skoleol.dk is a .dk domain served by 6 nameservers (ns10.dnsadmin.dk, ns11.dns-admin.dk, ns12.dnsadmin.dk and 3 more). It was registered on 26 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.69.68.10 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by skoleol-dk.f-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 13.69.68.10 | 299s | — | AS8075 | Microsoft Corporation | 13.64.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| ms=ms69652740 |
| MS=ms92706575 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (skoleol.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.skoleol.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:656f12cd2cdba@dmarc.centerasecurity.com; |
| www CNAME | j.sni.global.fastly.net (all on fastly.net) |
| www vs bare domain | Different networks skoleol.dk: 13.69.68.10 (AS8075) (all like this)www.skoleol.dk: 151.101.130.132 151.101.194.132 151.101.2.132 151.101.66.132 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.skoleol-dk.f-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.skoleol-dk.f-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.skoleol-dk.f-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | CFD68BDE4129C00A2402C21C0916EDF0… |
| SMTP _25._tcp.skoleol-dk.f-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.skoleol-dk.f-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2009010477 |
| Primary NS (MNAME) | ns20.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-02-26 |
| Expires | 2029-02-28 (856d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 16:59:46 shown | 3639ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 15:14:44 | 3019ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 01:48:12 | 689ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 13:23:03 | 808ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 20:37:31 | 1181ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 20:35:16 | 704ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 09:32:54 | 1471ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 07:55:24 | 5557ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 07:07:31 | 835ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 07:05:59 | 1650ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:51:26 | 1107ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 05:39:41 | 849ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 04:26:49 | 948ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 13:29:18 | 2499ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 07:03:26 | 3025ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 05:00:21 | 1519ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 22:19:54 | 2748ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 21:36:29 | 11406ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 21:27:46 | 12976ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 07:45:29 | 1694ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 06:29:49 | 1604ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 21:54:11 | 10410ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 16:38:50 | 9350ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 12:18:13 | 1536ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 06:04:16 | 1499ms | 6 NS 1 A 1 MX | 🔒 Secure |