cap4.dk

📜 Historical scan 2026-06-16 19:11:04  ·  ← 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   34ms
NameserverIP addressesPTRASN / ISP
frida.ns.cloudflare.com — — —
maciej.ns.cloudflare.com — — —

🌍 A Records#

2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.2.194 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.129.150 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
0 — cap4-dk.mail.protection.outlook.com 52.101.68.10
52.101.68.36
52.101.73.2
52.101.73.8		 mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-as9pr07cu00302.inbound.protection.outlook.com
mail-am0pr04cu00500.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records   26ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:2c2 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:8196 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   26ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.2.194,172.67.129.150 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2c2,2606:4700:3034::ac43:8196

📝 TXT Records#

3 records   198ms
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#

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

📨 DMARC#

PolicyRecord (_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
www104.21.2.194 172.67.129.150 2606:4700:3035::6815:2c2 2606:4700:3037::ac43:8196 (AS13335) (address records, no CNAME)
www vs bare 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

🔎 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#

101ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

30ms
FieldValue
Serial2406747904
Primary NS (MNAME)frida.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 07:16:41
FieldValue
RegistrarSimply.com A/S
Registered2025-05-23
Expires2031-05-22 (1675d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
capfour.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
34ms
A
27ms
MX
27ms
AAAA
26ms
TXT
198ms
CAA
26ms
HTTPS
26ms
TLSA
2051ms
SOA
30ms
MTA-STS
40ms
DNSSEC
101ms
SRV
0ms
Total
2699ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 2699ms 2 NS 2 A 1 MX 🔓 Insecure
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