swisstopo.ch

DNS records live

NS

• ins1.admin.ch
• ins2.admin.ch
• ins3.admin.ch
• ins4.admin.ch
• ins5.admin.ch

MX

• 10 mx01.mail.admin.ch
• 10 mx02.mail.admin.ch
• 10 mx03.mail.admin.ch
• 10 mx04.mail.admin.ch

Verified for

• Apple
• Atlassian
• Cisco
• Microsoft 365

Email authentication strong

SPF

v=spf1 include:amazonses.com redirect=_spfgroupb.admin.ch

missing all

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc.rua@admin.ch

policy: quarantine

DKIM

no key found at common selectors

Linked from (3)

• openmobilemaps.io×1
• geomatik.ch×1
• ch-open.ch×1