isocert.dk
Last scanned: 2026-09-03 14:08:31  ·  421ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   25ms
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   26ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover87.116.13.123
🔶 Autoconfig87.116.13.123
🔷 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)
🔐 DNSSEC100ms
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
28ms
A
25ms
MX
26ms
AAAA
24ms
TXT
143ms
CAA
29ms
HTTPS
23ms
TLSA
39ms
SOA
0ms
MTA-STS
45ms
DNSSEC
100ms
SRV
47ms
Total
421ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 14:08:31 421ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-30 06:18:24 394ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 09:05:09 581ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 20:31:40 1001ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 08:22:11 8471ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 22:23:07 638ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 00:56:31 507ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 16:29:03 590ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 03:16:46 1016ms 2 NS 1 A 4 MX 🔒 Secure View
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