tfcbt.dk
Last scanned: 2026-08-29 23:47:52  ·  419ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.167 3600s webcluster2.webpod14-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   25ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   25ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10c:80f8:ed5f:2af5:6052 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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082902
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-19 09:13:27
FieldValue
RegistrarONE.COM A/S
Registered2023-09-12
Expires2026-09-11 (9d)
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
31ms
MX
25ms
AAAA
25ms
TXT
116ms
CAA
25ms
HTTPS
26ms
TLSA
54ms
SOA
0ms
MTA-STS
36ms
DNSSEC
100ms
SRV
32ms
Total
419ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 23:47:52 419ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 16:17:32 723ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 12:40:56 1795ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 06:21:43 1731ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 09:12:42 567ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 04:31:37 6469ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 19:13:12 482ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 19:21:56 565ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 02:39:17 674ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:37:21 1001ms 2 NS 1 A 0 MX 🔒 Secure View
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