assembler.dk

📜 Historical scan 2026-09-25 12:15:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assembler.dk is a .dk domain served by 2 nameservers (hal.ns.cloudflare.com, leia.ns.cloudflare.com). It was registered on 6 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.34 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
hal.ns.cloudflare.com	108.162.193.174 172.64.33.174 173.245.59.174 2606:4700:58::adf5:3bae 2803:f800:50::6ca2:c1ae 2a06:98c1:50::ac40:21ae	hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leia.ns.cloudflare.com	108.162.192.184 172.64.32.184 173.245.58.184 2606:4700:50::adf5:3ab8 2803:f800:50::6ca2:c0b8 2a06:98c1:50::ac40:20b8	leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.34	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2822	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:aee3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.34,172.67.174.227 ech=AEX+DQBBuAAgACBeWfLyd08MrrxQgz3O0ws1h/j6yhgH1+4jTfFQ5Y6qawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2822,2606:4700:3035::ac43:aee3

📝 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 2026-10-07 21:09:17

www	104.21.40.34 172.67.174.227 2606:4700:3033::6815:2822 2606:4700:3035::ac43:aee3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network assembler.dk: 104.21.40.34 172.67.174.227 2606:4700:3033::6815:2822 2606:4700:3035::ac43:aee3 (AS13335) www.assembler.dk: 104.21.40.34 172.67.174.227 2606:4700:3033::6815:2822 2606:4700:3035::ac43:aee3 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.assembler.dk	em9ouwZoMOb0BbV8_IHYPXdr4GG5gP0J6CWEPtaNkAE
TXT	_acme-challenge.assembler.dk	fLXRTv6Z5l0KMzVJOnaeMJju9xqk7PpJzg6LbC4e6Bs

🔗 TLSA / DANE#

4 records 66ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

733ms

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	2415791391
Primary NS (MNAME)	hal.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-07-02 00:10:41

Field	Value
Registrar	ONE.COM A/S
Registered	2023-01-06
Expires	2027-01-05 (80d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

51ms

41ms

AAAA

41ms

TXT

184ms

CAA

40ms

HTTPS

60ms

TLSA

66ms

SOA

0ms

MTA-STS

56ms

DNSSEC

733ms

SRV

63ms

Total

1375ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 17:51:20	793ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 12:34:08	894ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-25 12:15:53 shown	1375ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-09 20:12:33	5437ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-29 02:29:37	1944ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 16:08:03	1648ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-28 00:28:53	9154ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 00:10:26	5235ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 13:45:34	915ms	2 NS 2 A 4 MX	🔓 Insecure