Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
big-ip.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 22:29:30 UTC · ↺ Refresh
MX Hostnames
- d320593a.ess.barracudanetworks.com
- bigip-com0i.mail.protection.outlook.com
- d320593b.ess.barracudanetworks.com
MX Priorities
- d320593b.ess.barracudanetworks.com: 2
- d320593a.ess.barracudanetworks.com: 1
- bigip-com0i.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.77.102
- 172.67.206.178
- 2606:4700:3037::ac43:ceb2
- 2606:4700:3031::6815:4d66
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f902::2
SOA Record
Raw SOA
gina.ns.cloudflare.com dns.cloudflare.com 2396108445 10000 2400 604800 1800
Primary NS (mname)
gina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396108445
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gina.ns.cloudflare.com
ray.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:amazonses.com include:transmail.net include:zcsend.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms35489595
- atlassian-domain-verification=NtP7mz6Wd7gZimufe7xiMFYPyEsn7a1dN8sYaWPbEKzhs7QMsIYWNvWWIauvJB8f
- biglanguageip=wpe-verification
- google-site-verification=jFIl95t1dDpBUcePt8VfeIA31GuxVdbCso-ngKagWDA
- SPFv=spf1 include:sendgrid.net include:amazonses.com include:transmail.net include:zcsend.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
Full email verification for big-ip.com
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