sustainweek.dk is a .dk domain served by 2 nameservers (cesar.ns.cloudflare.com, tani.ns.cloudflare.com). It was registered on 9 October 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.110 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.85.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.204.163 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:cca3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:556e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.85.110,172.67.204.163 ech=AEX+DQBBawAgACDJvEjY2YYZiFgx5WY8c1cWKMRl2Qiq3+TDqSKWiV3LPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cca3,2606:4700:3034::6815:556e |
| www | 104.21.85.110 172.67.204.163 2606:4700:3032::ac43:cca3 2606:4700:3034::6815:556e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sustainweek.dk: 104.21.85.110 172.67.204.163 2606:4700:3032::ac43:cca3 2606:4700:3034::6815:556e (AS13335) www.sustainweek.dk: 104.21.85.110 172.67.204.163 2606:4700:3032::ac43:cca3 2606:4700:3034::6815:556e (AS13335) |
| Wildcard | No |
| 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 | 2417388272 |
| Primary NS (MNAME) | cesar.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | 101domain GRS Limited |
| Registered | 2026-10-09 |
| Expires | 2027-10-08 (356d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:54:27 shown | 1140ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-13 13:11:49 | 597ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-11 09:08:57 | 722ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-08 05:09:05 | 727ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 05:05:05 | 467ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 04:18:36 | 108ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 04:17:03 | 125ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 04:12:08 | 133ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 04:09:57 | 242ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 04:07:12 | 255ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 03:55:39 | 224ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 03:51:30 | 234ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 03:36:13 | 216ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 03:25:25 | 228ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 02:54:16 | 215ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 02:43:22 | 239ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-25 02:24:50 | 706ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-25 19:18:54 | 953ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-24 08:14:58 | 1403ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-23 07:26:34 | 9249ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-22 07:11:30 | 4727ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-21 07:03:26 | 6370ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-20 06:38:55 | 2849ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-19 04:26:10 | 2907ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-18 03:59:09 | 1073ms | 2 NS 0 A 0 MX | ⚠️ Bogus |