acbygninger.dk is a .dk domain served by 2 nameservers (dahlia.ns.cloudflare.com, zeus.ns.cloudflare.com). It was registered on 5 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.241 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 |
|---|---|---|---|---|---|---|---|
| 104.21.84.241 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.103 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.84.241 |
| 🔶 Autoconfig | 172.67.199.103 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:54f1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:c767 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.84.241,172.67.199.103 ech=AEX+DQBBqgAgACBkMwbhV5ng2w68ehFXyp082k8K4Fsmv7n5YgO+3YWdAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:54f1,2606:4700:3036::ac43:c767 |
| www | 104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network acbygninger.dk: 104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335) www.acbygninger.dk: 104.21.84.241 172.67.199.103 2606:4700:3032::6815:54f1 2606:4700:3036::ac43:c767 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2416584672 |
| Primary NS (MNAME) | dahlia.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 | 2026-06-05 |
| Expires | 2027-06-04 (230d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:53:10 shown | 660ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-05 05:52:19 | 385ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-02 05:32:51 | 663ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 10:28:27 | 619ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 02:46:12 | 657ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 19:17:27 | 1325ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 11:58:04 | 8700ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-06 13:13:51 | 1981ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 21:06:00 | 767ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 18:03:25 | 2329ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 14:51:12 | 4705ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:18:24 | 562ms | 2 NS 2 A 0 MX | 🔓 Insecure |