square1system.dk
Last scanned: 2026-09-03 17:28:19  ·  436ms 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   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.140.166 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 🇺🇸 United States —
📧 MX Records1 records   42ms
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)
🔐 DNSSEC60ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083101
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
32ms
MX
42ms
AAAA
36ms
TXT
158ms
CAA
34ms
HTTPS
44ms
TLSA
51ms
SOA
0ms
MTA-STS
44ms
DNSSEC
60ms
SRV
49ms
Total
436ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 17:28:19 436ms 2 NS 1 A 1 MX 🔒 Secure View
2026-09-01 04:27:13 387ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 20:36:25 833ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-27 08:42:05 877ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-26 06:56:00 841ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-19 13:05:56 868ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-18 05:42:33 4215ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-29 15:54:25 748ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 15:55:12 569ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 03:10:23 810ms 2 NS 1 A 4 MX 🔒 Secure View
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