3aktiv.dk

📜 Historical scan 2026-08-18 17:52:16  ·  ← 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 1 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   226ms

🌍 A Records#

2 records   261ms
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#

3 records   189ms

🔷 AAAA Records (IPv6)#

2 records   236ms
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   234ms
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   840ms
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#

6 records   406ms
Service / OwnerTypeCert association
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#

575ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2412470349
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 (388d)

🔗 Same registrant#

17 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
226ms
A
261ms
MX
189ms
AAAA
236ms
TXT
840ms
CAA
222ms
HTTPS
234ms
TLSA
406ms
SOA
0ms
MTA-STS
445ms
DNSSEC
575ms
SRV
361ms
Total
7416ms

🕐 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 shown 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 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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