jensduelund.dk
Last scanned: 2026-08-14 07:04:46  ·  685ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   59ms
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 Records4 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.185.159.144 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States New York
198.185.159.145 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States —
198.49.23.144 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
198.49.23.145 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 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)
🔐 DNSSEC74ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
59ms
A
44ms
MX
42ms
AAAA
36ms
TXT
167ms
CAA
77ms
HTTPS
36ms
TLSA
72ms
SOA
0ms
MTA-STS
64ms
DNSSEC
74ms
SRV
69ms
Total
685ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 07:04:46 685ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-15 18:08:59 591ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-11 18:48:54 4662ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-08 12:00:05 1428ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-24 23:24:37 736ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-19 21:38:52 2059ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:25:57 1140ms 4 NS 1 A 1 MX 🔒 Secure View
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