b-performance.dk

Records from scan: 2026-10-15 17:41:20 · 773ms total · last checked 2026-10-16 19:32 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b-performance.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, mallory.ns.cloudflare.com). It was registered on 30 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.14.153 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by c8bhp2fri.mx.service.one. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mallory.ns.cloudflare.com	108.162.194.83 162.159.38.83 172.64.34.83 2606:4700:50::a29f:2653 2803:f800:50::6ca2:c253 2a06:98c1:50::ac40:2253	mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.ns.cloudflare.com mallory.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
104.21.14.153	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.192	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	c8bhp2fri.mx.service.one	185.10.9.212 185.10.9.213 185.10.9.214 185.10.9.215	mx1.pub.mailpod14-cph3.one.com mx2.pub.mailpod14-cph3.one.com mx3.pub.mailpod14-cph3.one.com mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:e99	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cbc0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.14.153,172.67.203.192 ech=AEX+DQBBQQAgACARhLJM9qASB4fI9tI8HFssvb+3lTGqbJau9L/IbfsAKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:e99,2606:4700:3035::ac43:cbc0

📝 TXT Records#

2 records 163ms

TXT Record
google-site-verification=XPl_kf-Mu3Ml6gkj_d9S0dxS-oA8hAEEBrYoBC2HHp0
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (b-performance.dk)
no all — incomplete SPF	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 17:41:20

www	104.21.14.153 172.67.203.192 2606:4700:3033::6815:e99 2606:4700:3035::ac43:cbc0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network b-performance.dk: 104.21.14.153 172.67.203.192 2606:4700:3033::6815:e99 2606:4700:3035::ac43:cbc0 (AS13335) www.b-performance.dk: 104.21.14.153 172.67.203.192 2606:4700:3033::6815:e99 2606:4700:3035::ac43:cbc0 (AS13335)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: none

error include:_custspf.one.com ~all has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2417543035
Primary NS (MNAME)	karl.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 02:53:28

Field	Value
Registrar	ONE.COM A/S
Registered	2025-04-30
Expires	2027-04-29 (194d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

38ms

34ms

28ms

AAAA

41ms

TXT

163ms

CAA

38ms

HTTPS

39ms

TLSA

93ms

SOA

33ms

MTA-STS

59ms

DNSSEC

116ms

SRV

54ms

Total

773ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 17:41:20 shown	773ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 14:08:36	10082ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 20:28:53	539ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 18:12:20	761ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 20:35:15	3519ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 07:07:34	628ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:57:18	664ms	2 NS 2 A 1 MX	🔓 Insecure