3tech.dk
📜 Historical scan 2026-06-16 12:59:10  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
kurt.ns.cloudflare.com
nadia.ns.cloudflare.com
🌍 A Records2 records   94ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.142 AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.181.103 AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   44ms
🔷 AAAA Records (IPv6)2 records   38ms
🔐 HTTPS Records1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.142,172.67.181.103 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:338e,2606:4700:3034::ac43:b567
📝 TXT Records8 records   110ms
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)
🔐 DNSSEC156ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA43ms
FieldValue
Serial2406797704
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
46ms
A
94ms
MX
44ms
AAAA
38ms
TXT
110ms
CAA
47ms
HTTPS
50ms
TLSA
320ms
SOA
43ms
MTA-STS
96ms
DNSSEC
156ms
SRV
0ms
Total
1959ms
🕐 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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