ndupont.dk
Last scanned: 2026-09-01 12:19:02  ·  1023ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
🌍 A Records1 records   43ms
📧 MX Records1 records   50ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover212.237.249.18
🔶 Autoconfig212.237.249.18
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   213ms
TXT Record
t-verify=5b94d29c02790abb92b132679b15db28
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (ndupont.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.ndupont.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS376ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.tutanota.de
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE1 records   171ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC149ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026010707
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
43ms
MX
50ms
AAAA
47ms
TXT
213ms
CAA
67ms
HTTPS
54ms
TLSA
171ms
SOA
0ms
MTA-STS
376ms
DNSSEC
149ms
SRV
74ms
Total
1023ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 12:19:02 1023ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 11:14:35 798ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 11:41:40 945ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 02:40:35 833ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone