trekronergadefreinetskole.dk
Last scanned: 2026-08-30 00:03:33  ·  1043ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   132ms
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   144ms
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   90ms
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)
🔐 DNSSEC260ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
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
132ms
A
144ms
MX
90ms
AAAA
90ms
TXT
331ms
CAA
165ms
HTTPS
132ms
TLSA
179ms
SOA
0ms
MTA-STS
168ms
DNSSEC
260ms
SRV
142ms
Total
1043ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 00:03:33 1043ms 2 NS 4 A 1 MX 🔒 Secure View
2026-08-08 20:47:58 4635ms 2 NS 4 A 1 MX 🔒 Secure View
2026-08-05 02:56:02 839ms 2 NS 4 A 1 MX 🔒 Secure View
2026-07-28 12:34:17 1589ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-30 19:47:51 589ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-27 20:13:03 554ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-22 06:02:57 483ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-21 22:57:19 509ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-21 20:08:43 1058ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:22:51 1836ms 2 NS 4 A 0 MX 🔒 Secure View
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