Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smtrs.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:29:55 UTC · ↺ Refresh
MX Hostnames
- d318919b.ess.barracudanetworks.com
- d318919a.ess.barracudanetworks.com
MX Priorities
- d318919b.ess.barracudanetworks.com: 50
- d318919a.ess.barracudanetworks.com: 10
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.dnsbycomodo.net admin.dns.com 2025073101 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2025073101
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s
Nameservers (NS)
ns2.dnsbycomodo.net
ns1.dnsbycomodo.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.intermedia.net include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- rippling-domain-verification=4f4b90434af6c71f
- SPFv=spf1 include:spf.protection.outlook.com include:spf.intermedia.net include:spf.ess.barracudanetworks.com ~all
- v=verifydomain MS=4450369
- MS=ms93681883
- apple-domain-verification=eOilxg4C6bT1zLV5
Full email verification for smtrs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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