Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
1cpa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 13:56:23 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx1-us.emailsecurity.app: 0
- mx2-us.emailsecurity.app: 10
A / AAAA Records
- 35.215.95.82 ↩ 82.95.215.35.bc.googleusercontent.com
Mail Server IPs
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ns51.worldnic.com namehost.worldnic.com 125120815 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.worldnic.com
ns52.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.constantcontact.com include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- MS=ms92670822
- ppe-b4904a4b67c69137fa756c9294cfea149da1e718
- SPFv=spf1 include:spf.constantcontact.com include:spf.protection.outlook.com include:sendgrid.net -all
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