Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
4-cpa.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-18 12:28:04 UTC ยท โบ Refresh
MX Hostnames
- 4cpa-com0c.mail.protection.outlook.com
MX Priorities
- 4cpa-com0c.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.11.10 โฉ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.11.13 โฉ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.8.34 โฉ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.50.13 โฉ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 โฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 โฉ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c936:: โฉ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 โฉ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
arya.ns.cloudflare.com dns.cloudflare.com 2397210816 10000 2400 604800 1800
Primary NS (mname)
arya.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397210816
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
derek.ns.cloudflare.com
arya.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
โ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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 4-cpa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits