regulus.com

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

Domain Overview

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

Checked via [email protected] · 2026-09-04 14:36:12 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

  • regulus-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 51.17.208.36 ↩ ec2-51-17-208-36.il-central-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.181.153 ↩ mail-wa4pr04cu00101.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.upress.io hostmaster.regulus.com 2026082900 3600 3600 1209600 86400
Primary NS (mname)
ns1.upress.io
Admin Email (rname)
hostmaster@regulus.com
Serial
2026082900
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.upress.io
ns2.upress.io

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 mx include:spf.protection.outlook.com include:_spf.google.com -all
  • openai-domain-verification=dv-s0ZRIbw0o8R4RxMR3ZJVbAke
  • anthropic-domain-verification-fvz000=JSce0dyAn8g0eb3tupbXnyILk
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 regulus.com

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

No credit card required
Get 1,000 Free Credits