Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
massagent.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:43:18 UTC · ↺ Refresh
MX Hostnames
- d247714a.ess.barracudanetworks.com
- d247714b.ess.barracudanetworks.com
MX Priorities
- d247714a.ess.barracudanetworks.com: 15
- d247714b.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.21.53.9 (no PTR)
- 172.67.206.253 (no PTR)
- 2606:4700:3033::ac43:cefd (no PTR)
- 2606:4700:3033::6815:3509 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
art.ns.cloudflare.com dns.cloudflare.com 2398479170 10000 2400 604800 1800
Primary NS (mname)
art.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398479170
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sue.ns.cloudflare.com
art.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:52.190.28.69 ip4:216.116.192.0/24 ip4:162.248.253.243 include:email.nimbleams.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- SPFv=spf1 ip4:52.190.28.69 ip4:216.116.192.0/24 ip4:162.248.253.243 include:email.nimbleams.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
- MS=ms21584798
- duo_sso_verification=4wi5g7k35udCGlDXwdTMn2VEeeEoEyfa3keRkEznGgqSbBTBH3VN1PI7dpOCicD6
- google-site-verification=S5mIz1P-0hcLRpTTUOfl1qNgKyJ753dRQgu3Z6-_xcw
Full email verification for massagent.com
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