cat-app.dk

📜 Historical scan 2026-07-04 23:53:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cat-app.dk is a .dk domain served by 2 nameservers (april.ns.cloudflare.com, gerald.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.106 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gerald.ns.cloudflare.com	108.162.193.168 172.64.33.168 173.245.59.168 2606:4700:58::adf5:3ba8 2803:f800:50::6ca2:c1a8 2a06:98c1:50::ac40:21a8	gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.106	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.197	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:94c5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:b6a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.106,172.67.148.197 ech=AEX+DQBBOQAgACCMTlLcITJo3vvnqvK/YyNjNWFysNRbIgklGsUY119TfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:94c5,2606:4700:3037::6815:b6a

📝 TXT Records#

1 records 243ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (cat-app.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.cat-app.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-08 14:53:57

www CNAME	darwinian-forest-pf1uj4j1pc67jzt1ke5jq4d2.herokudns.com (all on herokudns.com) → 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509)
www vs bare domain	Different networks cat-app.dk: 104.21.11.106 172.67.148.197 2606:4700:3033::ac43:94c5 2606:4700:3037::6815:b6a (AS13335) www.cat-app.dk: 15.197.129.158 75.2.43.161 76.223.11.49 99.83.217.1 (AS16509) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

147ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

54ms

Field	Value
Serial	2406120517
Primary NS (MNAME)	april.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#

33ms

60ms

46ms

AAAA

47ms

TXT

243ms

CAA

49ms

HTTPS

52ms

TLSA

55ms

SOA

54ms

MTA-STS

113ms

DNSSEC

147ms

SRV

79ms

Total

941ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 12:41:50	622ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 12:24:42	9462ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 06:52:55	1031ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 09:22:07	1529ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 06:03:51	1160ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-07 12:16:28	16757ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-23 13:22:06	1311ms	2 NS 2 A 0 MX	❓ Unknown
2026-07-04 23:53:28 shown	941ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 02:51:12	2680ms	2 NS 2 A 0 MX	⚠️ Bogus
2026-06-21 18:09:36	1091ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 19:45:12	598ms	2 NS 2 A 0 MX	🔓 Insecure