matematikhaven.dk
Last scanned: 2026-06-18 03:24:14  ·  847ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   43ms
NameserverIP addressesPTRASN / ISP
ns0.transip.net 195.135.195.195
2a01:7c8:dddd:195::195		 ns0.transip.net
ns0.transip.net		 AS20857 Signet B.V.
AS20857 Signet B.V.
ns1.transip.nl 195.8.195.195
2a01:7c8:7000:195::195		 ns1.transip.nl
ns1.transip.nl		 AS20857 Signet B.V.
AS20857 Signet B.V.
ns2.transip.eu 2a01:7c8:f:c1f::195
37.97.199.195		 ns2.transip.eu
ns2.transip.eu		 AS20857 Signet B.V.
AS20857 Signet B.V.
🌍 A Records1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
65.108.75.61 — wp-05.oefenweb.nl AS24940 Hetzner Online GmbH 65.108.0.0/15 🇫🇮 Finland Helsinki
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover65.108.75.61
🔶 Autoconfig65.108.75.61
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   217ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (matematikhaven.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.matematikhaven.dk)
p=reject v=DMARC1; p=reject; rua=mailto:root+rua@oefenweb.nl; ruf=mailto:root+ruf@oefenweb.nl; fo=1; adkim=s; aspf=s
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records3 records   34ms
FlagsTagValue
0 iodef mailto:root@oefenweb.nl
0 issue sectigo.com
0 issuewild sectigo.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC104ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA34ms
FieldValue
Serial2025110100
Primary NS (MNAME)ns0.transip.net
Responsible (RNAME)hostmaster@transip.nl
Refresh86400s
Retry1800s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
39ms
MX
37ms
AAAA
42ms
TXT
217ms
CAA
34ms
HTTPS
34ms
TLSA
188ms
SOA
34ms
MTA-STS
63ms
DNSSEC
104ms
SRV
103ms
Total
847ms
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