Security Scan: Fix NDR error 550 5.1.1 through 5.1.20 in Exc

Summary

API

This view is built from:

Scan result: counts, verdicts, details, IPs, technologies, hashes/api/v1/result/95af9b90-4f48-4321-88a6-73c542b5368b Domain and IP registration (RDAP)/api/v1/rdap/95af9b90-4f48-4321-88a6-73c542b5368bHow often this domain was scanned/api/v1/domain/stats/learn.microsoft.com Scan history for this domain/api/v1/domain/history/learn.microsoft.com?limit=15

This website contacted 3 IPs in 2 countries across 4 domains to perform 29 HTTP transactions. The main domain is microsoft.com and was registered 35 years ago.

Submitted URL: https://learn.microsoft.com/en-us/troubleshoot/exchange/email-delivery/ndr/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online

The Cisco Umbrella rank of the primary domain is #3 of the top 1 million websitesTop 100 Site

AI Security Verdict

Safe Website

Confidence: 96%

Risk Score

The page is a legitimate Microsoft documentation article with no malicious indicators.

Safety Factors (3)

Well‑established domain with high Cisco Umbrella ranking

Official Microsoft documentation site

Only informational search forms present

Domain age information unavailable

Details

Page Title

Fix NDR error 550 5.1.1 through 5.1.20 in Exchange Online - Exchange | Microsoft Learn

Scan Type

public

Favicon Hash

MMH3: -2057558656

MD5: 12e3dac858061d088023b2bd48e2fa96

Domain Name Analysis

The domain 'learn.microsoft.com' uses the commercial generic top-level domain (.com) with subdomain 'learn'. The second-level label 'microsoft' is 9 characters long split between three vowels and six consonants. Word splitting yields 1 word: microsoft. The median word length lands at 9 characters. No strong language cues emerged from the frequency lists.

Screenshot

Page Load Overview

2.12s

Total Load Time

2.7 MB

Total Size

Language Analysis

Primary Language

🇺🇸English

Code: en

Confidence:80%

Script:Latin

Direction:ltr

Detection Details

HTML Lang Attribute:en-us

Text Length:17,660 chars

Detector Agreement:100%

Website Classification

Primary Category

technology software94% confidence

Type: dynamic

Method: ml+structural

All Detected Categories

technology software

94%

documentation technical

85%

Detected Features

OG: website

Schema.org

Domain & IP Information

Requests	IP Address	Location	AS Autonomous System
11	95.100.102.97	Frankfurt am Main, Hesse, Germany	AS16625Akamai Technologies, Inc.
9	150.171.109.194Azure · CLOUD	United States	AS8075Microsoft Corporation
9	150.171.109.193Azure · CLOUD	United States	AS8075Microsoft Corporation
29	3	-	-