b-to-b.dk

📜 Historical scan 2026-07-02 14:27:11  ·  ← 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   38ms
NameserverIP addressesPTRASN / 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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.52.191 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.203.53 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.52.191
🔶 Autoconfig104.21.52.191

🔷 AAAA Records (IPv6)#

2 records   51ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:34bf 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:cb35 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.52.191,172.67.203.53 ech=AEX+DQBBEAAgACD3c383jWZb/NLXHeluGLbGbEFpYxaLOWjVnByb3ql3ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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#

PolicyRecord (_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
www104.21.52.191 172.67.203.53 2606:4700:3031::6815:34bf 2606:4700:3034::ac43:cb35 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

8 records   58ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.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 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
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 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

2045ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

31ms
FieldValue
Serial2405973055
Primary NS (MNAME)cloe.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
33ms
MX
32ms
AAAA
51ms
TXT
210ms
CAA
42ms
HTTPS
32ms
TLSA
58ms
SOA
31ms
MTA-STS
47ms
DNSSEC
2045ms
SRV
65ms
Total
3567ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 3567ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-24 17:53:10 1189ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-16 13:57:17 796ms 2 NS 2 A 4 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone