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MailTester.Ninja

email address verification tool and email checker
Organization software_company Q135641898

Facts

10 properties

Identity

Instance of
software company, application software, web service, software as a service, website[2][3][4][5]
Official website
mailtester.ninja[15]

Status and dates

Inception
2018[14]

Location

Headquarters location
London[9]

People

Founder
Alexandre Biegala, Danila Kozlov[6][7]

Relations

Owned by
Unlimited & Limited[8]
More facts +4
Language of work or name
English[12]
Country of origin
United Kingdom[13]
Developer
Alexandre Biegala, Danila Kozlov[10][11]
Main subject
email marketing[16]
🏷️ Also known as
en MailTester Ninja en MailTester.Ninja en MTN
🔖 Identifiers · 6
Crunchbase organization ID
mailtester-ninja
Described at URL
www.crunchbase.com
LinkedIn company or organization ID
mailtester-ninja
X (Twitter) username
MailTesterNinja
YouTube channel ID
UCF9F_-G72n_iyESv0B54fWg
YouTube handle
mailtesterninja

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 5
website, application software, web service, software as a service, software company
Country of origin 1
United Kingdom
Headquarters location 1
London
Language of work or name 1
English
Main subject 1
email marketing
Owned by 1
Unlimited & Limited
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Summary

MailTester.Ninja is a software company[1].

Related Entities

application software London software company United Kingdom Unlimited & Limited website

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  6. [7] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  7. [8] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  8. [9] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  13. [14] ↑ . mailtester.ninja. mailtester.ninja. Provenance: wikidata.org.
  14. [15] ↑ . crunchbase.com. crunchbase.com. Provenance: wikidata.org.
  15. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). MailTester.Ninja. Retrieved October 26, 2026, from https://4ort.xyz/entity/mailtester-ninja
MLA “MailTester.Ninja.” 4ort.xyz Knowledge Graph, 4ort.xyz, 26 Oct. 2026, https://4ort.xyz/entity/mailtester-ninja.
BibTeX @misc{4ortxyz_mailtester-ninja_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{MailTester.Ninja}}, year = {2026}, url = {https://4ort.xyz/entity/mailtester-ninja}, note = {Accessed: 2026-10-26}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): MailTester.Ninja — https://4ort.xyz/entity/mailtester-ninja (retrieved 2026-10-26)

Canonical URL: https://4ort.xyz/entity/mailtester-ninja · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13d ago · DanilaKozlov · 2026-10-26 view diff on Wikidata ↗
    Founder → Alexandre Biegala, Danila Kozlov
    Described at URL → https://www.crunchbase.com/organization/mailtester-ninja
    Motto text → —
    Crunchbase organization ID → mailtester-ninja
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Founder: Danila Kozlov"
  2. 12w ago · DanilaKozlov · 2026-08-12 view diff on Wikidata ↗
    Official website → https://mailtester.ninja/
    Inception → —
    YouTube handle → mailtesterninja
    Youtube handle → —
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ Inception: 2018"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.