Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colinsgrp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 17:28:28 UTC · ↺ Refresh
MX Hostnames
- colinsgrp-com.mail.protection.outlook.com
MX Priorities
- colinsgrp-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-896.awsdns-48.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 7200
Primary NS (mname)
ns-896.awsdns-48.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns-1301.awsdns-34.org
ns-1956.awsdns-52.co.uk
ns-312.awsdns-39.com
ns-896.awsdns-48.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:18.189.9.169 ip4:65.127.243.205 ip4:216.106.25.248 include:u50856781.wl032.sendgrid.net include:spfa.cpmails.com include:spf.protection.outlook.com include:amazonses.com include:_spf.salesforce.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;ruf=mailto:[email protected]; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- have-i-been-pwned-verification=892b3206faffa79ef8d25551a5a1828e
- SPFv=spf1 ip4:18.189.9.169 ip4:65.127.243.205 ip4:216.106.25.248 include:u50856781.wl032.sendgrid.net include:spfa.cpmails.com include:spf.protection.outlook.com include:amazonses.com include:_spf.salesforce.com ~all
- amazonses:3NSxJaeesLmIZ/OYMep7v///GVTNuDUeDkVO2SzkX88=
- amazonses:SMIyTdUCjUAVaWcY09MK4Pruk24fftGgLoAMayHR/NI=
- atlassian-domain-verification=e0BO9zTea1CPDeK0/x1h9nbJfaWTJP/FAJtXNzGerD2jz6aJjqc4xsH8U73fWVJn
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