mathcore.dk
📜 Historical scan 2026-06-27 18:46:10  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   169ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10 ns01.one.com AS197495 One.com A/S
ns02.one.com — — —
🌍 A Records1 records   230ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.210.56.201 43200s — AS202914 Adeo Datacenter ApS 91.210.56.0/24 🇩🇰 Denmark —
📧 MX Records4 records   255ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod14-cph3.one.com 185.10.9.212 mx1.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod14-cph3.one.com 185.10.9.213 mx2.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod14-cph3.one.com 185.10.9.214 mx3.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod14-cph3.one.com 185.10.9.215 mx4.pub.mailpod14-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 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 / DANE4 records   246ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
🔐 DNSSEC283ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA208ms
FieldValue
Serial2026032501
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
169ms
A
230ms
MX
255ms
AAAA
137ms
TXT
316ms
CAA
195ms
HTTPS
229ms
TLSA
246ms
SOA
208ms
MTA-STS
246ms
DNSSEC
283ms
SRV
245ms
Total
1140ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:56:51 795ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-25 07:06:52 6161ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-23 07:55:05 5275ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-27 18:46:10 1140ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 15:19:06 1258ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 01:43:46 1569ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 23:11:37 863ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 06:29:18 743ms 2 NS 1 A 4 MX 🔒 Secure View
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