studieteknikker.dk
Last scanned: 2026-09-02 23:44:13  ·  4506ms 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   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18
🔷 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)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA47ms
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
43ms
A
46ms
MX
44ms
AAAA
40ms
TXT
198ms
CAA
49ms
HTTPS
63ms
TLSA
50ms
SOA
47ms
MTA-STS
63ms
DNSSEC
82ms
SRV
78ms
Total
4506ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 23:44:13 4506ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 21:27:28 526ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 11:48:42 499ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 07:39:51 2133ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 03:36:08 4585ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 12:59:34 2074ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 21:31:09 9497ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 05:04:29 673ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 02:53:36 8710ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 21:37:55 553ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:07:12 547ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 00:52:07 1187ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-24 00:47:39 679ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 07:55:42 490ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 18:38:13 1035ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 05:34:57 478ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:44:39 486ms 2 NS 1 A 0 MX 🔒 Secure View
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