rhsmith.umd.edu

Valid Email Server
Domain Lookup › rhsmith.umd.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rhsmith.umd.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 16:09:49 UTC · ↺ Refresh

MX Hostnames

  • mx1.umd.iphmx.com
  • mx2.umd.iphmx.com

MX Priorities

  • mx2.umd.iphmx.com: 20
  • mx1.umd.iphmx.com: 20

A / AAAA Records

  • 23.185.0.4 (no PTR)

Mail Server IPs

  • 216.71.149.111 ↩ esa5.umd.iphmx.com
  • 68.232.137.73 ↩ esa4.umd.iphmx.com
  • 216.71.140.161 ↩ esa6.umd.iphmx.com
  • 68.232.142.226 ↩ esa1.umd.iphmx.com
  • 216.71.149.190 ↩ esa7.umd.iphmx.com
  • 68.232.143.84 ↩ esa2.umd.iphmx.com
  • 68.232.131.46 ↩ esa3.umd.iphmx.com
  • 216.71.140.163 ↩ esa8.umd.iphmx.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 a:dom01.rhsmith.umd.edu a:dom02.rhsmith.umd.edu ip4:129.2.112.0/24 ip4:139.60.0.0/22 ip4:168.245.25.116 include:e2ma.net include:_spf.google.com include:spf1.formassembly.com ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._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

7 records
  • spf2.0/pra
  • SPFv=spf1 a:dom01.rhsmith.umd.edu a:dom02.rhsmith.umd.edu ip4:129.2.112.0/24 ip4:139.60.0.0/22 ip4:168.245.25.116 include:e2ma.net include:_spf.google.com include:spf1.formassembly.com ?all
  • google-site-verification=VqO0BExmwT15mpIAZJQTnydsenExenUQsd0JdQVYrqo
  • google-site-verification=iYv-E5sxvvOQEjuRyR0INxkS6ccmQWMunyC3Af8WV5c
  • e2ma-verification=mebbb
  • e2ma-verification=e8rcb
  • google-site-verification=XomHIt38esp_CE-SFe59I55gUJIB8zGRqY15nE3_lWg
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