opinator.com

Valid Email Server
Domain Lookup › opinator.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
opinator.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 00:43:43 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

  • opinator-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 3.5.64.228 (no PTR)
  • 3.5.74.96 (no PTR)
  • 52.92.0.140
  • 3.5.75.96
  • 3.5.71.118
  • 3.5.66.45
  • 52.92.33.212
  • 3.5.65.148

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.126 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::e ↩ mail-miypr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1502.awsdns-59.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1502.awsdns-59.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-134.awsdns-16.com
ns-1502.awsdns-59.org
ns-1604.awsdns-08.co.uk
ns-840.awsdns-41.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=3600
✓ Reject — strongest protection
📋 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

13 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • zoho-verification=zb88695586.zmverify.zoho.eu
  • MS=ms31772066
  • _j93utb2kiwl7q6s3tul6lgmg45u216z
  • _s50ixhi64yxlat4jok6398wlbk13er5
  • _s88j1phkvkjmm93hnh1ds1se0ui40po
  • anthropic-domain-verification-99s5fe=qDU16PmCQ0DdJmysYe6NgQnJg
  • cursor-domain-verification-t5zjw2=xJKEJU4RWiU1QzREvFP8KkgSg
  • dgr70pnxv9v627x3t8190wr42tgqk44m
  • factorial-domain-verification=aMvrJVkqDQLWSPWeF2u9tdRC77ecGy2YvAoRQpzBF3KvAxTrwiPt6t6mKMtLEs1d
  • ftn7ly6qpt9h3wtt3ncbhvw3trrlr2kl
  • l4v2pyk56drb85j3r0grb4d2tbpzjvrf
  • site24x7-signals-domain-verification=0320b19104e9ca85bc529d8506437e6a
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 opinator.com

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

No credit card required
Get 1,000 Free Credits