3e.eu

Valid Email Server

Domain Overview

DNS: ✓ 24h ago Checker: ✓ 24h ago
3e.eu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 20:33:10 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

  • 3e-eu.mail.protection.outlook.com

MX Priorities

  • 3e-eu.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.3e.eu admin.3e.eu 2026060500 43200 7200 1209600 900
Primary NS (mname)
ns01.3e.eu
Admin Email (rname)
admin@3e.eu
Serial
2026060500
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns02.3e.eu
ns01.3e.eu

SPF Record

✓ Strict (-all)
v=spf1 ip4:188.118.57.242 ip4:188.118.57.246 ip4:188.118.57.241 ip4:80.65.132.109 ip4:80.65.130.3 ip4:80.65.132.99 ip4:62.8.12.134 ip4:159.117.152.98 ip4:159.117.145.178 include:_spf.mailersend.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.relay.mailprotect.be include:spf.tipimail.com include:_spf.psm.knowbe4.com include:25373524.spf04.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ 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

6 records
  • google-site-verification=5XIoMwt_F3q97lAHsCKAAm20dPz-r8dokp8dSfZWt8E
  • atlassian-domain-verification=GVh46HgCvZcsaPlA6UcVFWnlTz7rJJxx9Wxdf3e94VxponfOqdQ2FFlbTBVavY9k
  • _f2ga4h8dtm4l6qt9a6gdz2o0faqzqnc
  • MS=ms89632480
  • SPFv=spf1 ip4:188.118.57.242 ip4:188.118.57.246 ip4:188.118.57.241 ip4:80.65.132.109 ip4:80.65.130.3 ip4:80.65.132.99 ip4:62.8.12.134 ip4:159.117.152.98 ip4:159.117.145.178 include:_spf.mailersend.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.relay.mailprotect.be include:spf.tipimail.com include:_spf.psm.knowbe4.com include:25373524.spf04.hubspotemail.net -all
  • anthropic-domain-verification-2hq0ez=oX2OeTbMZ4QXwZCWEWNWbwgZd
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 3e.eu

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

No credit card required
Get 1,000 Free Credits