sempa.dk

📜 Historical scan 2026-07-09 04:14:23  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sempa.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.182 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   33ms
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 Records#

1 records   33ms
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 Records#

4 records   32ms
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   33ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:50:30
www77.111.240.182 2a02:2350:5:102:80b7:7a0:aa25:3b37 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records   76ms
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…

🔐 DNSSEC#

59ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

26ms
FieldValue
Serial2026062302
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-07-18 23:27:35
FieldValue
RegistrarONE.COM A/S
Registered2001-03-22
Expires2027-03-31 (164d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
33ms
A
33ms
MX
32ms
AAAA
33ms
TXT
156ms
CAA
35ms
HTTPS
32ms
TLSA
76ms
SOA
26ms
MTA-STS
47ms
DNSSEC
59ms
SRV
37ms
Total
6926ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:50:30 535ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-07 23:33:14 472ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-03 09:12:20 457ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-20 12:40:33 658ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-20 02:55:09 1711ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-13 00:22:16 903ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-06 13:14:26 717ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-28 01:56:34 861ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-22 09:49:10 1599ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-18 01:23:19 953ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-18 23:20:34 1105ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-09 04:14:23 shown 6926ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 20:57:41 714ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 04:27:47 890ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 02:04:33 654ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 18:00:44 1153ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 11:41:12 1236ms 2 NS 1 A 4 MX 🔒 Secure
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