acbygninger.dk

📜 Historical scan 2026-06-23 14:51:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acbygninger.dk is a .dk domain served by 2 nameservers (dahlia.ns.cloudflare.com, zeus.ns.cloudflare.com). It was registered on 5 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.241 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 167ms

Nameserver	IP addresses	PTR	ASN / ISP
dahlia.ns.cloudflare.com	108.162.192.89 172.64.32.89 173.245.58.89 2606:4700:50::adf5:3a59 2803:f800:50::6ca2:c059 2a06:98c1:50::ac40:2059	dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zeus.ns.cloudflare.com	108.162.193.249 172.64.33.249 173.245.59.249 2606:4700:58::adf5:3bf9 2803:f800:50::6ca2:c1f9 2a06:98c1:50::ac40:21f9	zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.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 153ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.241	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.84.241
🔶 Autoconfig	172.67.199.103

🔷 AAAA Records (IPv6)#

2 records 154ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:54f1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c767	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 141ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.241,172.67.199.103 ech=AEX+DQBB+QAgACBluFGc0uHEoSvpAhpj269+y4GA1Z0p6gSe2GnrabN4WgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:54f1,2606:4700:3036::ac43:c767

📝 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 2026-10-19 07:31:26

www	104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335) (address records, no CNAME)
www vs bare domain	Same network acbygninger.dk: 104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335) www.acbygninger.dk: 104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

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	2407416161
Primary NS (MNAME)	dahlia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 06:30:32

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-06-05
Expires	2027-06-04 (224d)

📋 WHOIS#

⏱️ Lookup Timing#

167ms

153ms

132ms

AAAA

154ms

TXT

675ms

CAA

176ms

HTTPS

141ms

TLSA

1352ms

SOA

0ms

MTA-STS

141ms

DNSSEC

207ms

SRV

169ms

Total

4705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 07:31:26	1056ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-09 09:53:10	660ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-05 05:52:19	385ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 05:32:51	663ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-02 10:28:27	619ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 02:46:12	657ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 19:17:27	1325ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-18 11:58:04	8700ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 13:13:51	1981ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-29 21:06:00	767ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 18:03:25	2329ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 14:51:12 shown	4705ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 13:18:24	562ms	2 NS 2 A 0 MX	🔓 Insecure