c-co.dk

📜 Historical scan 2026-06-16 18:50:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-co.dk is a .dk domain served by 2 nameservers (ali.ns.cloudflare.com, terin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.171 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cco-dk0c.mail.protection.outlook.com. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ali.ns.cloudflare.com	—	—	—
terin.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.71.171	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.19	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cco-dk0c.mail.protection.outlook.com	52.101.68.21 52.101.68.25 52.101.68.29 52.101.68.8	mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ab13	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:47ab	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.71.171,172.67.171.19 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ab13,2606:4700:3037::6815:47ab

📝 TXT Records#

2 records 100ms

TXT Record
MS=ms39998074
v=spf1 include:spf.protection.outlook.com ip4:5.134.9.155 ip4:5.134.12.217 ~all

✉️ SPF#

Policy	Record (c-co.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ip4:5.134.9.155 ip4:5.134.12.217 ~all

📨 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 2026-10-08 17:35:36

www	104.21.71.171 172.67.171.19 2606:4700:3030::ac43:ab13 2606:4700:3032::6815:47ab (AS13335) (address records, no CNAME)
www vs bare domain	Same network c-co.dk: 104.21.71.171 172.67.171.19 2606:4700:3030::ac43:ab13 2606:4700:3032::6815:47ab (AS13335) www.c-co.dk: 104.21.71.171 172.67.171.19 2606:4700:3030::ac43:ab13 2606:4700:3032::6815:47ab (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2405860324
Primary NS (MNAME)	ali.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#

34ms

35ms

32ms

AAAA

33ms

TXT

100ms

CAA

34ms

HTTPS

33ms

TLSA

511ms

SOA

33ms

MTA-STS

35ms

DNSSEC

78ms

SRV

0ms

Total

912ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:37:44	1584ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 23:42:47	1109ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 13:57:37	895ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 18:04:48	1002ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 20:46:29	2763ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 01:56:37	10067ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 18:16:27	1683ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 01:55:59	1369ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 08:46:04	5692ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 01:12:26	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:50:10 shown	912ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:40:55	2692ms	2 NS 2 A 1 MX	🔓 Insecure