mhmstack.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 4 April 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.219 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.21.219 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.200.210 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.21.219 |
| 🔶 Autoconfig | 104.21.21.219 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:15db | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:c8d2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.21.219,172.67.200.210 ech=AEX+DQBBtQAgACAAdwTQLbqYK0sdUVDib5ozbHMmbrXTrcXDS27YbwHRBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:15db,2606:4700:3036::ac43:c8d2 |
| www | 104.21.21.219 172.67.200.210 2606:4700:3036::6815:15db 2606:4700:3036::ac43:c8d2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mhmstack.dk: 104.21.21.219 172.67.200.210 2606:4700:3036::6815:15db 2606:4700:3036::ac43:c8d2 (AS13335) www.mhmstack.dk: 104.21.21.219 172.67.200.210 2606:4700:3036::6815:15db 2606:4700:3036::ac43:c8d2 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mhmstack.dk | FyZKKETiZJlmX5TV2uHIxWfY_As88Zerx7tfulH5EJs |
| TXT | _acme-challenge.mhmstack.dk | pc8PsMcLA_Z02ZeLcEqUybkF0jZRIrKP7g27OBgytjM |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416215101 |
| Primary NS (MNAME) | justin.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 | 2024-04-04 |
| Expires | 2027-04-03 (161d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 13:06:13 | 408ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-06 10:49:16 | 480ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-04 10:20:44 | 655ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-03 10:19:56 | 753ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-01 10:15:55 | 1280ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 10:11:51 shown | 1223ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-26 08:46:36 | 547ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-10 19:44:42 | 663ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-01 09:34:00 | 573ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-27 23:18:33 | 718ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-18 03:32:34 | 1518ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-11 17:16:31 | 3087ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-07 04:57:46 | 943ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-02 02:47:37 | 768ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-24 14:17:29 | 745ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-13 19:20:25 | 819ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-11 18:59:58 | 886ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-03 01:35:56 | 9773ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 22:02:43 | 645ms | 2 NS 2 A 0 MX | 🔒 Secure |