runlevel0.dk is a .dk domain served by 2 nameservers (fred.ns.cloudflare.com, kia.ns.cloudflare.com). It was registered on 26 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.93 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.forwardmx.io, mx2.forwardmx.io. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.11.93 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.165.182 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.forwardmx.io | 5.78.45.44 | mx1.mailforward.net | AS212317 Hetzner Online GmbH |
| 20 | 300s | mx2.forwardmx.io | 5.78.45.44 | mx1.mailforward.net | AS212317 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | runlevel0.dk → 192.30.252.153 |
| 🔶 Autoconfig | runlevel0.dk → 192.30.252.154 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:b5d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:a5b6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.11.93,172.67.165.182 ech=AEX+DQBBagAgACB7BIHKPUkJ4ySChXtxHqPrCzxk64wO8+UOjbovnSgQbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:b5d,2606:4700:3035::ac43:a5b6 |
| www | 104.21.11.93 172.67.165.182 2606:4700:3035::6815:b5d 2606:4700:3035::ac43:a5b6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network runlevel0.dk: 104.21.11.93 172.67.165.182 2606:4700:3035::6815:b5d 2606:4700:3035::ac43:a5b6 (AS13335) www.runlevel0.dk: 104.21.11.93 172.67.165.182 2606:4700:3035::6815:b5d 2606:4700:3035::ac43:a5b6 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.runlevel0.dk | runlevel0.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 | 2408283359 |
| Primary NS (MNAME) | fred.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 | 2002-06-26 |
| Expires | 2027-06-30 (254d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 00:46:38 | 1284ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 22:45:52 | 2515ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-29 12:23:52 | 2935ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 05:50:20 | 1268ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 19:12:32 | 2823ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-08 10:18:49 | 1285ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 21:30:05 shown | 1782ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 19:27:18 | 653ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 06:11:30 | 955ms | 2 NS 2 A 2 MX | 🔓 Insecure |