leit.dk
📜 Historical scan 2026-08-25 23:03:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
🌍 A Records2 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.29.46 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.171.101 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   38ms
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
🔷 Autodiscover104.21.29.46
🔶 Autoconfig104.21.29.46
🔷 AAAA Records (IPv6)2 records   46ms
🔐 HTTPS Records1 records   52ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.29.46,172.67.171.101 ech=AEX+DQBB1wAgACD8CBFFZl+V57z5L9RdL2Q5TKFd9GuhFLvPQYAskgQ6EgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ab65,2606:4700:3033::6815:1d2e
📝 TXT Records1 records   223ms
TXT Record
v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (leit.dk)
-all (hard fail) v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.leit.dk)
p=reject v=DMARC1; p=reject; rua=mailto:m6rawdqp@ag.dmarcian.eu; ruf=mailto:dmarc@leit.dk;
📬 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   70ms
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…
🔐 DNSSEC105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412269940
Primary NS (MNAME)katja.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
47ms
A
53ms
MX
38ms
AAAA
46ms
TXT
223ms
CAA
53ms
HTTPS
52ms
TLSA
70ms
SOA
0ms
MTA-STS
62ms
DNSSEC
105ms
SRV
87ms
Total
677ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:14:11 2640ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-25 23:03:38 677ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-16 08:28:59 1102ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-07 01:33:12 1136ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-10 20:29:03 9193ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-01 13:11:49 900ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-29 17:55:42 869ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-25 20:49:57 938ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 02:29:36 850ms 2 NS 2 A 1 MX 🔓 Insecure View
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