Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
herbstrong.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:40:37 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
No priority data.
A / AAAA Records
- 23.227.38.65
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns2.namebrightdns.com
ns1.namebrightdns.com
SPF Record
✓ Strict (-all)
v=spf1 a:smtpout1.namebrightmail.com a:smtpout2.namebrightmail.com include:namebrightmail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=YourUniqueGoogleVerificationCode
- google-site-verification=vmva-dBPuAXN2u8YA19PWYpqQhn7NLFeNB83D4pding
- google-site-verification=ozGrJK8ObIOEXcqqUTqUfaTjtay39TZwdVWLDBMcIBY
- SPFv=spf1 a:smtpout1.namebrightmail.com a:smtpout2.namebrightmail.com include:namebrightmail.com -all
Full email verification for herbstrong.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits