tudsborgholding.dk
Last scanned: 2026-09-04 10:12:16  ·  389ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   46ms
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)
🔐 DNSSEC62ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-11 08:32:26
FieldValue
RegistrarONE.COM A/S
Registered2020-07-15
Expires2027-07-31 (326d)
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
47ms
MX
46ms
AAAA
39ms
TXT
151ms
CAA
49ms
HTTPS
43ms
TLSA
31ms
SOA
0ms
MTA-STS
46ms
DNSSEC
62ms
SRV
60ms
Total
389ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 10:12:16 389ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 10:00:05 808ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 03:45:22 8501ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 09:47:33 4492ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 21:12:26 666ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 08:32:13 693ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 14:42:50 25071ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 16:15:55 546ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 21:09:41 528ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:51:42 1621ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone