containerudlejning.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, daphne.ns.cloudflare.com). It was registered on 21 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.87 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| alex.ns.cloudflare.com | — | — | — |
| daphne.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.27.87 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.20 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:a914 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1b57 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.87,172.67.169.20 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a914,2606:4700:3033::6815:1b57 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (containerudlejning.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.containerudlejning.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www CNAME | lit-coconut-3ikfimzrh2vel77il9x8wmig.herokudns.com (all on herokudns.com) |
| www vs bare domain | Same network containerudlejning.dk: 13.248.132.87 35.71.145.101 75.2.97.79 99.83.151.71 (AS16509) www.containerudlejning.dk: 13.248.132.87 35.71.145.101 75.2.97.79 99.83.151.71 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2406843263 |
| Primary NS (MNAME) | alex.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-04-21 |
| Expires | 2036-04-30 (3476d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 22:42:05 | 793ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-09 07:46:12 | 516ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-04 05:43:27 | 885ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-01 05:32:36 | 610ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:28:04 | 522ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-28 03:17:08 | 752ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-23 12:06:21 | 2027ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-07 08:17:59 | 2817ms | 3 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-02 19:08:08 | 732ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 21:24:55 | 2707ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 22:11:55 shown | 472ms | 2 NS 2 A 0 MX | 🔓 Insecure |