tdc-net.dk
Last scanned: 2026-08-31 16:56:54  ·  390ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
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   23ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18
🔷 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)
🔐 DNSSEC93ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083005
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
27ms
A
23ms
MX
31ms
AAAA
29ms
TXT
127ms
CAA
29ms
HTTPS
30ms
TLSA
37ms
SOA
0ms
MTA-STS
50ms
DNSSEC
93ms
SRV
49ms
Total
390ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 16:56:54 390ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 10:27:40 4703ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 07:14:38 3094ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 19:51:05 561ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 11:03:57 6572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 15:22:53 765ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-22 05:34:12 1120ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 20:04:36 660ms 2 NS 1 A 4 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone