cap4.dk

📜 Historical scan 2026-09-12 08:38:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cap4.dk is a .dk domain served by 2 nameservers (frida.ns.cloudflare.com, maciej.ns.cloudflare.com). It was registered on 23 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.194 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cap4-dk.mail.protection.outlook.com. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
frida.ns.cloudflare.com	108.162.194.137 162.159.38.137 172.64.34.137 2606:4700:50::a29f:2689 2803:f800:50::6ca2:c289 2a06:98c1:50::ac40:2289	frida.ns.cloudflare.com frida.ns.cloudflare.com frida.ns.cloudflare.com frida.ns.cloudflare.com frida.ns.cloudflare.com frida.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maciej.ns.cloudflare.com	108.162.195.42 162.159.44.42 172.64.35.42 2606:4700:58::a29f:2c2a 2803:f800:50::6ca2:c32a 2a06:98c1:50::ac40:232a	maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.194	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.150	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	cap4-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::8 52.101.103.137 52.101.103.143 52.101.185.114 52.101.68.21	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:2c2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8196	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.194,172.67.129.150 ech=AEX+DQBBcAAgACC8dWIIFevhfFxBSa3r9vbK8A6/P7N7NT03KvKr4D1LaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2c2,2606:4700:3037::ac43:8196

📝 TXT Records#

3 records 178ms

TXT Record
google-site-verification=IwgG7u8S_ZLHN0kRukLZ-nylFKWfdWtfM4j3vQSPJjk
slack-domain-verification=HCBE2Etjw8R9M7eHVNhS1dsjAQ5IKqvcgzkUCzz3
v=spf1 include:spf.protection.outlook.com include:147319562.spf08.hubspotemail.net include:spf-eu.emailsignatures365.com ~all

✉️ SPF#

Policy	Record (cap4.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:147319562.spf08.hubspotemail.net include:spf-eu.emailsignatures365.com ~all

📨 DMARC#

Policy	Record (_dmarc.cap4.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-11 14:00:05

www	104.21.2.194 172.67.129.150 2606:4700:3035::6815:2c2 2606:4700:3037::ac43:8196 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cap4.dk: 104.21.2.194 172.67.129.150 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.cap4.dk: 104.21.2.194 172.67.129.150 2606:4700:3035::6815:2c2 2606:4700:3037::ac43:8196 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414455889
Primary NS (MNAME)	frida.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 04:59:18

Field	Value
Registrar	Simply.com A/S
Registered	2025-05-23
Expires	2031-05-22 (1676d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

42ms

50ms

AAAA

45ms

TXT

178ms

CAA

44ms

HTTPS

39ms

TLSA

976ms

SOA

0ms

MTA-STS

62ms

DNSSEC

129ms

SRV

75ms

Total

2307ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 14:00:05	4325ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 06:18:21	3328ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-05 04:18:23	1657ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 04:01:34	3083ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 03:51:34	1641ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 10:34:34	1114ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 09:59:16	975ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 23:17:58	1497ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 02:17:22	3821ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 08:38:42 shown	2307ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 11:52:13	3358ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 19:19:56	1033ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 05:50:34	11231ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 02:14:36	1723ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 02:52:57	3705ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-04 09:51:07	2445ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 21:42:30	1889ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 18:11:13	17874ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 18:56:17	1800ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 20:43:29	10890ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 05:27:38	3117ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 13:59:21	3072ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 19:11:04	2699ms	2 NS 2 A 1 MX	🔓 Insecure