Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cdiohio.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:24:00 UTC · ↺ Refresh
MX Hostnames
- cdiohio-org.mail.protection.outlook.com
MX Priorities
- cdiohio-org.mail.protection.outlook.com: 0
A / AAAA Records
- 50.62.172.157 ↩ 157.172.62.50.host.secureserver.net
- 45.40.155.190 ↩ 190.155.40.45.host.secureserver.net
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com 13 21600 3600 259200 300
Primary NS (mname)
ns-cloud-d1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
13
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-d2.googledomains.com
ns-cloud-d4.googledomains.com
ns-cloud-d1.googledomains.com
ns-cloud-d3.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- MS=ms97408438
- r7k38vvdv21qis4q6gk60kn9oj
- SPFv=spf1 include:spf.protection.outlook.com -all
- db5412l0datpslr05kpju61pb6
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