dndmastery.dk
Last scanned: 2026-08-26 20:04:13  ·  587ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
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
216.198.79.1 3600s — AS16509 Amazon.com, Inc. 216.198.79.0/24 🇺🇸 United States —
📧 MX Records1 records   47ms
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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081901
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
39ms
A
43ms
MX
47ms
AAAA
39ms
TXT
200ms
CAA
50ms
HTTPS
59ms
TLSA
54ms
SOA
0ms
MTA-STS
56ms
DNSSEC
82ms
SRV
61ms
Total
587ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 20:04:13 587ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 19:17:19 8729ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 17:38:59 577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 01:52:10 9052ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 01:28:48 4571ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 00:32:23 8586ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 07:56:24 1058ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 02:58:39 7287ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 03:55:16 382ms 2 NS 1 A 0 MX 🔓 Insecure View
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