tfb.ch

Valid Email Server
Domain Lookup › tfb.ch

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
tfb.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-10 16:47:19 UTC · ↺ Refresh

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MX Hostnames

  • tfb-ch.mail.protection.outlook.com

MX Priorities

  • tfb-ch.mail.protection.outlook.com: 10

A / AAAA Records

  • 83.228.192.62 ↩ ov-f5be7c.infomaniak.ch

Mail Server IPs

  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns31.infomaniak.ch hostmaster.infomaniak.ch 2026033416 10800 3600 605800 3600
Primary NS (mname)
ns31.infomaniak.ch
Admin Email (rname)
hostmaster@infomaniak.ch
Serial
2026033416
Refresh
10800s
Retry
3600s
Expire
605800s
Minimum TTL
3600s

Nameservers (NS)

ns31.infomaniak.ch
ns32.infomaniak.ch

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.tfb.ch a:mail2.tfb.ch ip4:62.2.151.250 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net ip4:185.185.202.3 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • 9jnb7q4q1n1eod2j7oc9sn2ai8
  • SPFv=spf1 mx a:mail.tfb.ch a:mail2.tfb.ch ip4:62.2.151.250 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net ip4:185.185.202.3 -all
  • re9k8evdL7HaYbMjoX5ARhn5+7LO95FvvvEZ8rZqIdqPg0sVPExcw+esiZ/4s0VEGiJFOkjvtzdgAjZ9DZTwKg==
  • mandrill_verify.YNVNZpIIlDLr1Fw8Tgxcsw
  • ukoucu32piuf94l49hba8980ad
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