isigenere.com

Valid Email Server
Domain Lookup › isigenere.com

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
isigenere.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 08:48:06 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

  • isigenere-com.mail.protection.outlook.com

MX Priorities

  • isigenere-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 87.98.231.2 ↩ cluster002.ovh.net

Mail Server IPs

  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.103.36 ↩ mail-miypr05cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com

SOA Record

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

Nameservers (NS)

ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mx.ovh.com include:145169372.spf05.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • linkedin-site-verification=47fe0df8-59cf-4e6c-987a-eae71ea2b6b3
  • SPFv=spf1 include:spf.protection.outlook.com include:mx.ovh.com include:145169372.spf05.hubspotemail.net ~all
  • mscid=9d60UeBAAtrDzjIA6TWraRbcH/UmGH3JapmfdXtxr6SWNe+tc66mbHnfnGY52EYrEnNQCGqMYyIAu0RApPGzSw==
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 isigenere.com

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

No credit card required
Get 1,000 Free Credits