m3-learning.dk
Last scanned: 2026-08-25 18:30:07  ·  986ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
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   106ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.234 3600s webcluster2.webpod18-cph3.g1i.one AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   82ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   72ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:108:8053:9324:d3c5:3ea 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC224ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
73ms
A
106ms
MX
82ms
AAAA
72ms
TXT
279ms
CAA
97ms
HTTPS
76ms
TLSA
107ms
SOA
0ms
MTA-STS
124ms
DNSSEC
224ms
SRV
100ms
Total
986ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 18:30:07 986ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 19:55:02 2563ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 08:06:11 1154ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 22:30:46 600ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 09:35:09 611ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 12:04:41 1184ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:28:38 475ms 2 NS 1 A 0 MX 🔒 Secure View
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