koldeside.dk is a .dk domain served by 2 nameservers (amy.ns.cloudflare.com, lennox.ns.cloudflare.com). It was registered on 17 April 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.103 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.38.103 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.221.251 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:ddfb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:2667 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.38.103,172.67.221.251 ech=AEX+DQBBtAAgACCVeA0j31/XfvsNvEgjO9EDYT/5yvgEE/G6xmPiW4LFDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ddfb,2606:4700:3033::6815:2667 |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve koldeside.dk: 104.21.38.103 172.67.221.251 2606:4700:3032::ac43:ddfb 2606:4700:3033::6815:2667 (AS13335) (all like this)www.koldeside.dk: no address |
| Wildcard | No |
| 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 | 2407966988 |
| Primary NS (MNAME) | amy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-04-17 |
| Expires | 2027-04-16 (178d) |
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 |
|---|---|---|---|
| 2026-10-16 11:11:59 | 10561ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-04 10:14:22 | 2828ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 04:33:19 | 1225ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-27 13:29:21 | 1156ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 13:05:39 | 815ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-21 13:27:18 | 954ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 18:53:38 | 1042ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-23 11:19:56 | 10653ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-22 08:48:49 | 1414ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-18 18:04:31 | 1896ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-08 11:41:19 | 2883ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-28 00:24:29 shown | 1375ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-18 00:24:34 | 2206ms | 2 NS 2 A 3 MX | 🔓 Insecure |