osonline.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 206.189.49.157 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by webhotel14.webhosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 206.189.49.157 | 600s | — | AS14061 | DigitalOcean, LLC | 206.189.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | webhotel14.webhosting.dk | 157.250.160.34 | webhotel14.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | webhotel14.webhosting.dk → 157.250.160.34 |
| 🔶 Autoconfig | webhotel14.webhosting.dk → 157.250.160.34 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (osonline.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.osonline.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | 206.189.49.157 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.osonline.dk | webhotel14.webhosting.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel14.webhosting.dk | DANE-TA · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| SMTP _25._tcp.webhotel14.webhosting.dk | DANE-EE · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-05-09 |
| Expires | 2027-05-31 (220d) |
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).
| Domain | Registrar |
|---|---|
| fællesomfritiden.dk | DANDOMAIN A/S |
| ligelyst.dk | DANDOMAIN A/S |
| sumh.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 15:22:04 shown | 555ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 10:14:27 | 961ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 15:51:13 | 1103ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 19:42:25 | 702ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 01:56:14 | 713ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 17:32:47 | 3003ms | 2 NS 1 A 1 MX | 🔒 Secure |