theschool4startups.dk
Last scanned: 2026-09-03 19:04:15  ·  529ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 3600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod12-cph3.one.com 104.37.34.246 mx1.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod12-cph3.one.com 104.37.34.247 mx2.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod12-cph3.one.com 104.37.34.248 mx3.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod12-cph3.one.com 104.37.34.249 mx4.pub.mailpod12-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   107ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (theschool4startups.dk)
-all (hard fail) v=spf1 -all
📨 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 / DANE4 records   46ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
🔐 DNSSEC104ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-08-02 19:18:00
FieldValue
RegistrarONE.COM A/S
Registered2025-01-25
Expires2027-01-24 (138d)
📋 WHOIS
⏱️ Lookup Timing
NS
28ms
A
35ms
MX
28ms
AAAA
29ms
TXT
107ms
CAA
31ms
HTTPS
41ms
TLSA
46ms
SOA
0ms
MTA-STS
43ms
DNSSEC
104ms
SRV
44ms
Total
529ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 19:04:15 529ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-09 18:44:29 1087ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-02 19:17:19 939ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-13 13:08:59 2710ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-03 21:52:05 16847ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-02 20:50:34 9653ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 11:36:55 1389ms 2 NS 1 A 4 MX 🔒 Secure View
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