sempa.dk
Last scanned: 2026-08-28 01:56:34  ·  861ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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   79ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.182 3600s webcluster55.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   56ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:80b7:7a0:aa25:3b37 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 / DANE4 records   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
🔐 DNSSEC114ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082205
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-18 23:27:35
FieldValue
RegistrarONE.COM A/S
Registered2001-03-22
Expires2027-03-31 (210d)
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
79ms
MX
80ms
AAAA
56ms
TXT
213ms
CAA
71ms
HTTPS
56ms
TLSA
75ms
SOA
0ms
MTA-STS
97ms
DNSSEC
114ms
SRV
94ms
Total
861ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:56:34 861ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 09:49:10 1599ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-18 01:23:19 953ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-18 23:20:34 1105ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-09 04:14:23 6926ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 20:57:41 714ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 04:27:47 890ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 02:04:33 654ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 18:00:44 1153ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 11:41:12 1236ms 2 NS 1 A 4 MX 🔒 Secure View
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