Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
paceconstructionstl.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:44:29 UTC · ↺ Refresh
MX Hostnames
- paceconstructionstl-com.mail.protection.outlook.com
MX Priorities
- paceconstructionstl-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.166.12 (no PTR)
- 104.21.16.29 (no PTR)
- 2606:4700:3036::6815:101d
- 2606:4700:3037::ac43:a60c
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
angela.ns.cloudflare.com dns.cloudflare.com 2399593218 10000 2400 604800 1800
Primary NS (mname)
angela.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399593218
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
angela.ns.cloudflare.com
greg.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.computerstlouis.com ip4:74.118.10.71 ip4:168.245.93.106 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.computerstlouis.com ip4:74.118.10.71 ip4:168.245.93.106 -all
- MS=ms24033716
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