collo.dk

📜 Historical scan 2026-09-30 05:44:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

collo.dk is a .dk domain served by 2 nameservers (ian.ns.cloudflare.com, tessa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.162 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ian.ns.cloudflare.com	108.162.193.118 172.64.33.118 173.245.59.118 2606:4700:58::adf5:3b76 2803:f800:50::6ca2:c176 2a06:98c1:50::ac40:2176	ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com ian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.162	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.198	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

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	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a4c6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:21a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.162,172.67.164.198 ech=AEX+DQBB/wAgACAj8q7MWDQP7Ivd04Bdiof5uGPJmpXhw51KpzejfcSnVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a4c6,2606:4700:3036::6815:21a2

📝 TXT Records#

1 records 153ms

TXT Record
google-site-verification=Bf6wq0t5-10-rz41FNTfF3f39jfBtrR3s0pLYko6Hpg

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.collo.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarcreports@lovable.dev

📬 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 09:28:17

www	Address record (no CNAME)
Wildcard	No

🔗 TLSA / DANE#

3 records 66ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

115ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2416141411
Primary NS (MNAME)	ian.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#

37ms

45ms

38ms

AAAA

34ms

TXT

153ms

CAA

36ms

HTTPS

34ms

TLSA

66ms

SOA

37ms

MTA-STS

52ms

DNSSEC

115ms

SRV

56ms

Total

981ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 09:28:17	450ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 05:44:20 shown	981ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 05:36:20	1427ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 04:43:06	612ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 18:30:19	3133ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 20:36:03	9734ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 11:06:34	1027ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 04:21:14	1108ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-02 09:16:37	1590ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 01:29:18	1470ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:45:52	544ms	2 NS 2 A 1 MX	🔓 Insecure