Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centre-line.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:42:29 UTC · ↺ Refresh
MX Hostnames
- d316552b.ess.barracudanetworks.com
- d316552a.ess.barracudanetworks.com
MX Priorities
- d316552b.ess.barracudanetworks.com: 20
- d316552a.ess.barracudanetworks.com: 10
A / AAAA Records
- 34.174.186.220 ↩ 220.186.174.34.bc.googleusercontent.com
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.siteground.net dnsadmin.siteground266.com 100182 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@siteground266.com
Serial
100182
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:centre-line.com.spf.auto.dnssmarthost.net include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:centre-line.com.spf.auto.dnssmarthost.net include:spf.ess.barracudanetworks.com ~all
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]
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