letmail.dk
Last scanned: 2026-08-26 13:10:29  ·  1437ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
116.203.177.144 3600s mail.letmail.dk AS24940 Hetzner Online GmbH 116.202.0.0/15 🇩🇪 Germany Nuremberg
📧 MX Records2 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.letmail.dk 116.203.177.144
2a01:4f8:1c18:1d47::1		 mail.letmail.dk
mail.letmail.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
50 3600s mxbackup.letmail.dk 2a01:4f9:c013:b985::1
95.216.197.75		 mxbackup.letmail.dk
mxbackup.letmail.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.letmail.dk → 116.203.177.144
🔶 Autoconfigmail.letmail.dk → 116.203.177.144
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   184ms
TXT Record
google-site-verification=psUisUaFe0T4MFQ1ePkx0FS8hd3zCVp3j75FRg092as
v=spf1 include:_spf.letmail.dk ~all
✉️ SPF
PolicyRecord (letmail.dk)
~all (soft fail) v=spf1 include:_spf.letmail.dk ~all
📨 DMARC
PolicyRecord (_dmarc.letmail.dk)
p=reject v=DMARC1; p=reject; adkim=r; aspf=r; fo=1; rua=mailto:dmarc-reports@letmail.dk; ruf=mailto:dmarc-forensic@letmail.dk; sp=reject;
📬 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)
🔐 DNSSEC94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
43ms
MX
34ms
AAAA
43ms
TXT
184ms
CAA
32ms
HTTPS
56ms
TLSA
541ms
SOA
0ms
MTA-STS
69ms
DNSSEC
94ms
SRV
68ms
Total
1437ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 13:10:29 1437ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-13 15:55:49 9021ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-13 11:28:45 896ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-01 06:10:39 996ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 06:57:54 1634ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-19 18:40:47 743ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 12:01:33 1308ms 2 NS 1 A 2 MX 🔒 Secure View
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