Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
optifuse.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-01 15:45:58 UTC · ↺ Refresh
MX Hostnames
- optifuse-com.mail.protection.outlook.com
MX Priorities
- optifuse-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.72.112 (no PTR)
- 172.67.182.246 (no PTR)
- 2606:4700:3035::6815:4870
- 2606:4700:3033::ac43:b6f6
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ara.ns.cloudflare.com dns.cloudflare.com 2406424737 10000 2400 604800 1800
Primary NS (mname)
ara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406424737
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lewis.ns.cloudflare.com
ara.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:44.216.27.164 include:spf.protection.outlook.com include:one.zoho.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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 detectedNo 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- google-site-verification=WyBb1rukqU-aq98PvpzlTMYwisPWgNB1xugtr6gvQBo
- SPFv=spf1 ip4:44.216.27.164 include:spf.protection.outlook.com include:one.zoho.com -all
- google-site-verification=5N8ENCsPM-b7-z3MapPWFxsfhRsfj1CZmyM8yXWgm90
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 optifuse.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits