bizsurf.dk DNS records

🖥️ Nameservers2 records 102ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stan.ns.cloudflare.com	108.162.193.235 172.64.33.235 173.245.59.235 2606:4700:58::adf5:3beb 2803:f800:50::6ca2:c1eb 2a06:98c1:50::ac40:21eb	stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.165	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.165	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:23a5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:b1a5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 90ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.165,172.67.177.165 ech=AEX+DQBBnAAgACCWnCu73RtdxO1HHqPydj2ut93za7bSwimFE9db1b9FIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:23a5,2606:4700:3031::ac43:b1a5

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC271ms

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

🏷️ SOA0ms

Field	Value
Serial	2413637178
Primary NS (MNAME)	brenda.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

102ms

A

111ms

MX

117ms

AAAA

97ms

TXT

340ms

CAA

92ms

HTTPS

90ms

TLSA

527ms

SOA

0ms

MTA-STS

151ms

DNSSEC

271ms

SRV

155ms

Total

1427ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 06:59:05	1427ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-31 04:03:12	1270ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-07 22:53:31	2316ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 18:51:36	781ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 00:47:16	541ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 14:42:44	390ms	2 NS 2 A 0 MX	🔓 Insecure	View