Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cco-ks.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 19:44:47 UTC · ↺ Refresh
MX Hostnames
- ccoks-com0i.mail.protection.outlook.com
MX Priorities
- ccoks-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 35.208.38.128 ↩ 128.38.208.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.silverlinesolutions.com hostmaster.silverlinesolutions.com 2023102318 900 600 86400 3600
Primary NS (mname)
ns1.silverlinesolutions.com
Admin Email (rname)
hostmaster@silverlinesolutions.com
Serial
2023102318
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns2.silverlinesolutions.com
ns1.silverlinesolutions.com
ns3.silverlinesolutions.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com include:emailsrvr.com include:constantcontact.com include:confirmedcc.com include:_spf.elasticemail.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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
2 records- MS=ms21442167
- SPFv=spf1 a include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com include:emailsrvr.com include:constantcontact.com include:confirmedcc.com include:_spf.elasticemail.com ~all
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