Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ust.edu.ph
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 18:21:02 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.ust.edu.ph 151 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@ust.edu.ph
Serial
151
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:_spf.google.com include:spf.mailjet.com include:ap.rp.oracleemaildelivery.com include:spf-ap.exlibrisgroup.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 a include:_spf.google.com include:spf.mailjet.com include:ap.rp.oracleemaildelivery.com include:spf-ap.exlibrisgroup.com ~all
- openatts a=dns-did; p=did:ethr:0xe689b9d365038035254d3e2db704bab6562b4208#controller; v=1.0;
Full email verification for ust.edu.ph
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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