Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uprm.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 23:21:05 UTC · ↺ Refresh
MX Hostnames
- ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ASPMX3.GOOGLEMAIL.COM
- ASPMX2.GOOGLEMAIL.COM
MX Priorities
- aspmx2.googlemail.com: 30
- aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 20
- aspmx3.googlemail.com: 30
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 136.145.30.109 ↩ www.uprm.edu
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
dns1.uprm.edu martin.uprm.edu 2026031802 14400 3600 604800 300
Primary NS (mname)
dns1.uprm.edu
Admin Email (rname)
martin@uprm.edu
Serial
2026031802
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns1.ece.uprm.edu
dns2.ece.uprm.edu
ns4.uprm.edu
dns2.uprm.edu
upr1.upr.edu
ns1.uprm.edu
dns1.uprm.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 a:uprm2.uprm.edu a:mail.uprm.edu a:mail2.uprm.edu ip4:136.145.218.97 ip4:136.145.218.98 ip4:64.178.213.28/32 ip6:2603:10b6::/32 ip6:2a01:111::/32 include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=ACYWwNOwtvYljMYjP5_HcWwoN5ldLhNNSCqvycAcV7k
- SPFv=spf1 a:uprm2.uprm.edu a:mail.uprm.edu a:mail2.uprm.edu ip4:136.145.218.97 ip4:136.145.218.98 ip4:64.178.213.28/32 ip6:2603:10b6::/32 ip6:2a01:111::/32 include:_spf.google.com ~all
Full email verification for uprm.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits