Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sjcco.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 22:49:23 UTC · ↺ Refresh
MX Hostnames
- d249219b.ess.barracudanetworks.com
- d249219a.ess.barracudanetworks.com
MX Priorities
- d249219a.ess.barracudanetworks.com: 0
- d249219b.ess.barracudanetworks.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns31.cloudns.net support.cloudns.net 2026030601 7200 1800 1209600 3600
Primary NS (mname)
dns31.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026030601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pns32.cloudns.net
pns33.cloudns.net
pns31.cloudns.net
pns34.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:172.103.37.250 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:208.117.51.168 ip4:162.216.251.0/24 ip4:35.236.56.251 ip4:162.216.252.0/24 ip4:168.245.53.124 ip4:149.72.193.80 ip4:149.72.202.3 ip4:149.72.133.214 ip4:167.89.11.197 include:spf.protection.outlook.com include:dhl.sjcco.com include:spf.ess.barracuda.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; aspf=s; adkim=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
1 record- SPFv=spf1 ip4:172.103.37.250 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:208.117.51.168 ip4:162.216.251.0/24 ip4:35.236.56.251 ip4:162.216.252.0/24 ip4:168.245.53.124 ip4:149.72.193.80 ip4:149.72.202.3 ip4:149.72.133.214 ip4:167.89.11.197 include:spf.protection.outlook.com include:dhl.sjcco.com include:spf.ess.barracuda.com -all
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