coldstart.dk

📜 Historical scan 2026-08-03 03:58:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coldstart.dk is a .dk domain served by 2 nameservers (arely.ns.cloudflare.com, nile.ns.cloudflare.com). It was registered on 9 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
arely.ns.cloudflare.com	108.162.194.164 162.159.38.164 172.64.34.164 2606:4700:50::a29f:26a4 2803:f800:50::6ca2:c2a4 2a06:98c1:50::ac40:22a4	arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com arely.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nile.ns.cloudflare.com	108.162.193.214 172.64.33.214 173.245.59.214 2606:4700:58::adf5:3bd6 2803:f800:50::6ca2:c1d6 2a06:98c1:50::ac40:21d6	nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	104.21.92.203

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-16 07:40:22

www	NXDOMAIN
www vs bare domain	Neither resolves coldstart.dk: no address www.coldstart.dk: no address
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.coldstart.dk	3602PwKZwt0-zD0urkn6aFzIEy486BTN57qt0njvV3U
TXT	_acme-challenge.coldstart.dk	GUsDBlbY6eK09lP1M_BWtydH3BifB2VkOy3AiYR4_OY
TXT	_acme-challenge.coldstart.dk	NYjeHaJOHDxCm4-p5o9Xw4xjwXFmHKI4YdAeHSQFWcU
TXT	_acme-challenge.coldstart.dk	PzFQj-430hzZ6LMq3uYTbpR6Sph7jZkBR7RJD-_b_HA
TXT	_acme-challenge.coldstart.dk	Qghssp0z_SOsFig5dP62CSJuXGUe88rEoolSeIsTVsA
TXT	_acme-challenge.coldstart.dk	YGIZ4GmRrp-8Nn9stw9Xfs3NEhOIiYHCqqihquAotpM
TXT	_acme-challenge.coldstart.dk	YSASnrJbUys-O3mFVRc6zOOjGn_Hzl8YBMqFLxI05B4
TXT	_acme-challenge.coldstart.dk	fnsx_UIowuw7wfas1oIgKpYl7pQX9Bhxe8To2SoS-pM
TXT	_acme-challenge.coldstart.dk	iFhczxtdnNVWaRPjVJBzxJcrDGZsg77yjdy5tye7GR4
TXT	_acme-challenge.coldstart.dk	z-Gq9QqoQdXt_qLYELe3Cs9VoOO70YwPm87lGqzgw8I

🔗 TLSA / DANE#

2 records 46ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

162ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2411180321
Primary NS (MNAME)	arely.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:26:33

Field	Value
Registrar	Simply.com A/S
Registered	2010-10-09
Expires	2026-10-31 (13d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

AAAA

235ms

TXT

177ms

CAA

48ms

HTTPS

234ms

TLSA

46ms

SOA

0ms

MTA-STS

66ms

DNSSEC

162ms

SRV

252ms

Total

912ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 07:40:22	1402ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-14 04:58:04	426ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-09 18:10:34	5285ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-06 12:58:46	2169ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 11:45:40	699ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 11:42:40	561ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-24 17:27:11	665ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 13:43:29	551ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 13:32:08	506ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 01:48:53	9240ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-24 01:22:29	1102ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-23 00:36:28	8192ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-22 00:26:43	9321ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-16 19:45:13	1004ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-15 21:55:51	1023ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-14 00:58:11	2774ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-06 18:34:57	879ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-03 03:58:40 shown	912ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-31 16:27:44	879ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-30 01:17:50	9881ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-28 13:15:39	9772ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-27 09:25:40	1278ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-26 09:09:09	994ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-20 08:39:48	1370ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-19 03:21:38	1855ms	2 NS 0 A 1 MX	🔓 Insecure