zeroemissiondatacenter.dk is a .dk domain served by 2 nameservers (sandy.ns.cloudflare.com, zac.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.63.36 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.63.36 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.113 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.63.36 |
| 🔶 Autoconfig | 104.21.63.36 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:a971 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:3f24 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.63.36,172.67.169.113 ech=AEX+DQBBUQAgACD446XKJHUQv7GtBD/n2zJ9KlaVE4jNnjpfFCX9w7/GRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a971,2606:4700:3037::6815:3f24 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (zeroemissiondatacenter.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.zeroemissiondatacenter.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | 104.21.63.36 172.67.169.113 2606:4700:3033::ac43:a971 2606:4700:3037::6815:3f24 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network zeroemissiondatacenter.dk: 104.21.63.36 172.67.169.113 2606:4700:3033::ac43:a971 2606:4700:3037::6815:3f24 (AS13335) www.zeroemissiondatacenter.dk: 104.21.63.36 172.67.169.113 2606:4700:3033::ac43:a971 2606:4700:3037::6815:3f24 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.zeroemissiondatacenter.dk | 4TzqDOtZocIME2MrxvjfKP5oPRyYJ1S48gEFnvVBTTY |
| TXT | _acme-challenge.zeroemissiondatacenter.dk | Yz97fXe2zeXWdk9Y6_iNoAV4W54V5PDyUh7FgExl7X4 |
| 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 | 2416157012 |
| Primary NS (MNAME) | sandy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 01:54:37 | 768ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 20:27:07 | 742ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 20:16:23 | 513ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 14:57:38 shown | 770ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 14:20:23 | 586ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 08:56:03 | 1262ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-05 00:33:46 | 1600ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 20:00:25 | 865ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 18:07:41 | 795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 16:39:06 | 890ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 18:29:53 | 497ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 15:29:40 | 575ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 07:43:21 | 794ms | 2 NS 2 A 0 MX | 🔓 Insecure |