7tech.dk
Last scanned: 2026-08-27 01:37:48  ·  861ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   82ms
🌍 A Records2 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.6.105 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.134.185 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.67.134.185
🔶 Autoconfig104.21.6.105
🔷 AAAA Records (IPv6)2 records   89ms
🔐 HTTPS Records1 records   59ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.6.105,172.67.134.185 ech=AEX+DQBBwQAgACCJq/98h4XBibtJpMwP+KRke6TgId8VdS0G6GYygQlfVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:86b9,2606:4700:3037::6815:669
🔌 SRV Records1 records   105ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   251ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (7tech.dk)
-all (hard fail) v=spf1 include:spf.simply.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 / DANE2 records   116ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2409891356
Primary NS (MNAME)clint.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
82ms
A
56ms
MX
64ms
AAAA
89ms
TXT
251ms
CAA
53ms
HTTPS
59ms
TLSA
116ms
SOA
0ms
MTA-STS
74ms
DNSSEC
121ms
SRV
105ms
Total
861ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:37:48 861ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-19 08:48:18 2204ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-23 15:19:25 1035ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 13:15:41 653ms 2 NS 2 A 1 MX 🔓 Insecure View
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