holtcnc.dk
Last scanned: 2026-09-06 06:23:30  ·  620ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
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   79ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.63.207.223 3600s 87-63-207-223-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.62.0.0/15 🇩🇰 Denmark Aarhus
📧 MX Records
📧
No MX records found
🔷 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)
🔐 DNSSEC137ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090501
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
45ms
A
79ms
MX
69ms
AAAA
69ms
TXT
176ms
CAA
60ms
HTTPS
60ms
TLSA
67ms
SOA
0ms
MTA-STS
84ms
DNSSEC
137ms
SRV
76ms
Total
620ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-06 06:23:30 620ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-20 12:34:54 4589ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-07 09:40:47 8568ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-17 07:07:22 603ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-08 10:11:33 538ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-26 15:16:44 471ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 22:05:10 1910ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 12:58:02 3909ms 2 NS 1 A 0 MX 🔒 Secure View
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