crespi.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
crespi.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 22:00:05 UTC ยท โ†บ Refresh

MX Hostnames

  • crespi-org.mail.protection.outlook.com

MX Priorities

  • crespi-org.mail.protection.outlook.com: 3600

A / AAAA Records

  • 104.21.74.251 (no PTR)
  • 172.67.209.16 (no PTR)
  • 2606:4700:3033::ac43:d110
  • 2606:4700:3031::6815:4afb

Mail Server IPs

  • 52.101.9.26 โ†ฉ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.41.0 โ†ฉ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.10.8 โ†ฉ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.8.51 โ†ฉ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: โ†ฉ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 โ†ฉ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 โ†ฉ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 โ†ฉ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA josh.ns.cloudflare.com dns.cloudflare.com 2399343731 10000 2400 604800 1800
Primary NS (mname)
josh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399343731
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

leah.ns.cloudflare.com
josh.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:sendgrid.net ip4:12.86.147.218 ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • MS=ms61021297
  • google-site-verification=x34FhCAIusWaN-NldrK-2wCuzgzr1kT9xH8kF_ovHvs
  • SPFv=spf1 mx include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:sendgrid.net ip4:12.86.147.218 ~all
  • 4Y3R8895K0V6XNV6QHFFCXWA2O90PS5USB5L37R96
  • MS=ms52556439
Full email verification for crespi.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits