Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 14:16:43 UTC · ↺ Refresh
MX Hostnames
- gmco-com.mail.protection.outlook.com
MX Priorities
- gmco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.174.25.97 ↩ 97.25.174.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns81.worldnic.com namehost.worldnic.com 125071019 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125071019
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns82.worldnic.com
ns81.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.194.99.131 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net include:_spf.salesforce.com include:spf.circit.io -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- SPFv=spf1 ip4:216.194.99.131 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net include:_spf.salesforce.com include:spf.circit.io -all
- brevo-code:85f1fee24dd8790cfe328f4355b57167
- google-site-verification=Y6Z9dMVwrRkCSxivkUszJL15c9zVwB_SO3fjgS7H_Fk
- logmein-verification-code=bcc69140-7710-49a0-a0b6-7f2eb973106e
- ZOOM_verify_T9LvC4oOQISoWGm1JXIzQw
- MS=ms91137769
- google-site-verification=H2oj5nmwq0unB19BJ8DJXHcu8Y-pgKC27QElB608fEI
- adobe-idp-site-verification=d1797faee63e377334b3fcb0280ec56d96972206634439fdabb9c537b60a36fc
Full email verification for gmco.com
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