cozmosystems.dk

📜 Historical scan 2026-09-14 22:00:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cozmosystems.dk is a .dk domain served by 2 nameservers (earl.ns.cloudflare.com, elsa.ns.cloudflare.com). It was registered on 1 September 2026 (WHOIS) and first appeared in the .dk zone on 2 September 2026. Its website address 104.21.37.230 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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   101ms
NameserverIP addressesPTRASN / ISP
earl.ns.cloudflare.com 108.162.193.161
172.64.33.161
173.245.59.161
2606:4700:58::adf5:3ba1
2803:f800:50::6ca2:c1a1
2a06:98c1:50::ac40:21a1		 earl.ns.cloudflare.com
earl.ns.cloudflare.com
earl.ns.cloudflare.com
earl.ns.cloudflare.com
earl.ns.cloudflare.com
earl.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
elsa.ns.cloudflare.com 108.162.192.111
172.64.32.111
173.245.58.111
2606:4700:50::adf5:3a6f
2803:f800:50::6ca2:c06f
2a06:98c1:50::ac40:206f		 elsa.ns.cloudflare.com
elsa.ns.cloudflare.com
elsa.ns.cloudflare.com
elsa.ns.cloudflare.com
elsa.ns.cloudflare.com
elsa.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   120ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.37.230 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.214.173 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   143ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3036::ac43:d6ad 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:25e6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   106ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.230,172.67.214.173 ech=AEX+DQBBwQAgACC2dxJWUAMy0KINyWXI7asJyxPUVy2HQomCjvJzUWx/PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:d6ad,2606:4700:3037::6815:25e6

📝 TXT Records#

1 records   301ms
TXT Record
google-site-verification=OPggitdK5KrbaceWD5oQpPHuKUX87l9cSaudDqTzLGs

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-23 21:13:38
www104.21.37.230 172.67.214.173 2606:4700:3036::ac43:d6ad 2606:4700:3037::6815:25e6 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-cozmosystems-dk._domainkey.cozmosystems.d-v1.dkim.mail.microsoft RSA · ~2048 bit
selector2 selector2-cozmosystems-dk._domainkey.cozmosystems.d-v1.dkim.mail.microsoft 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.

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.cozmosystems.dk 0yo4zHM3WK_umGHHS3WlWEFLptPR6CRn711x5AKvetA
TXT _acme-challenge.cozmosystems.dk w1dHNbU75Y0wKQShTITY9cXH4CRbAo_xOmsJdvN-HoU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

178ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2414558705
Primary NS (MNAME)earl.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 00:34:47
FieldValue
RegistrarSimply.com A/S
Registered2026-09-01
Expires2027-08-31 (310d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
101ms
A
120ms
MX
128ms
AAAA
143ms
TXT
301ms
CAA
121ms
HTTPS
106ms
TLSA
349ms
SOA
0ms
MTA-STS
119ms
DNSSEC
178ms
SRV
151ms
Total
1659ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 21:13:38 2906ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-22 15:07:15 608ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-21 00:24:34 1398ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-02 14:47:29 3323ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 14:40:33 1203ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 15:24:59 1073ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 14:52:56 1710ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-23 21:05:34 1163ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-14 22:00:02 shown 1659ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-07 20:17:05 714ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-02 08:56:38 470ms 3 NS 0 A 0 MX 🔒 Secure
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