grammarbook.com
grammarbook.com is a live English-language website hosted on IBM Cloud (AS36351) in the United States, served by IIS. cl0q first saw it on 2026-06-16 and last crawled it on 2026-10-12. It resolves to 150.238.45.247 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
The Blue Book of Grammar and Punctuation | English Grammar Usage Guide
GrammarBook.com helps you master English grammar and writing with free usage rules, reinforcing examples, fun quizzes, and The Blue Book of Grammar and Punctuation.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-06-16 |
| Last crawled | 2026-10-12 |
| IPv4 | 150.238.45.247 |
| Network | AS36351 IBM Cloud · United States |
| Mail (MX) | mail.grammarbook.com |
| Language | en-US |
| Server | Microsoft-IIS/10.0 |