Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
interodigital.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:27:34 UTC · ↺ Refresh
MX Hostnames
- d350710b.ess.barracudanetworks.com
- d350710a.ess.barracudanetworks.com
MX Priorities
- d350710b.ess.barracudanetworks.com: 10
- d350710a.ess.barracudanetworks.com: 5
A / AAAA Records
- 104.26.7.76 (no PTR)
- 172.67.73.24 (no PTR)
- 104.26.6.76 (no PTR)
- 2606:4700:20::ac43:4918 (no PTR)
- 2606:4700:20::681a:74c (no PTR)
- 2606:4700:20::681a:64c (no PTR)
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
austin.ns.cloudflare.com dns.cloudflare.com 2396749412 10000 2400 604800 1800
Primary NS (mname)
austin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396749412
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
austin.ns.cloudflare.com
nicole.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.intacct.com include:_spf.salesforce.com include:6110094.spf03.hubspotemail.net include:spf.ess.barracudanetworks.com include:sendgrid.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],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
9 records- mandrill_verify.2emu4xrydDTZQVwGVWxf1g
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:_spf.intacct.com include:_spf.salesforce.com include:6110094.spf03.hubspotemail.net include:spf.ess.barracudanetworks.com include:sendgrid.net ~all
- MS=ms47514644
- MS=ms94121190
- ZOOM_verify_GwUOgGmmjFb5bdofb3VU4G
- apple-domain-verification=J3qkZaFasjoFdlIk
- facebook-domain-verification=52m538y0msgg7qae19ey43xiqrm9qg
- google-site-verification=K-bLFUhdQJnI4Rrq-sEI54Wi7btuKHkTdS9v3hl3z2E
- intacct-esk=B4E012D1A9119A6CE0539A220D0A6D7C
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