køb-salg.dk is a .dk domain served by 2 nameservers (lana.ns.cloudflare.com, zod.ns.cloudflare.com). It was registered on 14 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.70 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 |
|---|---|---|---|---|---|---|---|
| 104.21.64.70 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.126 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:4046 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:b17e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.64.70,172.67.177.126 ech=AEX+DQBBhgAgACDm3tjxdtW+I7Rrx54zypSLOPGyp6b4vUJZNGc8GXNJNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4046,2606:4700:3036::ac43:b17e |
| www | 104.21.64.70 172.67.177.126 2606:4700:3035::6815:4046 2606:4700:3036::ac43:b17e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network køb-salg.dk: 104.21.64.70 172.67.177.126 2606:4700:3035::6815:4046 2606:4700:3036::ac43:b17e (AS13335) www.køb-salg.dk: 104.21.64.70 172.67.177.126 2606:4700:3035::6815:4046 2606:4700:3036::ac43:b17e (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 | 2415007754 |
| Primary NS (MNAME) | lana.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2021-06-14 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|---|---|
| 2026-09-17 12:25:51 shown | 1382ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 20:30:47 | 668ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 09:17:12 | 949ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-20 01:53:52 | 1390ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 03:34:54 | 1032ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-22 07:06:28 | 915ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 19:11:56 | 400ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 16:33:27 | 416ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 12:16:05 | 1291ms | 2 NS 2 A 0 MX | 🔒 Secure |