skoleudstyr.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, terin.ns.cloudflare.com). It was registered on 11 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.170 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.skoleudstyr.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.6.170 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.135.13 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.skoleudstyr.dk | 62.66.144.161 | mail.skoleabc.dk | AS9158 Telenor A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:870d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:6aa | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.170,172.67.135.13 ech=AEX+DQBBWgAgACD/iGs97SexF8pwzrYgxbaLalkzOH71GU8ye5M5IlzoQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:870d,2606:4700:3037::6815:6aa |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (skoleudstyr.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.skoleudstyr.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@skoleudstyr.dk; pct=100; adkim=s; aspf=s |
| www | 104.21.6.170 172.67.135.13 2606:4700:3032::ac43:870d 2606:4700:3037::6815:6aa (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network skoleudstyr.dk: 104.21.6.170 172.67.135.13 2606:4700:3032::ac43:870d 2606:4700:3037::6815:6aa (AS13335) www.skoleudstyr.dk: 104.21.6.170 172.67.135.13 2606:4700:3032::ac43:870d 2606:4700:3037::6815:6aa (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA Invalid key data — receivers can't verify signatures |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · 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 | 2409137577 |
| Primary NS (MNAME) | cloe.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 | 2025-11-11 |
| Expires | 2026-11-10 (18d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| lærer.dk | Simply.com A/S |
| skolesalg.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-08 12:21:57 | 2015ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:48:39 | 636ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:13:56 | 635ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 16:58:42 | 1211ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-10 08:11:28 shown | 988ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:02:32 | 4675ms | 2 NS 2 A 1 MX | 🔓 Insecure |