c-cloud.dk

📜 Historical scan 2026-09-30 09:53:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-cloud.dk is a .dk domain served by 2 nameservers (autumn.ns.cloudflare.com, gabriel.ns.cloudflare.com). It was registered on 17 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.201 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ccloud-dk0c.mail.protection.outlook.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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
autumn.ns.cloudflare.com	108.162.194.148 162.159.38.148 172.64.34.148 2606:4700:50::a29f:2694 2803:f800:50::6ca2:c294 2a06:98c1:50::ac40:2294	autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gabriel.ns.cloudflare.com	108.162.195.244 162.159.44.244 172.64.35.244 2606:4700:58::a29f:2cf4 2803:f800:50::6ca2:c3f4 2a06:98c1:50::ac40:23f4	gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.201	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.197	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ccloud-dk0c.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::a 2a01:111:f403:ca38::a 52.101.209.28 52.101.68.39 52.101.73.120 52.101.73.155	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	172.67.138.197

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3ec9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8ac5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.201,172.67.138.197 ech=AEX+DQBB9wAgACBPo7RKuTJy7YIFFap4JESCo4wLkJgvJ8jRHordHp8VagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3ec9,2606:4700:3035::ac43:8ac5

🔌 SRV Records#

1 records 80ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 240ms

TXT Record
MS=ms86492130
oci-domain-verification=pQHYPYwZGahnAuXq5YyqEEjFOsX0Cg0PYQ9Jp9jIxuL
v=spf1 a mx a:mailgw1.c-system.dk a:zabbix.c-cloud.dk ip4:130.162.220.97 ip4:37.27.223.112 include:spf.protection.outlook.com include:eu.rp.oracleemaildelivery.com include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com -all

✉️ SPF#

Policy	Record (c-cloud.dk)
-all (hard fail)	v=spf1 a mx a:mailgw1.c-system.dk a:zabbix.c-cloud.dk ip4:130.162.220.97 ip4:37.27.223.112 include:spf.protection.outlook.com include:eu.rp.oracleemaildelivery.com include:rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com -all

📨 DMARC#

Policy	Record (_dmarc.c-cloud.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:3ab085580a104191a9b94dd82bd4d47c@dmarc-reports.cloudflare.net

📬 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 15:43:50

www	104.21.62.201 172.67.138.197 2606:4700:3032::6815:3ec9 2606:4700:3035::ac43:8ac5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network c-cloud.dk: 104.21.62.201 172.67.138.197 2606:4700:3032::6815:3ec9 2606:4700:3035::ac43:8ac5 (AS13335) www.c-cloud.dk: 104.21.62.201 172.67.138.197 2606:4700:3032::6815:3ec9 2606:4700:3035::ac43:8ac5 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-ccloud-dk0c._domainkey.outrup.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-ccloud-dk0c._domainkey.outrup.onmicrosoft.com	RSA · ~1024 bit below 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: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.c-cloud.dk	6a0cKuyon88-kjfKoXqhaa4TFxdV-o_suGNCrLSJrHM
TXT	_acme-challenge.c-cloud.dk	6z4VyaluX_H71hddlUouBplirzSNq5ggpw3vh4QxBfg
TXT	_acme-challenge.c-cloud.dk	BRMzrKlYWpZt8Jcgoq8mh8aZ7GhD38i8jWAGrgzrYL0
TXT	_acme-challenge.c-cloud.dk	Z-5tkadfVa1n5e5hhXhyi3YZ0I833WwJ9hr6nb7PFU0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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	2416076815
Primary NS (MNAME)	autumn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 00:12:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-12-17
Expires	2027-07-31 (286d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

43ms

64ms

AAAA

40ms

TXT

240ms

CAA

43ms

HTTPS

35ms

TLSA

177ms

SOA

0ms

MTA-STS

57ms

DNSSEC

72ms

SRV

80ms

Total

779ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:43:50	969ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:47:06	1069ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 09:53:28 shown	779ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 02:14:07	1481ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 01:40:01	1791ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 03:34:33	1116ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 19:28:39	2029ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 05:38:45	2696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 01:22:29	1170ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 19:47:48	965ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 18:56:37	1827ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-05 23:10:21	2423ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-30 19:24:47	18381ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 06:15:31	1323ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 08:40:37	1474ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 19:17:37	1475ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:47:49	505ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:40:21	783ms	2 NS 2 A 1 MX	🔓 Insecure