3u-75.dk

📜 Historical scan 2026-06-16 12:57:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3u-75.dk is a .dk domain served by 2 nameservers (ns1.azehosting.net, ns2.azehosting.net). It was registered on 18 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.144.139 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 3u-75.dk. 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   94ms
NameserverIP addressesPTRASN / ISP
ns1.azehosting.net — — —
ns2.azehosting.net — — —

🌍 A Records#

1 records   125ms
IPTTLPTRASNISP / OrgCIDRCountryCity
168.119.144.139 — cp02.azehosting.net AS24940 Hetzner Online GmbH 168.119.0.0/16 🇩🇪 Germany —

📧 MX Records#

1 records   114ms
PriorityTTLMail ServerIP addressesPTRASN
0 — 3u-75.dk 168.119.144.139 cp02.azehosting.net AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records   129ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:2b02:59b::2 — — AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   309ms
TXT Record
v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

✉️ SPF#

PolicyRecord (3u-75.dk)
~all (soft fail) v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

📨 DMARC#

PolicyRecord (_dmarc.3u-75.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 19:17:30
www CNAME3u-75.dk (all on 3u-75.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

299ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

110ms
FieldValue
Serial2026050101
Primary NS (MNAME)ns1.azehosting.net
Responsible (RNAME)server-admin@azehosting.net
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-11 19:44:01
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-09-18
Expires2027-09-17 (335d)

🔗 Same registrant#

8 domains

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
22-12.dkPunktum dk A/S (direct)
a-m-kunst.dkPunktum dk A/S (direct)
acvirum.dkPunktum dk A/S (direct)
f1-sjov.dkPunktum dk A/S (direct)
me2u.dkPunktum dk A/S (direct)
soederlund.dkPunktum dk A/S (direct)
thungnoi.dkPunktum dk A/S (direct)
tommic.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
94ms
A
125ms
MX
114ms
AAAA
129ms
TXT
309ms
CAA
99ms
HTTPS
98ms
TLSA
205ms
SOA
110ms
MTA-STS
103ms
DNSSEC
299ms
SRV
0ms
Total
1374ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 19:17:30 762ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-02 13:50:24 1530ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-24 12:40:26 2406ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-11 15:46:12 1798ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-03 14:24:18 6603ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-28 10:18:44 861ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 12:57:53 shown 1374ms 2 NS 1 A 1 MX 🔓 Insecure
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