skipperclementskolen.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 14 October 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.120 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by skipperclementskolen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.56.120 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.150.213 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.228.216 |
| 🔶 Autoconfig | 104.21.56.120 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::9 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::9 | 600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.56.120,172.67.150.213 ech=AEX+DQBBtQAgACADQzR+USHgYlLFSCBkYhDs4cltjaEhhSfnDDVK9WLSHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:96d5,2606:4700:3034::6815:3878 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (skipperclementskolen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.skipperclementskolen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:14dd2e5ff2344d878007b075135215e2@dmarc-reports.cloudflare.net,mailto:dmarc@skipperclementskolen.dk |
| www | 104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network skipperclementskolen.dk: 104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335) www.skipperclementskolen.dk: 104.21.56.120 172.67.150.213 2606:4700:3031::6815:3878 2606:4700:3031::ac43:96d5 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-skipperclementskolen-dk._domainkey.skipperclementskolen.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-skipperclementskolen-dk._domainkey.skipperclementskolen.onmicrosoft.com | RSA · ~2048 bit |
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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2406671404 |
| Primary NS (MNAME) | bella.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 | 2022-10-14 |
| Expires | 2027-10-13 (350d) |
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 |
|---|---|
| aalborginternationalschool.dk | Simply.com A/S |
| skipper-clement-skolen.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 02:42:13 | 593ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-21 03:25:22 | 1414ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-10 08:11:52 | 2261ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-06 04:54:16 | 2435ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 00:55:09 | 926ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-20 22:59:57 | 1431ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-18 20:59:32 | 1799ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 12:01:06 | 1361ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-26 23:18:50 | 1540ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-22 23:43:07 | 2533ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-08 19:41:15 | 2233ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-05 09:53:34 | 1751ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-06 22:57:25 | 11621ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-02 18:47:32 | 1244ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-27 07:58:06 | 1275ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 05:32:45 | 5238ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-23 11:34:08 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 00:45:01 | 640ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 23:05:24 shown | 801ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 19:18:14 | 3567ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-18 05:56:29 | 1184ms | 2 NS 2 A 1 MX | 🔒 Secure |