rethinkbusiness.dk

📜 Historical scan 2026-08-12 07:22:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rethinkbusiness.dk is a .dk domain served by 2 nameservers (mitch.ns.cloudflare.com, saanvi.ns.cloudflare.com). It was registered on 19 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.29 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 258ms

Nameserver	IP addresses	PTR	ASN / ISP
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
saanvi.ns.cloudflare.com	108.162.194.80 162.159.38.80 172.64.34.80 2606:4700:50::a29f:2650 2803:f800:50::6ca2:c250 2a06:98c1:50::ac40:2250	saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.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 257ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.29	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.36	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.174.36
🔶 Autoconfig	104.21.72.29

🔷 AAAA Records (IPv6)#

2 records 207ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:481d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:ae24	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 240ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.72.29,172.67.174.36 ech=AEX+DQBBwAAgACBF1bgqeOMCaXiIl6mWRVaPuJ4v0WakgldpZFV2wEOCTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:481d,2606:4700:3035::ac43:ae24

📝 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 2026-10-10 02:22:04

www	104.21.72.29 172.67.174.36 2606:4700:3031::6815:481d 2606:4700:3035::ac43:ae24 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rethinkbusiness.dk: 104.21.72.29 172.67.174.36 2606:4700:3031::6815:481d 2606:4700:3035::ac43:ae24 (AS13335) www.rethinkbusiness.dk: 104.21.72.29 172.67.174.36 2606:4700:3031::6815:481d 2606:4700:3035::ac43:ae24 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

315ms

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	2411933096
Primary NS (MNAME)	mitch.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 02:43:39

Field	Value
Registrar	Realtime Register B.V.
Registered	2025-10-19
Expires	2026-10-18 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

258ms

257ms

217ms

AAAA

207ms

TXT

528ms

CAA

253ms

HTTPS

240ms

TLSA

148ms

SOA

0ms

MTA-STS

274ms

DNSSEC

315ms

SRV

277ms

Total

1751ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 02:22:04	2838ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-25 21:58:36	9719ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-22 09:02:44	2077ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-16 07:45:13	2108ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-07 18:56:50	9778ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-05 06:02:26	1700ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-02 12:52:59	945ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-31 15:41:08	3920ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-12 07:22:47 shown	1751ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-04 22:54:23	2017ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 22:00:35	1375ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 01:59:19	810ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 20:29:54	623ms	2 NS 2 A 0 MX	🔓 Insecure