Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sheffieldconstructionco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:17:41 UTC · ↺ Refresh
MX Hostnames
- mx2-us1.ppe-hosted.com
- mx1-us1.ppe-hosted.com
MX Priorities
- mx2-us1.ppe-hosted.com: 10
- mx1-us1.ppe-hosted.com: 10
A / AAAA Records
- 216.162.131.206 ↩ websvr1.computerprosinc.com
Mail Server IPs
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
SOA Record
Raw SOA
ns01.computerprosinc.com support.computerprosinc.com 2026031500 3600 7200 1209600 86400
Primary NS (mname)
ns01.computerprosinc.com
Admin Email (rname)
support@computerprosinc.com
Serial
2026031500
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns02.computerprosinc.com
ns01.computerprosinc.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.162.131.206 ip4:216.162.131.206 a a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 ip4:216.162.131.206 ip4:216.162.131.206 a a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
Full email verification for sheffieldconstructionco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits