cat-app.dk

📜 Historical scan 2026-09-21 09:22:07 · ← 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 133ms

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 88ms

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 138ms

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 99ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.106,172.67.148.197 ech=AEX+DQBBDAAgACCPjZSCfPq5jK0mRjEE7rO6VsnZZodFVuqItg8HBaU2ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:94c5,2606:4700:3037::6815:b6a

📝 TXT Records#

1 records 300ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cat-app.dk	56qk2904URUKWbKvrvsABAQHIcSh3kAHanZ6Re194Ec
TXT	_acme-challenge.cat-app.dk	lTSLSXJfw7NB5wAHs7H8jz0AzwN3tkKhU_g_Sxmk3TI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

414ms

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	2415360759
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#

133ms

88ms

96ms

AAAA

138ms

TXT

300ms

CAA

83ms

HTTPS

99ms

TLSA

534ms

SOA

0ms

MTA-STS

92ms

DNSSEC

414ms

SRV

218ms

Total

1529ms

🕐 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 shown	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	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