3-plan.ch

Valid Email Server

Domain Overview

DNS: ✓ 28d ago Checker: ✓ 28d ago
3-plan.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-09 05:42:09 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • 3plan-ch0c.mail.protection.outlook.com

MX Priorities

  • 3plan-ch0c.mail.protection.outlook.com: 10

A / AAAA Records

  • 149.126.4.88 ↩ s079.cyon.net
  • 2a01:ab20:0:4::88 ↩ s079.cyon.net

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info

SPF Record

✓ Strict (-all)
v=spf1 ip4:213.160.33.146/32 ip4:213.193.73.162/28 ip4:77.59.246.112/29 ip4:213.193.118.178/30 ip4:81.63.189.33/29 ip4:194.126.200.0/24 ip4:149.126.0.0/21 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

5 records
  • 6zg874gttswx34mtffx6s2h25h63f9s7
  • vffs997k5r4gckr6yf52q8xx7mlfz13r
  • apple-domain-verification=bmcMi90Z5MHuwb8l
  • SPFv=spf1 ip4:213.160.33.146/32 ip4:213.193.73.162/28 ip4:77.59.246.112/29 ip4:213.193.118.178/30 ip4:81.63.189.33/29 ip4:194.126.200.0/24 ip4:149.126.0.0/21 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
  • MS=ms49296141
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for 3-plan.ch

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits