learn.microsoft.com
Classification: Whitelisted
learn.microsoft.com is a whitelisted (trusted) hostname. Reported by 2 threat sources, last seen 2026-03-29.
Current activity
- Online — resolving/reachable. Last checked 2026-08-28 23:27:19.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Top Popularity Site | Cisco Umbrella | 2022-09-24 01:26:13 | 2026-03-29 08:41:14 | benign | |
| Malicious URL | Triage | 2026-01-31 20:08:53 | 2026-03-26 18:16:46 | malicious-activity |
Tags
discovery persistence ransomware defense_evasionIP addresses resolved by this hostname
- 23.223.218.49 (2024-09-04 10:13:36)
- 23.78.127.96 (2022-12-31 01:35:15)
- 2600:140a:a000:581::3544 (2025-05-03 03:19:57)
- 2600:140a:a000:583::3544 (2025-05-03 03:19:57)
- 2600:140a:a000:387::3544 (2025-05-24 02:46:31)
- 2600:140a:a000:385::3544 (2025-05-24 02:46:31)
- 23.215.25.218 (2025-05-24 02:46:31)
- 2600:140a:5000:989::3544 (2026-03-29 08:41:13)
- 2600:140a:5000:985::3544 (2026-03-29 08:41:13)
- 23.53.170.97 (2026-06-19 08:02:21)
- 2600:1401:d000:487::3544 (2026-06-19 08:02:21)
- 2600:1401:d000:485::3544 (2026-06-19 08:02:21)
- 2600:140a:a000:686::3544 (2026-08-28 23:27:19)
- 23.214.210.87 (2026-08-28 23:27:19)
- 2600:140a:a000:687::3544 (2026-08-28 23:27:19)
Whois information
- AS name
- AS1299 Telia Company AB
- Domain
- microsoft.com
- TLD
- com
- DNSSEC
- ['unsigned']
- Nameservers
- NS1-39.AZURE-DNS.COM, NS2-39.AZURE-DNS.NET, NS3-39.AZURE-DNS.ORG, NS4-39.AZURE-DNS.INFO, ns4-39.azure-dns.info, ns1-39.azure-dns.com, ns2-39.azure-dns.net, ns3-39.azure-dns.org
- Registrant
- MarkMonitor, Inc.
- Address
- One Microsoft Way,
- City
- Redmond
- State
- WA
- Country
- US — United States 🇺🇸
- Contact email
- [email protected], [email protected], [email protected], [email protected]
- Domain created
- 1991-05-02 04:00:00
- Domain expires
- 2027-05-03 04:00:00
- First indexed
- 2022-09-24 01:26:13
- Last updated
- 2026-08-28 23:27:20