ns.cloudflare.com	108.162.192.98 172.64.32.98 173.245.58.98 2606:4700:50::adf5:3a62 2803:f800:50::6ca2:c062 2a06:98c1:50::ac40:2062	dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rajeev.ns.cloudflare.com	108.162.193.224 172.64.33.224 173.245.59.224 2606:4700:58::adf5:3be0 2803:f800:50::6ca2:c1e0 2a06:98c1:50::ac40:21e0	rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.20.32.194	300s	—	AS13335	Cloudflare, Inc.	104.20.0.0/18	—	—
172.66.174.94	300s	—	AS13335	Cloudflare, Inc.	172.66.160.0/20	—	—

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cbb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 2a01:111:f403:ca48::c 52.101.103.137 52.101.68.10 52.101.68.3 52.101.73.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.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	mail.cbb.dk → 77.66.1.40

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:10::6814:20c2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:10::ac42:ae5e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.20.32.194,172.66.174.94 ipv6hint=2606:4700:10::6814:20c2,2606:4700:10::ac42:ae5e

🔌 SRV Records1 records 53ms

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

📝 TXT Records11 records 143ms

TXT Record
_globalsign-domain-verification=7SD8aGwtFQsUgG3dfETsTIRBiKGUlFu6AMW0iKNu2u
_globalsign-domain-verification=ACG0S8XXScS0Epj3hc2So1Wv66bRSYIg9FqeepZyNB
4W3-5UM-NES
atlassian-domain-verification=YpJwEImLXHH0bIv7XBC8YYKZKaeOtLchXFervcrEmvKZJ9QOI283K4J2UovlomuF
EN5MGRiaA3c7mCK9OyahYyChxtgD5EyeBlVC1tgiYPm9ZM3zeyIHd30wMPkGvYF6c28VGy0ma0D2h1x/qPSAAw==
google-site-verification=0iBWsGZV7DhaKklLcQG4km28Z7M9b7SU0h3RjxQCGu4
MS=93F74C4C1802607C312BF85346C5E1E225AD2DE6
MS=ms75899936
MS=ms87771164
uCbfkkoOmAFc5w4nykLVVLchZAxA8v/50KJ/64uk9gM=
v=spf1 ip4:212.88.71.2/32 ip4:77.66.24.192/27 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cbb.dk)
-all (hard fail)	v=spf1 ip4:212.88.71.2/32 ip4:77.66.24.192/27 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cbb.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:rua-dmarcreport@telenor.com,mailto:3ff3d5c1afa64e7aad9712c709127b40@dmarc-reports.cloudflare.net; ruf=mailto:ruf-dmarcreport@telenor.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

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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	2413192682
Primary NS (MNAME)	dolly.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

28ms

A

26ms

MX

29ms

AAAA

30ms

TXT

143ms

CAA

26ms

HTTPS

30ms

TLSA

599ms

SOA

0ms

MTA-STS

42ms

DNSSEC

100ms

SRV

53ms

Total

1223ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:00:58	1223ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 17:29:43	1734ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 11:17:22	2241ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 02:48:59	2596ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-20 19:24:28	9548ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 15:07:24	1988ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 02:41:46	1090ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 19:50:23	1752ms	2 NS 2 A 1 MX	🔓 Insecure	View