ferwer.dk is a .dk domain served by 2 nameservers (hugh.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 21 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.177 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by vip-mail.superhosting.cz. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.18.177 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.182.210 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 120s | vip-mail.superhosting.cz | 95.168.196.56 | vip-mail.superhosting.cz | AS39392 SH.cz s.r.o. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:b6d2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:12b1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.18.177,172.67.182.210 ech=AEX+DQBBsAAgACCvkBCkxv/BhCnzYFVOyiA9UwK0cicbl8OXepwBzbeXSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b6d2,2606:4700:3035::6815:12b1 |
| TXT Record |
|---|
| google-site-verification=amnFdVtqF3f8J06oOOk0I34jnTbSqQE9sDeh3TN2o24 |
| www | 104.21.18.177 172.67.182.210 2606:4700:3032::ac43:b6d2 2606:4700:3035::6815:12b1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.ferwer.dk | 7pQiuxYSJLcJmN9fqR5KkuvgYSVJt9KvznX7KiEvpPE |
| TXT | _acme-challenge.ferwer.dk | XR5vDaeh2XXTbV-5AblqswDON0ZIa6uOecQMvotDpuo |
| 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 | 2413373393 |
| Primary NS (MNAME) | hugh.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2022-02-21 |
| Expires | 2027-02-20 (123d) |
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 |
|---|---|---|---|
| 2026-10-09 04:31:20 | 595ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:15:56 | 881ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 23:07:43 | 1943ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 21:23:41 | 2169ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 07:31:39 | 710ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 18:59:44 shown | 1457ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 15:07:02 | 2794ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 00:45:22 | 10315ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-29 02:27:08 | 980ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 09:59:50 | 1240ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:29:16 | 775ms | 2 NS 2 A 1 MX | 🔓 Insecure |