Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cso.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:31:53 UTC · ↺ Refresh
MX Hostnames
- cso-org.mail.protection.outlook.com
MX Priorities
- cso-org.mail.protection.outlook.com: 5
A / AAAA Records
- 52.162.107.9 (no PTR)
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010437 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010437
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns4.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net ip4:52.124.61.212 ip4:166.90.77.125 ip4:38.130.85.25 ip4:159.183.75.248 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._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
10 records- 38adc58e-fbcf-4fc5-bf8e-1070a4e15403
- facebook-domain-verification=skitivf2r1kzg8wsk8dsobgde6iquf
- apple-domain-verification=fUq8yNSpucqRJh5ovOGg5-X2oa0N_RkpWOVvNDO4u50
- PocKVaTF4H9fJkjaaElbQZRUkrXgZRqNP5DnhUUDDey5IHEdHtx4MIuaPpoUNjw3r5tBUv0QsbSMwuR3kZmRWQ==
- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net ip4:52.124.61.212 ip4:166.90.77.125 ip4:38.130.85.25 ip4:159.183.75.248 ~all
- google-site-verification=zvSJIn-ZvCkqImWNUJ34iWn29-mBQ3eS_do6fFosaew
- 6mrbsjhjguptilk4c2lrtalvjt
- MS=ms51585516
- dropbox-domain-verification=v2tr9lt3m5rg
- facebook-domain-verification=1eddlmjdxbmx3gyxf0ml8djja5ivs7
Full email verification for cso.org
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