osdevgrp.dk
Last scanned: 2026-08-26 09:40:35  ·  527ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
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
13.69.228.3 3600s — AS8075 Microsoft Corporation 13.64.0.0/11 🇮🇪 Ireland Dublin
📧 MX Records1 records   70ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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
TXT _acme-challenge.osdevgrp.dk 0MN3-EAG0K8TJXA4KFqgur_5emZye1_-8s-XY0kljGc
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
38ms
A
43ms
MX
70ms
AAAA
39ms
TXT
162ms
CAA
65ms
HTTPS
50ms
TLSA
55ms
SOA
0ms
MTA-STS
57ms
DNSSEC
86ms
SRV
73ms
Total
527ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 09:40:35 527ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 05:38:24 666ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-03 05:19:44 4553ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 13:46:34 576ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 05:06:23 826ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 09:12:57 685ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 18:56:18 1029ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 08:11:08 620ms 2 NS 1 A 0 MX 🔒 Secure View
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