Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
jbsconstructiongroup.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 13:42:36 UTC · ↺ Refresh
MX Hostnames
- d344238a.ess.barracudanetworks.com
- d344238b.ess.barracudanetworks.com
MX Priorities
- d344238b.ess.barracudanetworks.com: 20
- d344238a.ess.barracudanetworks.com: 10
A / AAAA Records
- 15.197.148.33
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.jbsconstructiongroup.com 1752767481 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@jbsconstructiongroup.com
Serial
1752767481
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns55.domaincontrol.com
ns56.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for jbsconstructiongroup.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits