Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dominican.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 07:14:40 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
SOA Record
Raw SOA
abby.ns.cloudflare.com dns.cloudflare.com 2396727804 10000 2400 604800 1800
Primary NS (mname)
abby.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396727804
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
abby.ns.cloudflare.com
david.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:75.101.47.58 ip4:198.187.196.0/24 ip4:54.240.121.247 ip4:54.240.121.248 a:helpdesk.dominican.edu include:_spf.google.com include:sendgrid.net include:amazonses.com include:marin-sra.iii.com include:marinet.lib.ca.us include:spf.protection.outlook.com include:cust-spf.cashnet.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
6 records- atlassian-domain-verification=/Cvy4oKQj90EC4IZSwu3/U/nFDBLiPkyD8qb26dxkaIUzYRyV1w9BSB6WA/Acjfl
- google-site-verification=TVlB9fpQ8IsVRSlHYdHzImbVJkQ0I2GAZxCpVaMAIOg
- SPFv=spf1 mx ip4:75.101.47.58 ip4:198.187.196.0/24 ip4:54.240.121.247 ip4:54.240.121.248 a:helpdesk.dominican.edu include:_spf.google.com include:sendgrid.net include:amazonses.com include:marin-sra.iii.com include:marinet.lib.ca.us include:spf.protection.outlook.com include:cust-spf.cashnet.com ~all
- MS=34CD7678B61B1CCF1C917C5DF951CAC9E1A465BB
- ZOOM_verify_nuSojCtwSpuUWMW-QI6bHw
- apple-domain-verification=yjzFlL2Zetv96BAV
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for dominican.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits