Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
crp.com.pe
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 00:40:46 UTC · ↺ Refresh
MX Hostnames
- crp-com-pe.mail.protection.outlook.com
MX Priorities
- crp-com-pe.mail.protection.outlook.com: 1
A / AAAA Records
- 104.18.7.204 (no PTR)
- 104.18.6.204 (no PTR)
- 2606:4700::6812:7cc
- 2606:4700::6812:6cc
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
crp1ns.crp.com.pe dns.cloudflare.com 2403072836 10000 2400 604800 1800
Primary NS (mname)
crp1ns.crp.com.pe
Admin Email (rname)
dns@cloudflare.com
Serial
2403072836
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
crp2ns.crp.com.pe
crp1ns.crp.com.pe
SPF Record
✓ Strict (-all)
v=spf1 include:spf.masterbase.com include:spf.protection.outlook.com include:spf.US.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:spf.masterbase.com include:spf.protection.outlook.com include:spf.US.exclaimer.net -all
- MS=ms77540774
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
See demo & docs
Deep verification
Full email verification for crp.com.pe
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits