just-whistle.dk
Last scanned: 2026-06-27 22:12:07  ·  1036ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   71ms
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   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.151.30.137 3600s 185-151-30-137.ptr4.stackcp.net AS48254 20i Limited 185.151.28.0/22 🇬🇧 United Kingdom —
📧 MX Records1 records   142ms
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
🔶 Autoconfig185.151.30.137
🔷 AAAA Records (IPv6)1 records   138ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a07:7800::137 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   498ms
TXT Record
v=spf1 include:spf.stackmail.com a mx -all
✉️ SPF
PolicyRecord (just-whistle.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)
🔐 DNSSEC79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA52ms
FieldValue
Serial1634712828
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
71ms
A
58ms
MX
142ms
AAAA
138ms
TXT
498ms
CAA
55ms
HTTPS
52ms
TLSA
118ms
SOA
52ms
MTA-STS
177ms
DNSSEC
79ms
SRV
204ms
Total
1036ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 22:12:07 1036ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 22:43:04 5484ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 20:46:17 991ms 4 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone