webster.ch

Valid Email Server
Domain Lookup › webster.ch

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
webster.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-09 07:14:30 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • webster-ch.mail.protection.outlook.com: 1

A / AAAA Records

  • 52.73.2.219 ↩ ec2-52-73-2-219.compute-1.amazonaws.com
  • 34.236.193.193 ↩ ec2-34-236-193-193.compute-1.amazonaws.com
  • 3.209.26.193

Mail Server IPs

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

SOA Record

Raw SOA ns11.infomaniak.ch hostmaster.infomaniak.ch 2026090327 10800 3600 605800 3600
Primary NS (mname)
ns11.infomaniak.ch
Admin Email (rname)
hostmaster@infomaniak.ch
Serial
2026090327
Refresh
10800s
Retry
3600s
Expire
605800s
Minimum TTL
3600s

Nameservers (NS)

ns12.infomaniak.ch
ns11.infomaniak.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:52.45.50.190 ip4:54.146.129.215 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:52.45.50.190 ip4:54.146.129.215 -all
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