cjc.dk

📜 Historical scan 2026-07-30 23:14:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cjc.dk is a .dk domain served by 2 nameservers (dolly.ns.cloudflare.com, doug.ns.cloudflare.com). It was registered on 24 May 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.0.220 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cjc-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
dolly.ns.cloudflare.com	108.162.192.98 172.64.32.98 173.245.58.98 2606:4700:50::adf5:3a62 2803:f800:50::6ca2:c062 2a06:98c1:50::ac40:2062	dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com dolly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
doug.ns.cloudflare.com	108.162.193.159 172.64.33.159 173.245.59.159 2606:4700:58::adf5:3b9f 2803:f800:50::6ca2:c19f 2a06:98c1:50::ac40:219f	doug.ns.cloudflare.com doug.ns.cloudflare.com doug.ns.cloudflare.com doug.ns.cloudflare.com doug.ns.cloudflare.com doug.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.0.220	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.1.220	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.73.123	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	cjc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.29 52.101.73.11 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

3 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:1dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:497b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.0.220,104.26.1.220,172.67.73.123 ipv6hint=2606:4700:20::681a:dc,2606:4700:20::681a:1dc,2606:4700:20::ac43:497b

🔌 SRV Records#

2 records 112ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.cjc.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

10 records 213ms

TXT Record
\"MS=ms68935799
912af30bc28aa0e6eb6b39ee23db17355f1783bc955ef91823
apple-domain-verification=6zK8G11o2lv4V6NW
d365mktkey=X6un5GxxPx70IwrvrxkgGPHoor1RXuCbOn6BLrzm5fEx
google-site-verification=_SfUFse1W_XUe3gVTbSfs-qc-Naett4PBVbb7BhZJpI
google-site-verification=VzpjY6_VXVp6tyAK9CFv6ulK1qQYNXKxIzX0xnC5lOE
MS=ms68935799
msfpkey=5kiqbu4bzsl0ckigec9ukw0g6
t36c8w5nj56gdpvjxq7qrd9yxlsmdfhz
v=spf1 ip4:87.54.29.239 ip4:87.54.29.222 ip4:212.53.209.141 ip4:154.14.40.86 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.mandrillapp.com include:mail.zendesk.com -all

✉️ SPF#

Policy	Record (cjc.dk)
-all (hard fail)	v=spf1 ip4:87.54.29.239 ip4:87.54.29.222 ip4:212.53.209.141 ip4:154.14.40.86 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.mandrillapp.com include:mail.zendesk.com -all

📨 DMARC#

Policy	Record (_dmarc.cjc.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@cjc.dk;ruf=mailto:dmarc@cjc.dk;

📬 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 2026-10-14 04:49:04

www	104.26.0.220 104.26.1.220 172.67.73.123 2606:4700:20::681a:1dc 2606:4700:20::681a:dc 2606:4700:20::ac43:497b (AS13335) (address records, no CNAME)
www vs bare domain	Same network cjc.dk: 104.26.0.220 104.26.1.220 172.67.73.123 2606:4700:20::681a:1dc (AS13335) www.cjc.dk: 104.26.0.220 104.26.1.220 172.67.73.123 2606:4700:20::681a:1dc (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-cjc-dk._domainkey.ccjensen.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-cjc-dk._domainkey.ccjensen.onmicrosoft.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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cjc.dk	3bd-zfaU8V2digj661cHrlWMEeSHJmJzu2b9t3fISTo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2410882916
Primary NS (MNAME)	dolly.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 16:43:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-05-24
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

40ms

43ms

AAAA

40ms

TXT

213ms

CAA

57ms

HTTPS

37ms

TLSA

162ms

SOA

0ms

MTA-STS

122ms

DNSSEC

134ms

SRV

112ms

Total

1373ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 04:49:04	1188ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-11 22:43:34	1153ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-23 13:06:33	1697ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-16 11:55:59	2021ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-12 06:30:32	1645ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-08 06:52:44	1024ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-06 20:27:21	2630ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-27 02:58:37	891ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-26 02:39:54	2170ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-20 11:14:15	9335ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-14 06:57:20	9352ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-03 04:02:14	9322ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-30 23:14:27 shown	1373ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-27 10:04:32	1521ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-18 15:54:34	25932ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-10 10:43:52	2545ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-27 01:21:31	1422ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-20 07:05:47	940ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-16 22:42:57	65535ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-16 21:21:07	2208ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-16 21:02:58	4521ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-16 21:01:04	939ms	2 NS 3 A 1 MX	🔒 Secure