koncertlink.dk is a .dk domain served by 2 nameservers (lakas.ns.cloudflare.com, martha.ns.cloudflare.com). It was registered on 10 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.144 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 |
|---|---|---|---|---|---|---|---|
| 104.21.37.144 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.209.108 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:2590 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:d16c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.37.144,172.67.209.108 ech=AEX+DQBB+wAgACCcu/bF+Uz/19sKi8idLQOmGbyEZ8FGmI0AcOBGN3yoQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2590,2606:4700:3037::ac43:d16c |
| www | 104.21.37.144 172.67.209.108 2606:4700:3034::6815:2590 2606:4700:3037::ac43:d16c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network koncertlink.dk: 104.21.37.144 172.67.209.108 2606:4700:3034::6815:2590 2606:4700:3037::ac43:d16c (AS13335) www.koncertlink.dk: 104.21.37.144 172.67.209.108 2606:4700:3034::6815:2590 2606:4700:3037::ac43:d16c (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 | 2417118911 |
| Primary NS (MNAME) | lakas.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2019-07-10 |
| Expires | 2027-07-31 (285d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 17:28:47 shown | 1288ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-09 12:29:04 | 727ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-03 17:35:24 | 775ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-21 15:23:24 | 1181ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-12 09:09:44 | 795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-10 05:31:38 | 9693ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:21:26 | 3728ms | 2 NS 2 A 0 MX | 🔓 Insecure |