Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3gcos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 03:36:43 UTC · ↺ Refresh
MX Hostnames
- 3gcos-com.mail.protection.outlook.com
MX Priorities
- 3gcos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 147.182.177.108 ↩ 1092021.cloudwaysapps.com
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns9.worldnic.com namehost.worldnic.com 125102711 10800 3600 604800 3600
Primary NS (mname)
ns9.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125102711
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns10.worldnic.com
ns9.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.salesforce.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- amazon-business-verification=8d6400e570192890b1902f6380f9bc103e84646b53c92febdf419e399b467d98
- apple-domain-verification=6acMOO34eFwb6UwL
- MS=ms73442512
- zoho-verification=zb19128047.zmverify.zoho.com
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.salesforce.com ~all
- knowbe4-site-verification=ae825f827219f34fd2b197b4c83e8e9d
Full email verification for 3gcos.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits