cuvs.org

Valid Email Server
Domain Lookup › cuvs.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cuvs.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 12:53:28 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10
  • aspmx.l.google.com: 1
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 23.185.0.3 (no PTR)
  • 2620:12a:8001::3 (no PTR)
  • 2620:12a:8000::3

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA dns.cit.cornell.edu nsmaster.cornell.edu 3603180802 1860 600 2592000 3600
Primary NS (mname)
dns.cit.cornell.edu
Admin Email (rname)
nsmaster@cornell.edu
Serial
3603180802
Refresh
1860s
Retry
600s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

dns.cit.cornell.edu
drdns.cit.cornell.edu
drdns2.cit.cornell.edu
cudns.cit.cornell.edu
bigred.cit.cornell.edu

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.smtp2go.com include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
google._domainkey
default._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

3 records
  • SPFv=spf1 include:_spf.google.com include:spf.smtp2go.com include:spf.protection.outlook.com include:spfa.cpmails.com -all
  • MS=4275BC3A5A234E9E59F079484C7A26DE214FA00A
  • MS=ms34646732
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