Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
square-9.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:25:33 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
MX Priorities
No priority data.
A / AAAA Records
- 23.185.0.3
- 2620:12a:8000::3
- 2620:12a:8001::3
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns3.worldnic.com
ns4.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:amazonses.com include:_spf.salesforce.com include:1783551.spf06.hubspotemail.net include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- atlassian-domain-verification=cCMU8JLMer4QGx5yaLmGu4KbHFRXUs/32Lx/7QlzxgEpjVvygyvTVyDlWKSvatuX
- duo_sso_verification=hNVcVhbm7b7eEmWlgcCSoLET8J5sRte64dnDJsJBnr8URc9pRQwDLOlacDPqLTit
- SPFv=spf1 include:_spf.google.com include:amazonses.com include:_spf.salesforce.com include:1783551.spf06.hubspotemail.net include:sendgrid.net -all
- google-site-verification=zik1gfSLJhV9FpQmEwAYIqfsDIlakLIuQJgPrV-pVIo
- MS=ms45690707
Full email verification for square-9.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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