Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cornerstoneconstruction.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:20:26 UTC · ↺ Refresh
MX Hostnames
- mx10.antispam.mailspamprotection.com
- mx30.antispam.mailspamprotection.com
- mx20.antispam.mailspamprotection.com
MX Priorities
- mx20.antispam.mailspamprotection.com: 20
- mx30.antispam.mailspamprotection.com: 30
- mx10.antispam.mailspamprotection.com: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.111.121.216 ↩ 216.121.111.34.bc.googleusercontent.com
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1768405129 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1768405129
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:cornerstoneconstruction.org.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx include:cornerstoneconstruction.org.spf.auto.dnssmarthost.net ~all
- google-site-verification=HRWkFjnqx28IiTPR9jewZHAukNQO_vo0q1E2cBHY-6I
Full email verification for cornerstoneconstruction.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits