colo.dk

📜 Historical scan 2026-06-16 21:45:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

colo.dk is a .dk domain served by 2 nameservers (ns14.wixdns.net, ns15.wixdns.net). It was registered on 16 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by colo-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 102ms

Nameserver	IP addresses	PTR	ASN / ISP
ns14.wixdns.net	—	—	—
ns15.wixdns.net	—	—	—

🌍 A Records#

1 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.28	—	vm1413.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	colo-dk.mail.protection.outlook.com	52.101.68.0 52.101.68.15 52.101.68.21 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

TXT Record
v=spf1 include:web.shared.mysmtp.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (colo.dk)
-all (hard fail)	v=spf1 include:web.shared.mysmtp.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.colo.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

📬 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 2026-10-09 15:35:15

www	185.21.40.28 (AS48854) (address records, no CNAME)
www vs bare domain	Same network colo.dk: 185.21.40.28 (AS48854) www.colo.dk: 185.21.40.28 (AS48854)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1._domainkey.colo.dk.s007.ascendbywix.com	RSA · ~2048 bit
s2	s2._domainkey.colo.dk.s007.ascendbywix.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

186ms

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

🏷️ SOA#

104ms

Field	Value
Serial	2022020111
Primary NS (MNAME)	ns14.wixdns.net
Responsible (RNAME)	support@wix.com
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 11:38:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-11-16
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

102ms

92ms

101ms

AAAA

94ms

TXT

270ms

CAA

91ms

HTTPS

100ms

TLSA

2033ms

SOA

104ms

MTA-STS

100ms

DNSSEC

186ms

SRV

0ms

Total

2726ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 19:25:45	2812ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 06:35:56	2315ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:45:56 shown	2726ms	2 NS 1 A 1 MX	🔓 Insecure