merck.cz

Registration

Registrar

REG-KEYSYSTEMS

Created

1996-02-08

Expires

2026-10-06 125 days left

Updated

2025-11-25

Name servers

• ns01.brandshelter.com
• ns02.brandshelter.net

DNS records live

NS

• ns01.brandshelter.com
• ns02.brandshelter.net

MX

• 10 mxa-005f4802.gslb.pphosted.com
• 10 mxb-005f4802.gslb.pphosted.com

TXT

• _8dnimuexlb2ldp4wms6xplebt5f6nm5
• v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_reports@m.group; ruf=mailto:dmarc_reports@m.group

Verified for

• Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf-005f4802.pphosted.com include:spf.protection.outlook.com mx ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_reports@m.group; ruf=mailto:dmarc_reports@m.group

policy: reject (enforced) · sp=reject

DKIM

no key found at common selectors

Linked from (2)

• czechms.org×1
• medima.cz×1