leitner.dk
Last scanned: 2026-08-12 17:50:09  ·  3241ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   237ms
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 Records
🌍
No A records found
📧 MX Records5 records   246ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 142.251.127.27
2a00:1450:4001:c21::1a		 lcfrai-in-f27.1e100.net
lcfrai-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c01::1a		 rd-in-f26.1e100.net
rd-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 142.251.127.26
2a00:1450:4001:c21::1a		 lcfrai-in-f26.1e100.net
lcfrai-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 172.253.148.27
2a00:1450:4025:4401::1b		 yuskedq-in-f27.1e100.net
yuskedq-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c01::1a		 rd-in-f26.1e100.net
rd-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   497ms
TXT Record
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (leitner.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~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)
🔐 DNSSEC404ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ 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
237ms
A
229ms
MX
246ms
AAAA
250ms
TXT
497ms
CAA
238ms
HTTPS
261ms
TLSA
225ms
SOA
0ms
MTA-STS
292ms
DNSSEC
404ms
SRV
284ms
Total
3241ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 17:50:09 3241ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-19 03:22:13 1080ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-14 22:15:11 3048ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-26 09:18:38 673ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-25 01:21:22 3272ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-23 17:48:40 932ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 03:02:59 844ms 2 NS 0 A 5 MX 🔒 Secure View
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