Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
collierandcollier.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:53:20 UTC · ↺ Refresh
MX Hostnames
- collierandcollier-com.mail.protection.outlook.com
MX Priorities
- collierandcollier-com.mail.protection.outlook.com: 10
A / AAAA Records
- 192.124.249.4 ↩ cloudproxy10004.sucuri.net
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.wiredtree.com dns.wiredtree.com 2018072700 10800 3600 604900 86400
Primary NS (mname)
ns1.wiredtree.com
Admin Email (rname)
dns@wiredtree.com
Serial
2018072700
Refresh
10800s
Retry
3600s
Expire
604900s
Minimum TTL
86400s
Nameservers (NS)
ns2.wiredtree.com
ns1.wiredtree.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms61392123
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for collierandcollier.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits