idsu.dk
Last scanned: 2026-08-11 22:09:04  ·  1267ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   229ms
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   301ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.185.159.144 43200s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States New York
198.185.159.145 43200s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States —
198.49.23.144 43200s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
198.49.23.145 43200s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
📧 MX Records1 records   235ms
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)
🔐 DNSSEC400ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
229ms
A
301ms
MX
235ms
AAAA
308ms
TXT
439ms
CAA
314ms
HTTPS
255ms
TLSA
223ms
SOA
0ms
MTA-STS
301ms
DNSSEC
400ms
SRV
297ms
Total
1267ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 22:09:04 1267ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-23 03:17:34 4648ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-18 12:32:42 1392ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-15 22:43:17 4590ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-14 14:45:34 583ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-21 09:38:18 1991ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-18 13:43:46 825ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-17 14:37:49 298ms 0 NS 0 A 0 MX ❓ Unknown View
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