Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmcocorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 16:59:18 UTC · ↺ Refresh
MX Hostnames
- gmcocorp-com.mail.protection.outlook.com
MX Priorities
- gmcocorp-com.mail.protection.outlook.com: 1
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns85.worldnic.com namehost.worldnic.com 125072911 10800 3600 604800 3600
Primary NS (mname)
ns85.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125072911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns85.worldnic.com
ns86.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:173.10.86.9 ip4:75.146.57.173 include:spf.protection.outlook.com include:spf.constantcontact.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=jqOebP8GMnFvVbo9
- MS=ms20085282
- SPFv=spf1 ip4:173.10.86.9 ip4:75.146.57.173 include:spf.protection.outlook.com include:spf.constantcontact.com ~all
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