businessclass.dk

📜 Historical scan 2026-08-26 22:06:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

businessclass.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, perla.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.7 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
hank.ns.cloudflare.com	108.162.193.116 172.64.33.116 173.245.59.116 2606:4700:58::adf5:3b74 2803:f800:50::6ca2:c174 2a06:98c1:50::ac40:2174	hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
perla.ns.cloudflare.com	108.162.194.203 162.159.38.203 172.64.34.203 2606:4700:50::a29f:26cb 2803:f800:50::6ca2:c2cb 2a06:98c1:50::ac40:22cb	perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.7	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:af29	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3007	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.7,172.67.175.41 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:af29,2606:4700:3034::6815:3007

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:00:22

www	104.21.48.7 172.67.175.41 2606:4700:3032::ac43:af29 2606:4700:3034::6815:3007 (AS13335) (address records, no CNAME)
www vs bare domain	Same network businessclass.dk: 104.21.48.7 172.67.175.41 2606:4700:3032::ac43:af29 2606:4700:3034::6815:3007 (AS13335) www.businessclass.dk: 104.21.48.7 172.67.175.41 2606:4700:3032::ac43:af29 2606:4700:3034::6815:3007 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.businessclass.dk	OTJMs5y7e_aPIqUD-YpmGvamxXXN6-Q0sWi9Mw6Mlh4
TXT	_acme-challenge.businessclass.dk	wXsmvNhpffhz72kD8UUOvlIBXicSaamNS3yyNzbhQF4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413255051
Primary NS (MNAME)	hank.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#

25ms

30ms

35ms

AAAA

49ms

TXT

143ms

CAA

33ms

HTTPS

24ms

TLSA

63ms

SOA

0ms

MTA-STS

67ms

DNSSEC

95ms

SRV

60ms

Total

498ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:00:22	776ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 03:21:18	2921ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 03:33:14	1052ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 22:06:42 shown	498ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 00:21:02	1939ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-15 04:34:42	1535ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-27 21:05:17	843ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-25 21:10:10	784ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-21 13:02:53	3104ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-16 17:50:20	654ms	3 NS 1 A 5 MX	🔒 Secure