Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hrsa.gov
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 16:09:50 UTC · ↺ Refresh
MX Hostnames
- nihcesxwayst05.hub.nih.gov
- nihcesxway5.hub.nih.gov
- nihcesxway6.hub.nih.gov
- nihcesxwayst03.hub.nih.gov
- nihcesxway3.hub.nih.gov
- nihcesxway4.hub.nih.gov
- nihcesxwayst06.hub.nih.gov
- nihcesxwayst04.hub.nih.gov
MX Priorities
- nihcesxway6.hub.nih.gov: 10
- nihcesxwayst03.hub.nih.gov: 10
- nihcesxwayst04.hub.nih.gov: 10
- nihcesxwayst05.hub.nih.gov: 10
- nihcesxwayst06.hub.nih.gov: 10
- nihcesxway3.hub.nih.gov: 10
- nihcesxway4.hub.nih.gov: 10
- nihcesxway5.hub.nih.gov: 10
A / AAAA Records
- 162.99.249.241
- 2607:f220:410:405::a263:f9f1
Mail Server IPs
- 128.231.90.121 ↩ nihcesxway6.hub.nih.gov
- 2607:f220:404:8104::80e7:5a79 ↩ nihcesxway6.hub.nih.gov
- 165.112.13.34 ↩ nihcesxwayst03.hub.nih.gov
- 2607:f220:402:1a01::a570:d22 ↩ nihcesxwayst03.hub.nih.gov
- 165.112.13.42 ↩ nihcesxwayst04.hub.nih.gov
- 2607:f220:402:1a01::a570:d2a ↩ nihcesxwayst04.hub.nih.gov
- 165.112.13.46 ↩ nihcesxwayst05.hub.nih.gov
- 2607:f220:402:1a01::a570:d2e ↩ nihcesxwayst05.hub.nih.gov
- 165.112.13.54 ↩ nihcesxwayst06.hub.nih.gov
- 2607:f220:402:1a01::a570:d36 ↩ nihcesxwayst06.hub.nih.gov
SOA Record
Raw SOA
collins.ns.cloudflare.com dns.cloudflare.com 2400035159 10000 2400 604800 1800
Primary NS (mname)
collins.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400035159
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
collins.ns.cloudflare.com
steven.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:nih.gov ip4:128.121.42.218 include:ees.hhs.gov ip4:3.32.94.73 a:spf.servicenowservices.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- 3ms9wpynsj7ntm3cz8v2z5wkxkvvqv5w
- _u4q4fh8pi7q6rcasbqvken4fq4k5vss
- adobe-idp-site-verification=a8cac6bfb792055eedb05a454797fb3da8f92e2704942172754cb586ab6b5764
- docusign=047b2204-0dcc-4ead-8654-51fb92a92949
- docusign=2485d8b6-f19e-4116-85dc-6bef9cf2ce2c
- openai-domain-verification=dv-CHWw8KGNrNobWwf1ysbMcT7G
- pk0kssxvw5qdwhsyyx49x6prs8qlf8c8
- q0wg343v1m9ywj3htc6g9hws1zp3cz6c
- v2r3jy0ztblqm0zqrcqjhvcjmsn672k4
- SPFv=spf1 include:nih.gov ip4:128.121.42.218 include:ees.hhs.gov ip4:3.32.94.73 a:spf.servicenowservices.com ~all
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 hrsa.gov
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits