b-performance.dk DNS records

🖥️ Nameservers2 records 42ms

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 Records2 records 52ms

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 Records1 records 46ms

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 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:e99	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:cbc0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.14.153,172.67.203.192 ech=AEX+DQBBHAAgACC+SFRaafkH82GZ3ptOKCPrsK30Bnjo3vG5v3A+He0jQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:e99,2606:4700:3032::ac43:cbc0

📝 TXT Records2 records 179ms

TXT Record
google-site-verification=XPl_kf-Mu3Ml6gkj_d9S0dxS-oA8hAEEBrYoBC2HHp0
v=spf1 include:_custspf.one.com\194\160~all

✉️ SPF

Policy	Record (b-performance.dk)
no all — incomplete SPF	v=spf1 include:_custspf.one.com\194\160~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

🔗 TLSA / DANE

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

🔐 DNSSEC121ms

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

🏷️ SOA52ms

Field	Value
Serial	2407329910
Primary NS (MNAME)	karl.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

42ms

A

52ms

MX

46ms

AAAA

56ms

TXT

179ms

CAA

66ms

HTTPS

33ms

TLSA

121ms

SOA

52ms

MTA-STS

58ms

DNSSEC

121ms

SRV

235ms

Total

628ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 18:12:20	761ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 20:35:15	3519ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 07:07:34	628ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 13:57:18	664ms	2 NS 2 A 1 MX	🔓 Insecure	View