onlineur.dk is a .dk domain served by 2 nameservers (pete.ns.cloudflare.com, sara.ns.cloudflare.com). It was registered on 24 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.onlineur.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.28.198 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.147.133 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.onlineur.dk | 168.119.235.123 | webuhr.de | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:9385 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:1cc6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.28.198,172.67.147.133 ech=AEX+DQBBxgAgACCI/ltASQ7yzusMw28k+3CqxrGdyvLpv6QjJMDzMVH9KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9385,2606:4700:3036::6815:1cc6 |
| TXT Record |
|---|
| v=spf1 a mx ~all |
| Policy | Record (onlineur.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ~all |
| www | 104.21.28.198 172.67.147.133 2606:4700:3034::ac43:9385 2606:4700:3036::6815:1cc6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network onlineur.dk: 104.21.28.198 172.67.147.133 2606:4700:3034::ac43:9385 2606:4700:3036::6815:1cc6 (AS13335) www.onlineur.dk: 104.21.28.198 172.67.147.133 2606:4700:3034::ac43:9385 2606:4700:3036::6815:1cc6 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2413745959 |
| Primary NS (MNAME) | pete.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 | 2018-11-24 |
| Expires | 2026-11-30 (35d) |
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 |
|---|---|---|---|
| 2026-10-25 03:58:27 shown | 1010ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 18:37:31 | 3158ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 22:26:13 | 581ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 03:26:38 | 1918ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 09:55:24 | 695ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 20:45:26 | 5756ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:28:50 | 772ms | 2 NS 2 A 1 MX | 🔓 Insecure |