Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
smallstep.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:14:06 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
MX Priorities
No priority data.
A / AAAA Records
- 34.117.219.211
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
dns1.p08.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:7748242.spf03.hubspotemail.net include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=reject; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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 include:_spf.google.com include:7748242.spf03.hubspotemail.net include:mailgun.org -all
- google-site-verification=4MmiszkvZ0W4-mVUq7rEc-zO9Rt-iCfZ5lxJWlzYzWA
- google-site-verification=N74VIKkvrIyDKlX-8AjJPPZ1ZCPr1k4oEKi5qHZ0cAU
Full email verification for smallstep.com
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