Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onatech.com.ph
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:50:20 UTC · ↺ Refresh
MX Hostnames
- mail.posnuc.com
MX Priorities
- mail.posnuc.com: 10
A / AAAA Records
- 72.62.65.84 ↩ mail.posnuc.com
Mail Server IPs
- 72.62.65.84 ↩ mail.posnuc.com
SOA Record
Raw SOA
dns1.domains.ph sysadmin.domains.ph 2026022413 10800 3600 604800 3600
Primary NS (mname)
dns1.domains.ph
Admin Email (rname)
sysadmin@domains.ph
Serial
2026022413
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.domains.ph
dns1.domains.ph
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.posnuc.com ip4:72.62.65.84 include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:mail.posnuc.com ip4:72.62.65.84 include:sendgrid.net -all
Full email verification for onatech.com.ph
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits