Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arbinger.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:24:49 UTC · ↺ Refresh
MX Hostnames
- d335358a.ess.barracudanetworks.com
- d335358b.ess.barracudanetworks.com
MX Priorities
- d335358b.ess.barracudanetworks.com: 1
- d335358a.ess.barracudanetworks.com: 0
A / AAAA Records
- 199.60.103.131 (no PTR)
- 199.60.103.31 (no PTR)
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
ns43.worldnic.com namehost.worldnic.com 126031818 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031818
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns44.worldnic.com
ns43.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.accessplanit.com include:_spf.salesforce.com include:23346030.spf01.hubspotemail.net include:sparkpostmail.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.accessplanit.com include:_spf.salesforce.com include:23346030.spf01.hubspotemail.net include:sparkpostmail.com include:spf.ess.barracudanetworks.com -all
- adobe-idp-site-verification=648d850f165eccea34b81ab9c7b401a55fa44a387d48440b6a5189e3bf22943e
- apple-domain-verification=SZbZzDuyoha6H9WP
- google-site-verification=6x4Uq_ZhVaAs3DDf_RNvXY7CkQVnbrWmz5IMYCEyu-A
- google-site-verification=052hyoFhsOIdUCzHT248bHmZjHOkC0ahDOsGruIAmUU
- google-site-verification=HLc1u2Ot_P1iNjQ990BiAH-1hOUbxgac3a9OGmzqlbY
- google-site-verification=pLGYxCUPU1Kyw-bLNB4ZQgk6S8JFSM5G9xGf7dx2HTw
Full email verification for arbinger.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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