Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builderschicago.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:33:39 UTC · ↺ Refresh
MX Hostnames
- builderschicago-com.mail.protection.outlook.com
MX Priorities
- builderschicago-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.85.96 (no PTR)
- 172.67.204.109 (no PTR)
- 2606:4700:3033::ac43:cc6d
- 2606:4700:3035::6815:5560
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
harleigh.ns.cloudflare.com dns.cloudflare.com 2399065029 10000 2400 604800 1800
Primary NS (mname)
harleigh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399065029
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ned.ns.cloudflare.com
harleigh.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:dispatch-us.ppe-hosted.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.smtp2go.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
5 records- ppe-78914b9112c34d6c23e004ece11d10ccafeed31b
- SPFv=spf1 a:dispatch-us.ppe-hosted.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.smtp2go.com ~all
- 0ed1fe018ada96032f5c5a4b35b82be9429f356383
- 168-93-120-154.ipv4.firstcomm.com
- google-site-verification=cf2dlPx1mcmb6PZGHiZsw4OU1NZZafWxy-p5DUqtKIo
Full email verification for builderschicago.com
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