Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smartstop.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:47:43 UTC · ↺ Refresh
MX Hostnames
- d260529a.ess.barracudanetworks.com
- d260529b.ess.barracudanetworks.com
MX Priorities
- d260529b.ess.barracudanetworks.com: 20
- d260529a.ess.barracudanetworks.com: 10
A / AAAA Records
- 52.1.100.15 ↩ ec2-52-1-100-15.compute-1.amazonaws.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns29.domaincontrol.com dns.jomax.net 2026012800 28800 7200 604800 3600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns29.domaincontrol.com
ns30.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:r20.rs6.net a:rs6.net ip4:208.75.120.0/22 ip4:64.58.136.128/28 ip4:34.105.97.52 include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.axxerion.com include:spf.maropost.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms24608643
- SPFv=spf1 a:r20.rs6.net a:rs6.net ip4:208.75.120.0/22 ip4:64.58.136.128/28 ip4:34.105.97.52 include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.axxerion.com include:spf.maropost.com -all
- apple-domain-verification=V2pE26sY9hhRLMnKE-ARKu_bbSFhrLRPmWH6UvOpbvk
- autodesk-domain-verification=9rXiQummFsEaYeTg9AvM
- h79vs2fslm7s7ebrbgb10fhk09
Full email verification for smartstop.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits