qr-koder.dk is a .dk domain served by 2 nameservers (melissa.ns.cloudflare.com, piotr.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by spamgw.itoverblik.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.39.209 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.148.127 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | spamgw.itoverblik.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.148.127 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:947f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:27d1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.209,172.67.148.127 ech=AEX+DQBBigAgACA3Q4NBRdTfh50CLe+3DgE7wQf8f0o+mwVdiHLQp0v3NAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:947f,2606:4700:3034::6815:27d1 |
| TXT Record |
|---|
| v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net ?all |
| Policy | Record (qr-koder.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net ?all |
| www | 104.21.39.209 172.67.148.127 2606:4700:3031::ac43:947f 2606:4700:3034::6815:27d1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network qr-koder.dk: 104.21.39.209 172.67.148.127 2606:4700:3031::ac43:947f 2606:4700:3034::6815:27d1 (AS13335) www.qr-koder.dk: 104.21.39.209 172.67.148.127 2606:4700:3031::ac43:947f 2606:4700:3034::6815:27d1 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ?all
| 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 | 2407958673 |
| Primary NS (MNAME) | melissa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:18:03 | 585ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 16:40:16 | 747ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 16:33:54 | 1075ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 02:14:27 | 1618ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 20:21:55 | 16924ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 10:09:53 shown | 850ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:44:32 | 2344ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 21:50:30 | 987ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:51:02 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 14:49:51 | 773ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:49:41 | 4762ms | 2 NS 2 A 1 MX | 🔓 Insecure |