Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marblesystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 11:18:05 UTC · ↺ Refresh
MX Hostnames
- marblesystems-com.mail.protection.outlook.com
MX Priorities
- marblesystems-com.mail.protection.outlook.com: 10
A / AAAA Records
- 34.138.157.71 ↩ 71.157.138.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.worldnic.com namehost.worldnic.com 126030912 10800 3600 604800 3600
Primary NS (mname)
ns25.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns25.worldnic.com
ns26.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
13 records- SPFv=spf1 include:spf.protection.outlook.com -all
- kdadpe3kpldorubih62mgh1tkb
- ob4poe3stoc0fahafk6g7eqhc8
- ahrefs-site-verification_126ccdd70e07ca1056dc757f25378cd7141d8cc88445c2652056e7b910613f31
- othlume20oju2nus4o0jh7842s
- 2tqi0kh5gfhdn6i6lkdq94oee0
- google-site-verification=wiUTyyhr8sniqli8C3wCoU2ZsbhRLwLokxkUU3vmZ6s
- MS=ms69936630
- zoho-verification=zb15623531.zmverify.zoho.com
- google-site-verification=V5Gb7_SnUgshzvzysizoxAFkuPtFCAtaBCxZMofZRPk
- pr361l0dmdtcojfoujv8bid36i
- qi4efv7ktgu1q3lg507gqojn84
- MS=2AAFDE4B4E6478FAE881A1990220B2293A9DDEC8
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