rdcore.dk
Last scanned: 2026-08-26 05:11:51  ·  2549ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
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   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s server15.chosting.dk 178.20.216.107
2a01:7cc0:101:ffff::1:f		 server15.chosting.dk
server15.chosting.dk		 AS21060 Atea A/S
AS21060 Atea A/S
📧 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)
🔐 DNSSEC2072ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080801
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
43ms
A
51ms
MX
45ms
AAAA
57ms
TXT
206ms
CAA
53ms
HTTPS
29ms
TLSA
95ms
SOA
0ms
MTA-STS
70ms
DNSSEC
2072ms
SRV
74ms
Total
2549ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:11:51 2549ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 02:58:28 6152ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 13:53:11 1067ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 01:35:02 818ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 11:34:13 635ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 17:04:12 776ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 22:50:33 1763ms 2 NS 1 A 1 MX 🔒 Secure View
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