b-to-b.dk

📜 Historical scan 2026-06-24 17:53:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b-to-b.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, sri.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.191	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.53	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.52.191
🔶 Autoconfig	172.67.203.53

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:34bf	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:cb35	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.191,172.67.203.53 ech=AEX+DQBBKQAgACBOi0WemTsnhHj6Ex84wrPXMSw7l+G18dmvduVQvV0YAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:34bf,2606:4700:3034::ac43:cb35

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.b-to-b.dk)
p=reject	v=DMARC1; p=reject;

📬 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 16:26:51

www	104.21.52.191 172.67.203.53 2606:4700:3031::6815:34bf 2606:4700:3034::ac43:cb35 (AS13335) (address records, no CNAME)
www vs bare domain	Same network b-to-b.dk: 104.21.52.191 172.67.203.53 2606:4700:3031::6815:34bf 2606:4700:3034::ac43:cb35 (AS13335) www.b-to-b.dk: 104.21.52.191 172.67.203.53 2606:4700:3031::6815:34bf 2606:4700:3034::ac43:cb35 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

4 records 139ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

71ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2405973055
Primary NS (MNAME)	cloe.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#

55ms

39ms

67ms

AAAA

53ms

TXT

182ms

CAA

51ms

HTTPS

37ms

TLSA

139ms

SOA

56ms

MTA-STS

67ms

DNSSEC

71ms

SRV

267ms

Total

1189ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 14:41:48	939ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-25 13:30:05	9523ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-23 15:50:57	844ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-17 21:20:51	1649ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 18:30:31	1213ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 15:53:04	1207ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-06 11:01:36	9471ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-19 10:20:08	9291ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 14:27:11	3567ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-24 17:53:10 shown	1189ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 13:57:17	796ms	2 NS 2 A 4 MX	🔓 Insecure