https://learn.microsoft.com/en-us/answers/questions/6045671/i-888-87o-4885-how-do-i-reach-delta-customer-servi
Host summary
Observed host history, traffic, and infrastructure
| Host | Rank | Registered | First seen | Last seen | Sent | Received | IP | Fingerprints |
|---|---|---|---|---|---|---|---|---|
| learn.microsoft.com | 9620 | 1991-05-02 | 2015-09-11 | 2026-10-16 | 17.1 KB | 3.68 MB |  2.18.174.81 | Azure Front Door Load balancers Azure Front Door is a scalable and secure entry point for fast delivery of your global web applications. Azure PaaS Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers. Akamai Bot Manager Security Akamai Bot Manager detect bots using device fingerprinting bot signatures. Akamai CDN Akamai is global content delivery network (CDN) services provider for media and software delivery, and cloud security solutions. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Azure Monitor Analytics, Performance Azure Monitor collects monitoring telemetry from a variety of on-premises and Azure sources. Azure Monitor helps you maximise the availability and performance of your applications and services. Arkose Labs Security Arkose Labs is a toolkit for fraud prevention that provides solutions to detect and mitigate malicious activity across digital platforms. Azure Edge Network Miscellaneous Azure Edge Network is a global network infrastructure provided by Microsoft Azure. It is designed to deliver content, applications, and services to end-users with low latency and high performance. The Azure Edge Network consists of a combination of Azure Content Delivery Network (CDN), Azure Front Door, and Azure Traffic Manager. |
| wcpstatic.microsoft.com | 37815 | 1991-05-02 | 2020-09-15 | 2026-10-14 | 952 B | 277.4 KB |  150.171.109.197 | Azure PaaS Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers. Azure Front Door Load balancers Azure Front Door is a scalable and secure entry point for fast delivery of your global web applications. |
| js.monitor.azure.com | 3578 | 1994-10-25 | 2020-04-24 | 2026-10-16 | 481 B | 0 B | Not recorded |
Observed certificates
Distinct fingerprints recorded in HTTP transactions
| Subject | Issuer | Valid from | Valid until | Fingerprint | Hosts |
|---|---|---|---|---|---|
| wcpstatic.microsoft.com | DigiCert Inc · GeoTrust TLS RSA CA G1 | Thu, 11 Jun 2026 00:00:00 GMT | Fri, 11 Dec 2026 23:59:59 GMT | SHA25696:B5:8C:5C:94:92:AB:30:13:42:C8:E4:7E:03:C4:82:1F:66:4E:C4:2B:31:BD:4B:1B:36:92:D0:D2:B0:87:78 | wcpstatic.microsoft.com |
| learn.microsoft.com | Microsoft Corporation · Microsoft TLS G2 ECC CA OCSP 06 | Tue, 22 Sep 2026 00:23:13 GMT | Thu, 08 Apr 2027 00:23:13 GMT | SHA256BA:A1:8A:17:E8:2F:69:97:E9:53:AB:47:95:D9:17:76:DB:73:CA:8F:11:86:37:13:DD:3F:5E:E9:AC:2B:C2:AC | learn.microsoft.com |