cdon.dk

📜 Historical scan 2026-09-25 03:25:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cdon.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, martin.ns.cloudflare.com). It was registered on 25 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.4.57 is hosted by Cloudflare, Inc. (AS13335). 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.4.57	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.5.57	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:439	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:539	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.4.57,104.18.5.57 ipv6hint=2606:4700::6812:439,2606:4700::6812:539

📝 TXT Records#

7 records 168ms

TXT Record
_c0nlkvmsh1dufaibcx3muifmj3v19wq
7jdld2ka5gavmovka4cr38rgmj
crk2fb6hmmfh9448jjqtfgnnal
google-site-verification=cXVsjgEFlc3Erk1GIz7EbdhYeU9i3mdsjz7mP_Ahw2c
google-site-verification=jkrQKMW47SoO9s1oQ-2CUxGCwqxyAdQ4ghUopwjSV7k
google-site-verification=LJcserxZr5mt-iMIHNLD7wZktNX_GM9-lVP4yttIPwY
v=spf1 ip4:193.44.77.163 include:bounce.cdongroup.com -all

✉️ SPF#

Policy	Record (cdon.dk)
-all (hard fail)	v=spf1 ip4:193.44.77.163 include:bounce.cdongroup.com -all

📨 DMARC#

Policy	Record (_dmarc.cdon.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:teqjccrn@ag.eu.dmarcadvisor.com; ruf=mailto:teqjccrn@fr.eu.dmarcadvisor.com; fo=1;

📬 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 18:32:10

www	104.18.4.57 104.18.5.57 2606:4700::6812:439 2606:4700::6812:539 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cdon.dk: 104.18.4.57 104.18.5.57 2606:4700::6812:439 2606:4700::6812:539 (AS13335) www.cdon.dk: 104.18.4.57 104.18.5.57 2606:4700::6812:439 2606:4700::6812:539 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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 include:bounce.cdongroup.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cdon.dk	GrqdTM6_-uTUPLDCVwL29neoAzFFNzo0oY-w9Z8bnb0
TXT	_acme-challenge.cdon.dk	lr-W78VikyZE_o2OdKThERd4itxx2VppuVIHgAhIgjU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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	2415766086
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 07:39:36

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	1999-01-25
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

41ms

AAAA

48ms

TXT

168ms

CAA

51ms

HTTPS

49ms

TLSA

69ms

SOA

0ms

MTA-STS

67ms

DNSSEC

117ms

SRV

61ms

Total

680ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 18:32:10	558ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-06 07:22:32	1666ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 06:46:42	515ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 04:46:56	1721ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 04:25:11	720ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 04:01:11	716ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 03:25:06 shown	680ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 01:18:55	1226ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 07:39:42	671ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 02:26:13	956ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 21:41:42	8854ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-23 19:38:52	8966ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 15:54:50	1921ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 12:25:56	2708ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 19:56:12	2401ms	2 NS 2 A 0 MX	🔓 Insecure