Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
northropgrumman.com
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 11:19:20 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ngdnsw.northgrum.com ng-dns-admin.ngc.com 2012022084 3600 1800 604800 300
Primary NS (mname)
ngdnsw.northgrum.com
Admin Email (rname)
ng-dns-admin@ngc.com
Serial
2012022084
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
po.northgrum.com
dnsdal.northgrum.com
sunrise.northgrum.com
sundown.northgrum.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
7 records- google-site-verification=gFInby-v6r1fGSC82Wv-1BQ5lIqjDufSyDpFrK1FoCM
- google-site-verification=Pc4z-hYGv9UcRV98AK_69MLxw_fx_S2PLdJpbTt_ZoU
- google-site-verification=KE9SyZK7R1iD02C8k1AGxDk6MJTgfNTWtZvEx883pI4
- nt6snkcn3374u225f2acu3tmhg
- ikr04kgu2apn5hamjkvp8a4j7b
- rss4oi82ogupmg31jdmn6q9m7f
- _hcfzqju9uw1jjegoypo4gqgacx1ap43
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 northropgrumman.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits