Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
bifirm.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-05-21 08:04:07 UTC ยท โบ Refresh
MX Hostnames
- bifirm-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 104.21.35.237
- 172.67.180.176
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
phil.ns.cloudflare.com
lady.ns.cloudflare.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
s1._domainkey
s2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- have-i-been-pwned-verification=4dc07e1165237a5162edfaf4dc34b1a2
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms54059385
- google-site-verification=Tveh0WQv7fI3Dzrienu_7D_ZHXpSdrZDsl_qLzE8fe8
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for bifirm.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits