Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trexsolutionsllc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:29:24 UTC · ↺ Refresh
MX Hostnames
- trexsolutionsllc-com.mail.protection.outlook.com
MX Priorities
- trexsolutionsllc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 185.125.186.181 ↩ wp101.mosaicdataservices.com
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 2021050401 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2021050401
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.236.25.128/28 include:emsd1.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ 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
✓ 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
9 records- google-site-verification=K1VQta0h9kB6euWYSu0kghXb5sc4aroSdXSgIOPXfEM
- SPFv=spf1 ip4:50.236.25.128/28 include:emsd1.com include:spf.protection.outlook.com -all
- atlassian-domain-verification=mJ5ClnLWI8db3WkWUtve2HIGCj4MVMar20/vdzmo4ryrt6hZjpmRRAisiwDmXp0m
- "MS=ms44074124"
- "docusign=0983ce53-4874-428f-9ea8-c50a8709bf81"
- "trexgraph.azurewebsites.net"
- "blf2gcd2d570p3n2locqdir1a3"
- rg8gggco7m2o0eauvpocl7hrjs
- "epk3juika3lo6mk1n6uf2qehj2"
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