Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fb.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:16:31 UTC · ↺ Refresh
MX Hostnames
- fb-org.mail.protection.outlook.com
MX Priorities
- fb-org.mail.protection.outlook.com: 0
A / AAAA Records
- 23.239.28.132 ↩ 23-239-28-132.ip.linodeusercontent.com
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009244114 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009244114
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.fb.org._spf.dmarclj.com include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=0:1:d;
⚠ p=none — monitoring only, no enforcement
📋 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
8 records- hthslk9p1080hrss6xt04dlvm9s972vw
- google-site-verification=Jz5N9ryqNyEPwTxqD-rGqQVaCeRL1iQ3EAzzaixWd-0
- google-site-verification=2jb7ENqqSh5x-5-muFgcbjEAQh1uG1iq0yN5NDQ7tMs
- apple-domain-verification=SiqD4a16ju5J6GVe
- hibp-verify=dweb_5s2aa0ju0q98aqm76ashjmlp
- MS=ms24238061
- SPFv=spf1 include:_u.fb.org._spf.dmarclj.com include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com ~all
- dropbox-domain-verification=x8x4w00w4i8h
Full email verification for fb.org
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