Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
csionline.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 06:23:14 UTC · ↺ Refresh
MX Hostnames
- d147038b.ess.barracudanetworks.com
- d147038a.ess.barracudanetworks.com
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.11
- 141.193.213.10
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns2.rehmanntechnologysolutions.com
ns5.rehmanntechnologysolutions.com
ns6.rehmanntechnologysolutions.com
ns4.rehmanntechnologysolutions.com
ns1.rehmanntechnologysolutions.com
ns3.rehmanntechnologysolutions.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com mx ip4:75.151.26.181 ip4:12.5.46.250 ip4:96.75.50.217 ip4:167.89.23.12 ip4:167.89.23.191 ip4:148.163.142.190 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:relay.mailchannels.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 include:_spf.mlsend.com mx ip4:75.151.26.181 ip4:12.5.46.250 ip4:96.75.50.217 ip4:167.89.23.12 ip4:167.89.23.191 ip4:148.163.142.190 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:relay.mailchannels.net -all
- knowbe4-site-verification=60b962e103f649784e1ebce768040fe7
- brevo-code:1ffe98fe5dee56042348d5a42638de1c
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