Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gilbertcook.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:18:47 UTC · ↺ Refresh
MX Hostnames
- gilbertcook-com.mail.protection.outlook.com
MX Priorities
- gilbertcook-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.145
- 198.185.159.144
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns41.worldnic.com namehost.worldnic.com 126031610 10800 3600 604800 3600
Primary NS (mname)
ns41.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031610
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns41.worldnic.com
ns42.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:72.255.94.154 ip4:72.255.94.155 ip4:72.255.94.156 ip4:4.43.133.110 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- SPFv=spf1 ip4:72.255.94.154 ip4:72.255.94.155 ip4:72.255.94.156 ip4:4.43.133.110 include:spf.protection.outlook.com ~all
- cisco-ci-domain-verification=6fe4a320ad057981a22da5ba7f9fcbf5724195fc027c97a4488b741a064929da
Full email verification for gilbertcook.com
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