3x4x.dk
Last scanned: 2026-08-27 20:14:31  ·  1405ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   52ms
NameserverIP addressesPTRASN / ISP
ns1.safebrands.fr 193.227.117.17
2a04:2b00:14cc::17		 —
ns17.i.centralnic-dns.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns2.safebrands.eu 194.50.187.18
2a04:2b00:14dd::18		 —
ns18.j.centralnic-dns.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns3.safebrands.com 194.0.182.19
2a04:2b00:14ee::19		 —
ns19.k.centralnic-dns.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns4.safebrands.org 193.227.117.20
2a04:2b00:14cc::20		 —
ns20.i.centralnic-dns.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns5.safebrands.tech 194.50.187.21
2a04:2b00:14dd::21		 —
ns21.j.centralnic-dns.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
🌍 A Records2 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.22.145.230 300s — AS16509 Amazon.com, Inc. 5.22.145.0/24 🇩🇪 Germany —
5.22.145.247 300s — AS16509 Amazon.com, Inc. 5.22.145.0/24 🇩🇪 Germany —
📧 MX Records1 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
0 33200s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)2 records   56ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:18e0:5:2:f015:6b46:7bb3:1c36 300s relay.mail-forwarder.io AS16509 Amazon.com, Inc. 2a00:18e0:5:0:0:0:0:0/48 🇩🇪 Germany —
2a00:18e0:5:3:a356:6a4c:7d74:3f0b 300s relay.mail-forwarder.io AS16509 Amazon.com, Inc. 2a00:18e0:5:0:0:0:0:0/48 🇩🇪 Germany —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   333ms
TXT Record
v=spf1 -All
✉️ SPF
PolicyRecord (3x4x.dk)
-all (hard fail) v=spf1 -All
📨 DMARC
PolicyRecord (_dmarc.3x4x.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:29c0317f@inbox.eu.redsift.cloud; ruf=mailto:29c0317f@inbox.eu.redsift.cloud; adkim=s; aspf=s; fo=0; rf=afrf; ri=3600
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC108ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025072900
Primary NS (MNAME)ns1.safebrands.fr
Responsible (RNAME)tech@brandshelter.com
Refresh28800s
Retry14400s
Expire3600000s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
63ms
MX
66ms
AAAA
56ms
TXT
333ms
CAA
61ms
HTTPS
69ms
TLSA
161ms
SOA
0ms
MTA-STS
102ms
DNSSEC
108ms
SRV
99ms
Total
1405ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:14:31 1405ms 5 NS 2 A 1 MX 🔓 Insecure View
2026-08-16 18:11:22 13036ms 5 NS 2 A 1 MX 🔓 Insecure View
2026-06-25 18:20:01 1359ms 5 NS 2 A 1 MX 🔓 Insecure View
2026-06-24 03:56:54 959ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:14:09 2650ms 5 NS 2 A 0 MX 🔓 Insecure View
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