telfa.dk
Last scanned: 2026-09-03 19:37:07  ·  9392ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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 Records
🌍
No A records found
📧 MX Records1 records   59ms
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 Records1 records   152ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (telfa.dk)
-all (hard fail) v=spf1 -all
📨 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)
🔐 DNSSEC9099ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-19 00:05:57
FieldValue
RegistrarONE.COM A/S
Registered2002-10-03
Expires2026-12-31 (112d)
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
38ms
MX
59ms
AAAA
34ms
TXT
152ms
CAA
37ms
HTTPS
30ms
TLSA
30ms
SOA
0ms
MTA-STS
66ms
DNSSEC
9099ms
SRV
61ms
Total
9392ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 19:37:07 9392ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-14 21:52:35 542ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-18 23:59:57 495ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-14 06:47:40 537ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-26 22:07:52 952ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-26 09:32:46 497ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-17 23:49:44 546ms 2 NS 0 A 0 MX 🔒 Secure View
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