seko.dk is a .dk domain served by 3 nameservers (ns1.dnsatconviator.com, ns2.dnsatconviator.com, ns3.dnsatconviator.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.130.88.140 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by seko-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.130.88.140 | 3600s | — | AS3292 | TDC Holding A/S | 212.130.0.0/16 | 🇩🇰 Denmark | Munkebo |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms37468876 |
| ubivox-site-verification=IZi34dtptP-tG7lgRSFwksq0W |
| v=spf1 include:spf.protection.outlook.com include:_u.seko.dk._spf.smart.ondmarc.com -all |
| Policy | Record (seko.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_u.seko.dk._spf.smart.ondmarc.com -all |
| Policy | Record (_dmarc.seko.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; sp=none; rua=mailto:998a73ca@inbox.ondmarc.com; ruf=mailto:998a73ca@inbox.ondmarc.com; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600 |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 1678884589545 |
| max_age | 1209600s |
| Policy MX | seko-dk.mail.protection.outlook.com |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:998a73ca@inbox.ondmarc.com |
| www CNAME | seko.dk (all on seko.dk) → 212.130.88.140 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-seko-dk._domainkey.aojohansen.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-seko-dk._domainkey.aojohansen.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025101602 |
| Primary NS (MNAME) | ns1.dnsatconviator.com |
| Responsible (RNAME) | hostmaster@vkdata.dk |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:52:50 | 1476ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 22:08:15 shown | 1653ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 21:55:39 | 1514ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 18:12:36 | 1938ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:02:08 | 1758ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 18:11:10 | 11131ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:51:15 | 1733ms | 3 NS 1 A 1 MX | 🔓 Insecure |