how to check if a domain using which mail service - SERP Analysis

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https://www.reddit.com/r/dns/comments/1cyrfup/how_to_know_if_a_domain_is_used_for_email/

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https://security.stackexchange.com/questions/127618/identify-if-a-certain-domain-is-using-office-365-or-google-mail

https://help.useresponse.com/knowledge-base/article/how-to-check-email-provider-and-dns-provider

https://www.quora.com/Is-it-possible-to-find-which-email-service-is-a-given-company-domain-using

https://dnschecker.org/mx-lookup.php

https://support.squarespace.com/hc/en-us/articles/360000203368-Finding-your-email-provider

https://community.spiceworks.com/t/identifying-mail-server-name-of-a-domain/686377

https://cable.ayra.ch/mail/

https://support.google.com/a/answer/48323?hl=en

https://answers.microsoft.com/en-us/outlook_com/forum/all/how-does-outlook-know-which-mail-service-provider/49b84088-bee2-40ba-8684-d9bcc05b0809

https://serverfault.com/questions/987506/how-can-i-check-if-a-domains-mail-server-is-hosted-by-me

https://mxtoolbox.com/emailhealth

https://www.mailerlite.com/help/how-to-verify-and-authenticate-your-domain

https://learn.microsoft.com/en-us/exchange/mail-flow-best-practices/manage-accepted-domains/manage-accepted-domains

https://superuser.com/questions/207516/is-it-possible-to-know-if-a-domain-is-using-google-apps-for-email

https://dnschecker.org/domain-health-checker.php

https://www.icdsoft.com/en/kb/view/1632_pointing_the_mail_service_to_another_mail_server

https://easydmarc.com/tools/spf-lookup

https://serverfault.com/questions/155073/how-to-determine-if-my-mail-server-is-configured-correctly

https://www.courier.com/guides/email-ip-domain-reputation-check-tools

https://wpmailsmtp.com/how-to-verify-your-domain-reputation-for-email-sending/

https://emailverification.whoisxmlapi.com/blog/how-to-check-if-an-email-address-exists-using-dns-mx-records-smtp-connections-email-sending-emulation

https://www.name.com/domain/search

https://kb.synology.com/en-au/DSM/tutorial/How_to_check_DNS_records_for_MailPlus_Server

https://mailchimp.com/help/set-up-email-domain-authentication/

https://support.google.com/a/answer/9122284?hl=en

https://proton.me/support/custom-domain

https://www.zoho.com/mail/help/adminconsole/domain-verification.html

https://www.valimail.com/domain-checker/

https://easydmarc.com/tools/domain-scanner

https://postmarkapp.com/blog/how-to-check-your-domain-reputation

https://glockapps.com/blog/email-domain-check-list/

https://security.stackexchange.com/questions/126582/how-does-an-email-provider-verify-my-custom-domain-name

https://www.namecheap.com/support/knowledgebase/article.aspx/322/2237/how-can-i-set-up-mx-records-required-for-mail-service/

https://superuser.com/questions/1708173/why-is-there-a-website-needed-when-having-a-mail-only-domain

https://wpmailsmtp.com/how-to-check-if-your-sending-domain-is-blacklisted/

https://www.zoho.com/mail/help/adminconsole/add-domains.html

https://www.valimail.com/blog/domain-reputation/

https://www.sysnet.ucsd.edu/~voelker/pubs/mx-imc21.pdf

https://www.mail.com/mail/domains/

https://dmarcreport.com/blog/how-to-check-if-your-email-authentication-is-set-up-correctly-for-dkim-dmarc-spf-bimi/

https://mailinabox.email/guide.html

https://docs.aws.amazon.com/ses/latest/dg/mail-from.html

https://yespo.io/blog/how-check-if-your-domain-spam-blacklists

https://support.plesk.com/hc/en-us/articles/12377674810391-How-to-activate-or-deactivate-the-mail-service-for-a-domain-or-the-entire-Plesk-server

https://www.mailersend.com/blog/dns-records

http://faq.dnsexit.com/index.php?action=artikel&cat=2&id=49&artlang=en

https://kb.mailpoet.com/article/295-spf-dkim-dmarc

https://support.apple.com/en-mk/guide/apple-business-connect/abcb22cbade5/web

https://kb.mailbox.org/en/private/custom-domains/using-e-mails-with-a-custom-domain/

https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0057778

https://docs.cpanel.net/cpanel/email/email-deliverability-in-cpanel/

https://themeisle.com/blog/use-gmail-with-your-own-domain-name/

https://dnsmadeeasy.com/resources/the-interplay-between-dns-and-email-an-essential-guide-for-dns-professionals

https://stackoverflow.com/questions/68086096/finding-which-provider-is-responsible-for-the-mail-domain

https://help.gohighlevel.com/support/solutions/articles/48001226115-dedicated-email-sending-domains-overview-setup

https://profitserver.net/knowledge-base/test_mail_server/

https://moosend.com/blog/free-email-domain-providers/

https://sendgrid.com/en-us/blog/5-ways-check-sending-reputation

https://emaillistverify.com/dns-health-checker

https://checkcybersecurity.service.ncsc.gov.uk/email-security-check

https://forum.bubble.io/t/how-can-i-tell-if-an-email-is-from-a-personal-email-provider-or-a-business-email/242583

https://doteasy.com/blog/accessing-domain-emails-with-office-365-exchange-online

https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/using-a-domain-with-another-providers-mail-servers-editing-mx-records/

https://www.mailgun.com/blog/email/check-email-domain-reputation/

https://www.fastmail.help/hc/en-us/articles/360058753394-Custom-domains-with-Fastmail

https://www.servicenow.com/community/developer-forum/how-to-identify-the-sender-s-email-domain-and-add-it-to-work/m-p/2128867

https://cloud.google.com/identity/docs/identify-host

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https://support.hostinger.com/en/articles/1583453-how-to-set-up-a-domain-for-google-workspace-email

https://www.neo.space/blog/best-email-domain-checkers

https://unspam.email/articles/check-domain-blacklisted/

https://www.domain.com/help/article/email-management-how-to-check-your-email-over-the-web

https://folderly.com/blog/domain-health-check

https://mailtrap.io/free-domain-blacklist-checker/

https://hunter.io/domain-search

https://www.theseventhsense.com/blog/email-domain-reputation-are-your-emails-going-directly-to-spam

https://www.dell.com/support/kbdoc/en-us/000217008/data-domain-troubleshooting-mailserver-guide

https://medium.com/%40jimtdev/how-to-guide-to-set-up-your-own-domain-name-email-914e553eba91

https://support.wix.com/en/article/connecting-an-email-purchased-outside-of-wix

https://kb.paessler.com/en/topic/87554-using-built-in-mailservice-with-a-domain-e-mail-address

https://www.uspis.gov/news/scam-article/fake-usps-emails

https://mailchimp.com/help/verify-a-domain/

https://knowledge.hubspot.com/marketing-email/manage-email-authentication-in-hubspot

https://support.atlassian.com/user-management/docs/verify-a-domain-to-manage-accounts/

https://www.cloudflare.com/learning/email-security/dmarc-dkim-spf/

https://problogger.com/how-to-set-up-an-email-account-that-uses-your-domain-name/

https://www.rejoiner.com/resources/domain-reputation

https://www.tonyherman.com/how-to-figure-out-where-email-is-hosted/

https://www.whatsmydns.net/

https://www.mailslurp.com/blog/tools-to-check-your-domain-reputation/

https://help.salesforce.com/s/articleView?id=mktg.mcae_email_add_domain.htm&language=en_US&type=5

https://docs.oracle.com/en-us/iaas/Content/Email/Concepts/overview.htm

https://www.ncsc.gov.uk/information/mailcheck