osecu.dk

📜 Historical scan 2026-06-21 23:06:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osecu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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   847ms
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   846ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.101 3600s webcluster2.webpod16-cph3.one.com AS51468 — — — —

📧 MX Records#

4 records   860ms
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

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.101
🔶 Autoconfig46.30.215.101

🔷 AAAA Records (IPv6)#

1 records   845ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:802e:906:3965:32df 3600s — AS51468 — — — —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   1375ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (osecu.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.osecu.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:report@osecu.dk; ruf=mailto:report@osecu.dk

📬 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 2026-10-21 21:12:56
www46.30.215.101 2a02:2350:5:111:8029:5f6c:ea44:26c2 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   322ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC#

934ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

877ms
FieldValue
Serial2026060602
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 03:30:44
FieldValue
RegistrarONE.COM A/S
Registered2024-09-30
Expires2027-09-29 (342d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
847ms
A
846ms
MX
860ms
AAAA
845ms
TXT
1375ms
CAA
844ms
HTTPS
879ms
TLSA
322ms
SOA
877ms
MTA-STS
110ms
DNSSEC
934ms
SRV
318ms
Total
2030ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 21:12:56 676ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-07 05:03:01 461ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-06 03:24:55 525ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-04 03:12:46 440ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-30 14:05:07 562ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-15 02:45:35 864ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-08 03:41:48 821ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-01 02:56:52 1172ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-07 12:42:07 16837ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-27 14:26:17 2064ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 23:06:17 shown 2030ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 14:12:23 1161ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 11:44:56 645ms 2 NS 1 A 4 MX 🔒 Secure
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