cbb.dk

📜 Historical scan 2026-09-29 18:31:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbb.dk is a .dk domain served by 2 nameservers (dolly.ns.cloudflare.com, rajeev.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.20.32.194 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cbb-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 34ms

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 Records#

2 records 34ms

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 Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cbb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::22 2a01:111:f403:ca21::10 2a01:111:f403:ca21::e 52.101.103.36 52.101.181.153 52.101.185.24 52.101.68.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.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 31ms

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 Records#

1 records 53ms

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 Records#

1 records 69ms

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

📝 TXT Records#

9 records 171ms

TXT Record
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 15:23:56

www	104.20.32.194 172.66.174.94 2606:4700:10::6814:20c2 2606:4700:10::ac42:ae5e (AS13335) (address records, no CNAME)
www vs bare domain	Same network cbb.dk: 104.20.32.194 172.66.174.94 2606:4700:10::6814:20c2 2606:4700:10::ac42:ae5e (AS13335) www.cbb.dk: 104.20.32.194 172.66.174.94 2606:4700:10::6814:20c2 2606:4700:10::ac42:ae5e (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-cbb-dk._domainkey.telenorgroup.p-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-cbb-dk._domainkey.telenorgroup.p-v1.dkim.mail.microsoft	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2416114250
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

48ms

AAAA

31ms

TXT

171ms

CAA

34ms

HTTPS

53ms

TLSA

372ms

SOA

46ms

MTA-STS

70ms

DNSSEC

106ms

SRV

69ms

Total

1146ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:14:58	598ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 18:31:10 shown	1146ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 20:04:19	999ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 19:40:13	1259ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 11:52:23	2889ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 19:00:58	1223ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 17:29:43	1734ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 11:17:22	2241ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-02 02:48:59	2596ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 19:24:28	9548ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 15:07:24	1988ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 02:41:46	1090ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 19:50:23	1752ms	2 NS 2 A 1 MX	🔓 Insecure