matematiskdannelse.dk
Last scanned: 2026-09-02 13:29:22  ·  514ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.23 3600s webcluster1.webpod12-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   32ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10a:bb:e612:ce36:4351 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082601
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
42ms
A
52ms
MX
42ms
AAAA
32ms
TXT
169ms
CAA
70ms
HTTPS
52ms
TLSA
62ms
SOA
0ms
MTA-STS
72ms
DNSSEC
86ms
SRV
69ms
Total
514ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 13:29:22 514ms 2 NS 1 A 1 MX 🔒 Secure View
2026-09-01 05:57:06 461ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 09:07:43 522ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 00:35:03 438ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 23:14:43 495ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 22:22:25 765ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 22:14:26 2230ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-19 21:04:58 5136ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 05:43:01 1753ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-22 16:37:15 1208ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 18:22:40 685ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 13:07:08 3060ms 2 NS 1 A 4 MX 🔒 Secure View
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