Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gtsi.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 16:14:25 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 5
A / AAAA Records
- 75.2.60.5 ↩ acd89244c803f7181.awsglobalaccelerator.com
- 99.83.231.61
Mail Server IPs
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:400d:c09::1b ↩ qk-in-x1b.1e100.net
- 2607:f8b0:400d:c00::1a ↩ qn-in-f26.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:400d:c09::1a ↩ qk-in-f26.1e100.net
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010249 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010249
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns4.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 a:eurus.sol.gtsi.com a:phobos.sol.gtsi.com include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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 a:eurus.sol.gtsi.com a:phobos.sol.gtsi.com include:_spf.google.com -all
- j04eivvnbg52saigqtuirp3d9j
- p9jhmkp0bbkcb0q0uqs3jtn6cm
Full email verification for gtsi.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits