Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preventblindness.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 01:07:19 UTC · ↺ Refresh
MX Hostnames
- preventblindness-org.mail.protection.outlook.com
MX Priorities
- preventblindness-org.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.190.70 (no PTR)
- 104.21.92.81 (no PTR)
- 2606:4700:3033::6815:5c51
- 2606:4700:3035::ac43:be46
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
adam.ns.cloudflare.com dns.cloudflare.com 2399185074 10000 2400 604800 1800
Primary NS (mname)
adam.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399185074
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
hope.ns.cloudflare.com
adam.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:104.21.48.227 ip4:199.250.222.125 include:spf.protection.outlook.com Include:outboundmail.blackbaud.net include:mailgun.org ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- Er8-%4r-Ghy
- google-site-verification=Xizom2-s-mpAq8bWP_y_fBTyoOVyWBayOPb8fJEbWXM
- google-site-verification=g0zo0LKykmk5yrvSuZl75ouRBF44lI5GlzilPid8zeM
- SPFv=spf1 a mx ip4:104.21.48.227 ip4:199.250.222.125 include:spf.protection.outlook.com Include:outboundmail.blackbaud.net include:mailgun.org ~all
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