3aktiv.dk

📜 Historical scan 2026-10-08 20:23:50  ·  ← 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   275ms

🌍 A Records#

2 records   270ms
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   275ms

🔷 AAAA Records (IPv6)#

2 records   188ms

🔐 HTTPS Records#

1 records   165ms
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   593ms
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   531ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 56315B43B892E9AEE184919EC6A5821C…
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 56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk DANE-EE · SPKI · SHA-256 D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

454ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

183ms
FieldValue
Serial2416942487
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 (392d)

🔗 Same registrant#

12 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
275ms
A
270ms
MX
275ms
AAAA
188ms
TXT
593ms
CAA
239ms
HTTPS
165ms
TLSA
531ms
SOA
183ms
MTA-STS
318ms
DNSSEC
454ms
SRV
296ms
Total
4003ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 07:48:21 2130ms 2 NS 2 A 3 MX 🔒 Secure
2026-10-08 20:23:50 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone