matematiklæreren.dk xn--matematiklreren-6lb.dk
Last scanned: 2026-08-31 10:37:33  ·  487ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   44ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.43 3600s linux189.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.43
🔶 Autoconfig93.191.156.43
🔷 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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024090403
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
45ms
MX
45ms
AAAA
33ms
TXT
211ms
CAA
44ms
HTTPS
44ms
TLSA
35ms
SOA
0ms
MTA-STS
54ms
DNSSEC
88ms
SRV
59ms
Total
487ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 10:37:33 487ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-08 19:40:35 595ms 4 NS 1 A 0 MX 🔒 Secure View
2026-07-29 09:00:00 750ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-28 03:39:59 974ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-27 03:32:24 797ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-26 03:14:36 1182ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 03:05:02 2758ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 01:10:23 771ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-23 00:45:20 811ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-04 15:26:56 721ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-24 04:46:44 2616ms 4 NS 1 A 0 MX ⚠️ Bogus View
2026-06-22 07:55:49 928ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 06:34:45 894ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-20 19:15:22 1172ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 12:45:15 558ms 4 NS 1 A 0 MX ⚠️ Bogus View
2026-06-18 06:10:27 648ms 4 NS 1 A 0 MX 🔒 Secure View
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