DKIM/SPF Checker

DKIM/SPF Checker can help you check your DKIM and SPF settings through Gmail, Hotmail and Yahoo mail server. The DKIM/SPF Gmail, Hotmail and Yahoo checking results are for referrences only.

Please send the email with subject 'DKIM/SPF Check Request' to any of the following email address, and reload DKIM/SPF Checking Results after couple of minutes. Click the DKIM/SPF Results to see the detailed mail server Authentication-Results, the description of DKIK/SPF Authentication-Results from Gmail, Hotmail and Yahoo are not exact same.

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Recent DKIM/SPF Checking Results

Email	Checked On(EST)	Mail Server	DKIM Results	SPF Results
fi*@ma*.muzheyanxi.club	4/20/2022 6:00:31 AM	Yahoo	Pass atlas311.free.mail.ne1.yahoo.com; dkim=pass header.i=@sendgrid.net header.s=smtpapi; spf=pass smtp.mailfrom=sendgrid.net; dmarc=unknown header.from=ma***.club;	Pass pass (domain of sendgrid.net designates 50...23 as permitted sender)
fi*@ma*.muzheyanxi.club	4/20/2022 11:06:07 AM	Gmail	Pass dkim=pass header.i=@ma*.club header.s=qcloud header.b=QkMTouMx; spf=pass (domain of bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com designates 119..**.38 as permitted sender) smtp.mailfrom=bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com	Pass pass (domain of bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com designates 119...38 as permitted sender) client-ip=119...38;
fi*@ma*.muzheyanxi.club	4/20/2022 4:52:16 AM	Hotmail	Pass spf=pass (sender IP is 124...32) smtp.mailfrom=smtp-out.qcloudmail.com; dkim=pass (signature was verified) header.d=ma*.club;dmarc=bestguesspass action=none header.from=ma*.club;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of smtp-out.qcloudmail.com designates 124...32 as permitted sender) receiver=protection.outlook.com; client-ip=124...32; helo=qcloudmail.com;
fi*@ma*.muzheyanxi.club	4/20/2022 4:52:16 AM	Gmail	Pass dkim=pass header.i=@ma*.club header.s=qcloud header.b=vTECpjN1; spf=pass (domain of bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com designates 119..**.38 as permitted sender) smtp.mailfrom=bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com	Pass pass (domain of bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com designates 119...38 as permitted sender) client-ip=119...38;
ad*@yd*.com.cn	4/19/2022 1:26:33 PM	Gmail	Fail spf=pass (domain of ad*@yd.com.cn designates 103...32 as permitted sender) smtp.mailfrom=ad@yd.com.cn; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=yd**.cn	Pass pass (domain of ad*@yd.com.cn designates 103...32 as permitted sender) client-ip=103..*.32;
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Hotmail	Pass spf=pass (sender IP is 91...9) smtp.mailfrom=ul*.pl; dkim=pass (signature was verified) header.d=ul.pl;dmarc=pass action=none header.from=ul**.pl;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ul*.pl designates 91...9 as permitted sender) receiver=protection.outlook.com; client-ip=91...9; helo=mx1.ul*.pl;
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Yahoo	Pass atlas318.free.mail.bf1.yahoo.com; dkim=pass header.i=@ul*.pl header.s=ulcmail; spf=pass smtp.mailfrom=ul.pl; dmarc=pass(p=NONE) header.from=ul**.pl;	Pass pass (domain of ul*.pl designates 91..**.9 as permitted sender)
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Gmail	Pass dkim=pass header.i=@ul*.pl header.s=ulcmail header.b=TMZEU4rd; spf=pass (domain of ms@ul.gov.pl designates 91...9 as permitted sender) smtp.mailfrom=ms@ul.gov.pl; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ul*.pl	Pass pass (domain of ms*@ul.gov.pl designates 91...9 as permitted sender) client-ip=91..*.9;
ms*@ul*.gov.pl	4/13/2022 1:45:04 AM	Hotmail	Pass spf=pass (sender IP is 91...9) smtp.mailfrom=ul*.pl; dkim=pass (signature was verified) header.d=ul.pl;dmarc=pass action=none header.from=ul**.pl;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ul*.pl designates 91...9 as permitted sender) receiver=protection.outlook.com; client-ip=91...9; helo=mx1.ul*.pl;

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If you have any question or feedback, please email us to let us know.

DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing. It allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain.

Sender Policy Framework (SPF) is an email validation protocol designed to detect and block email spoofing by providing a mechanism to allow receiving mail exchangers to verify that incoming mail from a domain comes from an IP Address authorized by that domain's administrators.

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Email	Checked On(EST)	Mail Server	DKIM Results	SPF Results
fi*@ma*.muzheyanxi.club	4/20/2022 6:00:31 AM	Yahoo	Pass atlas311.free.mail.ne1.yahoo.com; dkim=pass header.i=@sendgrid.net header.s=smtpapi; spf=pass smtp.mailfrom=sendgrid.net; dmarc=unknown header.from=ma***.club;	Pass pass (domain of sendgrid.net designates 50...23 as permitted sender)
fi*@ma*.muzheyanxi.club	4/20/2022 11:06:07 AM	Gmail	Pass dkim=pass header.i=@ma*.club header.s=qcloud header.b=QkMTouMx; spf=pass (domain of bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com designates 119..**.38 as permitted sender) smtp.mailfrom=bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com	Pass pass (domain of bounces-5e2684362be74307b852900dbd71143b-1650467168@smtp-out.qcloudmail.com designates 119...38 as permitted sender) client-ip=119...38;
fi*@ma*.muzheyanxi.club	4/20/2022 4:52:16 AM	Hotmail	Pass spf=pass (sender IP is 124...32) smtp.mailfrom=smtp-out.qcloudmail.com; dkim=pass (signature was verified) header.d=ma*.club;dmarc=bestguesspass action=none header.from=ma*.club;compauth=pass reason=109	Pass Pass (protection.outlook.com: domain of smtp-out.qcloudmail.com designates 124...32 as permitted sender) receiver=protection.outlook.com; client-ip=124...32; helo=qcloudmail.com;
fi*@ma*.muzheyanxi.club	4/20/2022 4:52:16 AM	Gmail	Pass dkim=pass header.i=@ma*.club header.s=qcloud header.b=vTECpjN1; spf=pass (domain of bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com designates 119..**.38 as permitted sender) smtp.mailfrom=bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com	Pass pass (domain of bounces-3d3b0b62aa4d4cc0a5a28f37d33050ac-1650444738@smtp-out.qcloudmail.com designates 119...38 as permitted sender) client-ip=119...38;
ad*@yd*.com.cn	4/19/2022 1:26:33 PM	Gmail	Fail spf=pass (domain of ad*@yd.com.cn designates 103...32 as permitted sender) smtp.mailfrom=ad@yd.com.cn; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=yd**.cn	Pass pass (domain of ad*@yd.com.cn designates 103...32 as permitted sender) client-ip=103..*.32;
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Hotmail	Pass spf=pass (sender IP is 91...9) smtp.mailfrom=ul*.pl; dkim=pass (signature was verified) header.d=ul.pl;dmarc=pass action=none header.from=ul**.pl;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ul*.pl designates 91...9 as permitted sender) receiver=protection.outlook.com; client-ip=91...9; helo=mx1.ul*.pl;
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Yahoo	Pass atlas318.free.mail.bf1.yahoo.com; dkim=pass header.i=@ul*.pl header.s=ulcmail; spf=pass smtp.mailfrom=ul.pl; dmarc=pass(p=NONE) header.from=ul**.pl;	Pass pass (domain of ul*.pl designates 91..**.9 as permitted sender)
ms*@ul*.gov.pl	4/13/2022 2:49:19 AM	Gmail	Pass dkim=pass header.i=@ul*.pl header.s=ulcmail header.b=TMZEU4rd; spf=pass (domain of ms@ul.gov.pl designates 91...9 as permitted sender) smtp.mailfrom=ms@ul.gov.pl; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ul*.pl	Pass pass (domain of ms*@ul.gov.pl designates 91...9 as permitted sender) client-ip=91..*.9;
ms*@ul*.gov.pl	4/13/2022 1:45:04 AM	Hotmail	Pass spf=pass (sender IP is 91...9) smtp.mailfrom=ul*.pl; dkim=pass (signature was verified) header.d=ul.pl;dmarc=pass action=none header.from=ul**.pl;compauth=pass reason=100	Pass Pass (protection.outlook.com: domain of ul*.pl designates 91...9 as permitted sender) receiver=protection.outlook.com; client-ip=91...9; helo=mx1.ul*.pl;