Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concretesupplyco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:13:04 UTC · ↺ Refresh
MX Hostnames
- concretesupplyco-com.mail.protection.outlook.com
MX Priorities
- concretesupplyco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.134.37 (no PTR)
- 104.21.6.12 (no PTR)
- 2606:4700:3037::6815:60c
- 2606:4700:3034::ac43:8625
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2397956222 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397956222
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
izabella.ns.cloudflare.com
david.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
8 records- Foxit-domain-verification=fc0412e775f2b1860b0e6bff8b1e5187
- box-domain-verification=a6bb2c37b4a580b404540939b58525455b74c4f3289a3b8fe23d799943ac3324
- google-site-verification=iyGErh5np0coCNczm96RIghJPLD15wX1JhzAAmZXLIA
- klaviyo-site-verification=WbEy6i
- pgbc17otno0useb3kohkvphen0
- smartsheet-site-validation=XW0qB4Pt9g9bfD4tFGRKjr29Z5cGfyog
- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:sendgrid.net -all
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