efterskole-info.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 2 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.87 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 |
|---|---|---|---|---|---|---|---|
| 104.21.43.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.102 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:2b57 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b166 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.87,172.67.177.102 ech=AEX+DQBBIQAgACDgUCbE4wpf2efGI6685PyQ6dzVEGoZ4Mz6OHZvckPOdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2b57,2606:4700:3037::ac43:b166 |
| www | 104.21.43.87 172.67.177.102 2606:4700:3035::6815:2b57 2606:4700:3037::ac43:b166 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network efterskole-info.dk: 104.21.43.87 172.67.177.102 2606:4700:3035::6815:2b57 2606:4700:3037::ac43:b166 (AS13335) www.efterskole-info.dk: 104.21.43.87 172.67.177.102 2606:4700:3035::6815:2b57 2606:4700:3037::ac43:b166 (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 | 2417208143 |
| Primary NS (MNAME) | kate.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-09-02 |
| Expires | 2027-09-01 (312d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 13:26:04 shown | 1611ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 08:36:38 | 542ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 08:04:50 | 3195ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 20:43:00 | 575ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-23 19:39:14 | 932ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 16:07:03 | 7087ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-14 17:34:30 | 911ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 18:20:38 | 816ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 09:53:20 | 739ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 22:29:08 | 1125ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 06:06:04 | 437ms | 2 NS 2 A 0 MX | 🔓 Insecure |