Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nih.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:05:07 UTC · ↺ Refresh
MX Hostnames
- msgctr2.nih.org
- msgctr.nih.org
MX Priorities
- msgctr.nih.org: 10
- msgctr2.nih.org: 20
A / AAAA Records
- 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com
- 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
Mail Server IPs
- 199.26.184.18 ↩ msgctr.nih.org
SOA Record
Raw SOA
ns77.worldnic.com namehost.worldnic.com 126012911 10800 3600 604800 3600
Primary NS (mname)
ns77.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns78.worldnic.com
ns77.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.mtasv.net ~all
📊 DNS lookups: 3/10
~ 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
✗ 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
9 records- s21mmj4qy2bstwl03xv2p3wvdfqt64r3
- SPFv=spf1 a mx include:spf.mtasv.net ~all
- smartsheet-site-validation=cdZSFK_2-AmG1t-NLiGoSTOkXTI3T-B8
- atlassian-domain-verification=JR1fkN3TOAASUJt4WZaC18p4a7QyyIyXJyRupMwXbh0LNueE7BCy4QEN3JBrvpHs
- have-i-been-pwned-verification=a9e8a2dd06c7d8db2911209529e11c12
- n6wsxdbdbtb8fgxq6xyd0y96w8kqdt92
- atlassian-sending-do
- j2j7rk8nq8v2636p8h053frlt1cmtl8r
- atlassian-sending-domain-verification=f13dc3cd-9d74-4732-9933-6a795569e1b8
Full email verification for nih.org
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