ostenfeldt.dk
Last scanned: 2026-08-12 22:00:18  ·  3875ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   276ms
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 Records4 records   302ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s aspmx.l.google.com 142.251.127.27
2a00:1450:4001:c21::1b		 lcfrai-in-f27.1e100.net
lcfrai-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 43200s 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
10 43200s aspmx2.googlemail.com 142.250.147.26
2a00:1450:4025:c01::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 43200s aspmx3.googlemail.com 172.253.152.27
2a00:1450:4010:c22::1a		 yulpptr-in-f27.1e100.net
yulpptr-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverostenfeldt.dk
🔶 Autoconfigostenfeldt.dk
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.ostenfeldt.dk ostenfeldt.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC450ms
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
276ms
A
263ms
MX
302ms
AAAA
309ms
TXT
531ms
CAA
263ms
HTTPS
265ms
TLSA
211ms
SOA
0ms
MTA-STS
343ms
DNSSEC
450ms
SRV
333ms
Total
3875ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 22:00:18 3875ms 2 NS 0 A 4 MX 🔒 Secure View
2026-07-18 19:37:45 9128ms 2 NS 0 A 4 MX 🔒 Secure View
2026-07-14 06:32:38 17033ms 2 NS 0 A 4 MX 🔒 Secure View
2026-07-13 01:57:42 17057ms 2 NS 0 A 4 MX 🔒 Secure View
2026-06-17 13:39:43 2359ms 2 NS 0 A 4 MX 🔒 Secure View
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