holmstadit.dk is a .dk domain served by 2 nameservers (roxy.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 11 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.249 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.73.249 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.151.206 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:49f9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:97ce | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.73.249,172.67.151.206 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:49f9,2606:4700:3033::ac43:97ce |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (holmstadit.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | 104.21.73.249 172.67.151.206 2606:4700:3032::6815:49f9 2606:4700:3033::ac43:97ce (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network holmstadit.dk: 104.21.73.249 172.67.151.206 2606:4700:3032::6815:49f9 2606:4700:3033::ac43:97ce (AS13335) www.holmstadit.dk: 104.21.73.249 172.67.151.206 2606:4700:3032::6815:49f9 2606:4700:3033::ac43:97ce (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| 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 | 2414811149 |
| Primary NS (MNAME) | roxy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-05-11 |
| Expires | 2027-05-10 (200d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:14:40 shown | 1766ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 07:10:46 | 667ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-26 14:56:01 | 1024ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-19 06:36:26 | 2181ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-09 11:25:19 | 1214ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-07 02:20:25 | 2172ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-12 04:54:42 | 1614ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 13:26:40 | 5149ms | 2 NS 2 A 3 MX | 🔓 Insecure |