Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
penntanklines.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:14:25 UTC · ↺ Refresh
MX Hostnames
- d10309a.ess.barracudanetworks.com
- d10309b.ess.barracudanetworks.com
MX Priorities
- d10309b.ess.barracudanetworks.com: 15
- d10309a.ess.barracudanetworks.com: 10
A / AAAA Records
- 69.16.249.251 ↩ host1.vendcentral4.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns69.worldnic.com namehost.worldnic.com 126012316 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012316
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns69.worldnic.com
ns70.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:emailus.freshdesk.com include:spfva.snxssend.com include:spfvb.snxssend.com include:spf.protection.outlook.com include:8290692.spf01.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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.ess.barracudanetworks.com include:emailus.freshdesk.com include:spfva.snxssend.com include:spfvb.snxssend.com include:spf.protection.outlook.com include:8290692.spf01.hubspotemail.net ~all
- MS=B5290EE82D43FECAB085C994856EB36727970AE7
- 31jin7bgoutttd1kj1sqmjkd6u
- mshk40slcbljv5dthn7913761k
- jamf-site-verification=mrkPrTUds4dU__FR0jok3A
- ipdmnl4frsvjq6jq0n9bend70v
- apple-domain-verification=YQmhIJhUL0f0gxz7
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