techteori.dk
Last scanned: 2026-09-05 12:06:07  ·  903ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   20ms
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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
95.166.171.238 3600s 95-166-171-238-static.dk.customer.tdc.net AS3292 TDC Holding A/S 95.166.128.0/17 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   32ms
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)
🔐 DNSSEC74ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090401
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
20ms
A
33ms
MX
32ms
AAAA
39ms
TXT
151ms
CAA
38ms
HTTPS
28ms
TLSA
501ms
SOA
0ms
MTA-STS
58ms
DNSSEC
74ms
SRV
65ms
Total
903ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 12:06:07 903ms 2 NS 1 A 1 MX 🔒 Secure View
2026-09-04 09:02:17 682ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 08:27:21 4631ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 05:52:38 578ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 16:41:21 2155ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 15:17:30 8755ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 02:54:02 776ms 2 NS 1 A 4 MX 🔒 Secure View
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