olcars.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 10 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.97 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by olcars-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.97 | 360s | s0.enavn.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:12 | 14400s | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| bij8b1ob3dj0n967iqo2ohm6v |
| MS=ms49800875 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (olcars.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.olcars.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 178.20.216.97 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u13060478.wl229.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u13060478.wl229.sendgrid.net | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021082500 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster\@dotserv@com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-01-10 |
| Expires | 2031-01-31 (1557d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 21:58:22 shown | 1262ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 06:19:54 | 934ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 10:23:40 | 903ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:25:59 | 6481ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 14:57:26 | 1142ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 04:07:52 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:32:33 | 2322ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 02:50:21 | 678ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 04:29:36 | 2083ms | 4 NS 1 A 1 MX | 🔓 Insecure |