cklart.dk

📜 Historical scan 2026-08-09 08:02:35  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cklart.dk is a .dk domain served by 2 nameservers (patryk.ns.cloudflare.com, sarah.ns.cloudflare.com). It was registered on 5 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.50 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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   61ms
NameserverIP addressesPTRASN / ISP
patryk.ns.cloudflare.com 108.162.195.122
162.159.44.122
172.64.35.122
2606:4700:58::a29f:2c7a
2803:f800:50::6ca2:c37a
2a06:98c1:50::ac40:237a		 patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sarah.ns.cloudflare.com 108.162.194.218
162.159.38.218
172.64.34.218
2606:4700:50::a29f:26da
2803:f800:50::6ca2:c2da
2a06:98c1:50::ac40:22da		 sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.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   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.21.50 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.196.107 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   60ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:1532 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:c46b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.50,172.67.196.107 ech=AEX+DQBBZgAgACAYdmgCkTsa2PgYW+zQSDaSnvysI4SnvjOrK1NFqHx9DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1532,2606:4700:3036::ac43:c46b

🔌 SRV Records#

1 records   77ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

3 records   216ms
TXT Record
google-site-verification=47oo7hFdJTK-et46elxqe9il9A5CTgINHwq38kpwVDY
protonmail-verification=712c8dcd9a274f5218c6a3771e5d627f47bc1786
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (cklart.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.cklart.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-09 11:49:00
www104.21.21.50 172.67.196.107 2606:4700:3033::6815:1532 2606:4700:3036::ac43:c46b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   78ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

9084ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2411697566
Primary NS (MNAME)patryk.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-07 07:07:09
FieldValue
RegistrarSimply.com A/S
Registered2025-11-05
Expires2026-11-04 (16d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
61ms
A
54ms
MX
43ms
AAAA
60ms
TXT
216ms
CAA
54ms
HTTPS
54ms
TLSA
78ms
SOA
0ms
MTA-STS
79ms
DNSSEC
9084ms
SRV
77ms
Total
10280ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 11:49:00 489ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-07 09:57:43 1326ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-06 04:39:07 3346ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 01:01:15 897ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-17 19:07:00 2279ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-09 08:02:35 shown 10280ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-20 01:20:28 1307ms 2 NS 2 A 2 MX ❓ Unknown
2026-06-29 12:16:43 1124ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 22:35:09 65535ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 21:10:34 2351ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 21:00:28 585ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-16 21:00:07 912ms 2 NS 2 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone