juul-uddannelser.dk is a .dk domain served by 2 nameservers (kallie.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 2 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.186 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.94.186 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.139.138 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5eba | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:8b8a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.94.186,172.67.139.138 ech=AEX+DQBBwwAgACDzlkGmwRzij8h6Qa3KvNuHLwfLc+//acX4RppjzAuFAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5eba,2606:4700:3031::ac43:8b8a |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (juul-uddannelser.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.juul-uddannelser.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | 104.21.94.186 172.67.139.138 2606:4700:3030::6815:5eba 2606:4700:3031::ac43:8b8a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network juul-uddannelser.dk: 104.21.94.186 172.67.139.138 2606:4700:3030::6815:5eba 2606:4700:3031::ac43:8b8a (AS13335) www.juul-uddannelser.dk: 104.21.94.186 172.67.139.138 2606:4700:3030::6815:5eba 2606:4700:3031::ac43:8b8a (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416932402 |
| Primary NS (MNAME) | kallie.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 | 2023-10-02 |
| Expires | 2027-10-01 (343d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 08:47:22 shown | 536ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-08 12:46:54 | 605ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-01 07:10:48 | 425ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-28 07:03:46 | 9423ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 06:30:08 | 692ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-26 06:12:27 | 631ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-24 05:48:32 | 611ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-14 20:41:50 | 781ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-22 05:34:01 | 5158ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-29 02:21:40 | 1681ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-25 14:58:43 | 941ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-04 22:41:12 | 5248ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-20 00:50:06 | 502ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 22:36:15 | 951ms | 2 NS 2 A 0 MX | 🔒 Secure |