3aktiv.dk

📜 Historical scan 2026-06-27 18:04:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3aktiv.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was registered on 17 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.0.75 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 3 more. The zone is DNSSEC-signed and validates, 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   241ms

🌍 A Records#

2 records   201ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.18.0.75 300s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —
104.18.1.75 300s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —

📧 MX Records#

5 records   234ms

🔷 AAAA Records (IPv6)#

2 records   232ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700::6812:14b 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700::6812:4b 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —

🔐 HTTPS Records#

1 records   253ms
PriorityTargetSvcParams
1 service . alpn="h2" ipv4hint=104.18.0.75,104.18.1.75 ipv6hint=2606:4700::6812:4b,2606:4700::6812:14b

📝 TXT Records#

2 records   491ms
TXT Record
MS=ms75498426
v=spf1 include:_spf22130.spfprotect.com -all

✉️ SPF#

PolicyRecord (3aktiv.dk)
-all (hard fail) v=spf1 include:_spf22130.spfprotect.com -all

📨 DMARC#

PolicyRecord (_dmarc.3aktiv.dk)
p=reject v=DMARC1; p=reject; rua=mailto:611e7677625a7@dmarc.centerasecurity.com;

📬 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 2026-10-16 07:48:21
www104.18.0.75 104.18.1.75 2606:4700::6812:14b 2606:4700::6812:4b (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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

8 records   346ms
Service / OwnerTypeCert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC#

476ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

434ms
FieldValue
Serial2407359835
Primary NS (MNAME)algin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 10:44:35
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-11-17
Expires2027-11-16 (387d)

🔗 Same registrant#

21 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
241ms
A
201ms
MX
234ms
AAAA
232ms
TXT
491ms
CAA
239ms
HTTPS
253ms
TLSA
346ms
SOA
434ms
MTA-STS
280ms
DNSSEC
476ms
SRV
260ms
Total
2417ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 07:48:21 2130ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-08 20:23:50 4003ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-06 20:17:18 602ms 2 NS 2 A 3 MX 🔒 Secure
2026-09-16 20:25:13 1136ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-21 19:56:32 10776ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-18 17:52:16 7416ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-09 04:48:49 1660ms 2 NS 2 A 3 MX 🔒 Secure
2026-08-03 01:25:29 3547ms 2 NS 2 A 3 MX 🔒 Secure
2026-07-28 14:30:12 11490ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-04 22:38:11 4030ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-27 18:04:45 shown 2417ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-24 17:58:06 1530ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-20 02:07:50 985ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-19 17:07:48 1428ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-16 13:12:37 1641ms 2 NS 2 A 5 MX 🔒 Secure
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