fflabs.dk
Last scanned: 2026-07-22 21:39:59  ·  914ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records2 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.57.42 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.189.31 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   37ms
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
🔷 Autodiscover172.67.189.31
🔶 Autoconfig104.21.57.42
🔷 AAAA Records (IPv6)2 records   31ms
🔐 HTTPS Records1 records   31ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.57.42,172.67.189.31 ech=AEX+DQBBvwAgACC8bFRG/HGtd0OTaBGDGE/0zbgDA8OiWW/uFaEg6uJvEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:bd1f,2606:4700:3037::6815:392a
📝 TXT Records1 records   178ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (fflabs.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   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC60ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410155729
Primary NS (MNAME)jobs.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
31ms
A
40ms
MX
37ms
AAAA
31ms
TXT
178ms
CAA
36ms
HTTPS
31ms
TLSA
55ms
SOA
0ms
MTA-STS
48ms
DNSSEC
60ms
SRV
50ms
Total
914ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-22 21:39:59 914ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-20 14:08:28 965ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-17 02:45:01 834ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-06 08:40:57 1177ms 3 NS 1 A 1 MX 🔒 Secure View
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