cd-k.dk

📜 Historical scan 2026-06-16 19:55:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cd-k.dk is a .dk domain served by 2 nameservers (fonzie.ns.cloudflare.com, linda.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.9 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cdk-dk0e.mail.protection.outlook.com, ms19352414.msv1.invalid. 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 77ms

Nameserver	IP addresses	PTR	ASN / ISP
fonzie.ns.cloudflare.com	—	—	—
linda.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.9	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.9	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

2 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cdk-dk0e.mail.protection.outlook.com	52.101.68.36 52.101.68.39 52.101.73.11 52.101.73.19	mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
32767	—	ms19352414.msv1.invalid	—	—	—

🔷 AAAA Records (IPv6)#

2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 73ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.9,188.114.97.9 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::9,2a06:98c1:3121::9

📝 TXT Records#

5 records 187ms

TXT Record
google-site-verification=6IUD2Z1lh50EB6hbOuM9h5Rn0yawbLZM193mLZYG6qU
google-site-verification=XCD3cVdBmR9FcnvcSJAkcCV1G9yXcRhr3V8NKZow614
MS=ms19352414
MS=ms30782987
v=spf1 ipv4:65.108.205.18 ipv6:2a01:4f9:1a:a108:abcd::1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cd-k.dk)
-all (hard fail)	v=spf1 ipv4:65.108.205.18 ipv6:2a01:4f9:1a:a108:abcd::1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cd-k.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:e3b66cfc72b142d88af5486a3e2daa47@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 2026-10-10 11:56:40

www	104.21.20.14 172.67.190.205 2606:4700:3031::ac43:becd 2606:4700:3033::6815:140e (AS13335) (address records, no CNAME)
www vs bare domain	Same network cd-k.dk: 104.21.20.14 172.67.190.205 2606:4700:3031::ac43:becd 2606:4700:3033::6815:140e (AS13335) www.cd-k.dk: 104.21.20.14 172.67.190.205 2606:4700:3031::ac43:becd 2606:4700:3033::6815:140e (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#

1 found

Selector	CNAME	Key
selector1	selector1-cdk-dk0e._domainkey.christianskoreskole.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: 1/10 · policy: -all

error Unknown mechanism "ipv4:65.108.205.18": receivers treat the record as a permanent error
error Unknown mechanism "ipv6:2a01:4f9:1a:a108:abcd::1": receivers treat the record as a permanent error

🔗 TLSA / DANE#

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

🔐 DNSSEC#

188ms

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

🏷️ SOA#

73ms

Field	Value
Serial	2406701573
Primary NS (MNAME)	fonzie.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#

77ms

74ms

76ms

AAAA

76ms

TXT

187ms

CAA

74ms

HTTPS

73ms

TLSA

262ms

SOA

73ms

MTA-STS

76ms

DNSSEC

188ms

SRV

0ms

Total

856ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:56:34	936ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-26 21:52:55	1327ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-21 10:51:45	1736ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-07 08:48:43	1777ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 02:34:41	9868ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-23 06:42:11	1465ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-22 06:34:37	10918ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-10 21:46:45	2501ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-17 08:08:48	9201ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-15 20:43:44	1774ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-24 04:43:41	2290ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-21 07:48:26	1701ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-21 04:34:19	1012ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 19:55:25 shown	856ms	2 NS 2 A 2 MX	🔒 Secure