danopen.dk
Last scanned: 2026-09-01 16:03:17  ·  2621ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   29ms
NameserverIP addressesPTRASN / ISP
ns1.stackdns.com 35.197.225.59 59.225.197.35.bc.googleusercontent.com AS396982 Google LLC
ns2.stackdns.com 146.148.28.88 88.28.148.146.bc.googleusercontent.com AS396982 Google LLC
ns3.stackdns.com 35.198.79.191 191.79.198.35.bc.googleusercontent.com AS396982 Google LLC
ns4.stackdns.com 104.196.137.209 209.137.196.104.bc.googleusercontent.com AS396982 Google LLC
🌍 A Records1 records   168ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.151.30.211 3600s 185-151-30-211.ptr4.stackcp.net AS48254 20i Limited 185.151.28.0/22 🇬🇧 United Kingdom —
📧 MX Records1 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.stackmail.com 185.151.28.67 mx.stackmail.com AS48254 20i Limited
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.stackmail.com → 45.8.227.100
🔶 Autoconfig185.151.30.211
🔷 AAAA Records (IPv6)1 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a07:7800::211 3600s — AS48254 20i Limited 2a07:7800:0:0:0:0:0:0/46 🇬🇧 United Kingdom —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   452ms
TXT Record
v=spf1 include:spf.stackmail.com a mx -all
✉️ SPF
PolicyRecord (danopen.dk)
-all (hard fail) v=spf1 include:spf.stackmail.com a mx -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)
🔐 DNSSEC2068ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1719639837
Primary NS (MNAME)ns1.stackdns.com
Responsible (RNAME)hostmaster@stackdns.com
Refresh1800s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
168ms
MX
81ms
AAAA
71ms
TXT
452ms
CAA
67ms
HTTPS
160ms
TLSA
124ms
SOA
0ms
MTA-STS
129ms
DNSSEC
2068ms
SRV
231ms
Total
2621ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 16:03:17 2621ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 12:47:55 1108ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 21:49:31 3521ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 10:17:48 1146ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 23:44:26 1093ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 00:31:14 946ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 00:21:24 10323ms 0 NS 0 A 0 MX ❓ Unknown View
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