onlinelab.dk is a .dk domain served by 2 nameservers (michelle.ns.cloudflare.com, newt.ns.cloudflare.com). It was registered on 28 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.246 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by server1.onlinelab.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.38.246 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.38 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | server1.onlinelab.dk | 194.163.162.68 | vmi1643999.contaboserver.net | AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | onlinelab.dk → 194.163.162.68 |
| 🔶 Autoconfig | onlinelab.dk → 194.163.162.68 |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.38.246,172.67.141.38 ech=AEX+DQBBDwAgACCTnXdUnn5zXCRPSwlkED1yBLv3BrfppMF/S6qVjOBHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| TXT Record |
|---|
| v=spf1 a mx ip4:62.171.146.192 ~all |
| Policy | Record (onlinelab.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:62.171.146.192 ~all |
| Policy | Record (_dmarc.onlinelab.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 104.21.38.246 172.67.141.38 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network onlinelab.dk: 104.21.38.246 172.67.141.38 (AS13335) www.onlinelab.dk: 104.21.38.246 172.67.141.38 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.onlinelab.dk | onlinelab.dk |
| 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 | 2416857507 |
| Primary NS (MNAME) | michelle.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-05-28 |
| Expires | 2027-05-31 (221d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:44:17 shown | 1262ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 00:19:04 | 1668ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:59:29 | 1271ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:51:46 | 1129ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 22:54:22 | 671ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 15:26:34 | 1205ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 12:26:32 | 915ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 16:23:41 | 1089ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 07:36:40 | 707ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 18:38:54 | 1194ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 06:52:23 | 2187ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-10 19:17:23 | 1092ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 00:49:39 | 821ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:52:19 | 945ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 04:19:37 | 972ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:36:50 | 4785ms | 2 NS 2 A 1 MX | 🔓 Insecure |