3tech.dk
Last scanned: 2026-08-26 20:21:52  ·  1507ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
🌍 A Records2 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.142 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.181.103 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   51ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔷 AAAA Records (IPv6)2 records   64ms
🔐 HTTPS Records1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.142,172.67.181.103 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:338e,2606:4700:3032::ac43:b567
📝 TXT Records8 records   240ms
TXT Record
2np78254c19lheg1drk93m4au5
3slu8f0sp63htmr445is94uiag
google-site-verification=NGLMN_ccVe0vfbk48XlXYHjy2-iQ1F2QCrQAc8zhuOQ
hng7jt2mdkn6ok1cev8h34g32p
l8henbaai5qsao811e3ah7au1v
MS=ms83840788
v=spf1 include:spf.protection.outlook.com -all
WB=vavc8tb82U+hR0LTnGpmPg
✉️ SPF
PolicyRecord (3tech.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC138ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411930970
Primary NS (MNAME)kurt.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
68ms
MX
51ms
AAAA
64ms
TXT
240ms
CAA
83ms
HTTPS
46ms
TLSA
659ms
SOA
0ms
MTA-STS
120ms
DNSSEC
138ms
SRV
77ms
Total
1507ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 20:21:52 1507ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-12 07:27:04 2270ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-06 02:26:22 1761ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-28 09:24:51 959ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 12:59:10 1959ms 2 NS 2 A 1 MX 🔓 Insecure View
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