a-f.ch

Valid Email Server

Domain Overview

DNS: ✓ 29d ago Checker: ✓ 29d ago
a-f.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-12 12:31:11 UTC · ↺ Refresh

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MX Hostnames

  • af-ch0c.mail.protection.outlook.com

MX Priorities

  • af-ch0c.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.215.158.186 (no PTR)

Mail Server IPs

  • 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
  • 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA anycast26.irondns.net dns.domaintechnology.ch 2026042900 14400 3600 1814400 1800
Primary NS (mname)
anycast26.irondns.net
Admin Email (rname)
dns@domaintechnology.ch
Serial
2026042900
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
1800s

Nameservers (NS)

anycast104.irondns.eu
anycast26.irondns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf-de.emailsignatures365.com include:spf-rzl.a-f.ch include:agenturserver.de ip4:212.120.32.150 ip4:5.148.168.234 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • domainVerification=f68eb389-17e2-4d05-9269-e5146c2fa405
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf-de.emailsignatures365.com include:spf-rzl.a-f.ch include:agenturserver.de ip4:212.120.32.150 ip4:5.148.168.234 -all
  • JiyTuYgCGo1Jjd+uC1Rl5FB+yveb9roHl43XzMEDocBDbN/27Wncml6AozPMbq6wgYFfr9Of1o8SCZ0AOHAcqg==
  • 1password-site-verification=UZMD2HSJDBHGBLJJVDYYXSI3NE
  • brevo-code:fc92c02c496b0079f9742e203ae2af3e
  • MS=E0A223E70C8075ACD81B65B0034E560368AF03A1
  • apple-domain-verification=NDy34YJ9hmqSHRoO
  • swisssign-check=N-PMt2qKlXaI-f7kq9f1NABhoLA
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