Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holtlogistics.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:45:06 UTC · ↺ Refresh
MX Hostnames
- d217864b.ess.barracudanetworks.com
- d217864a.ess.barracudanetworks.com
MX Priorities
- d217864b.ess.barracudanetworks.com: 10
- d217864a.ess.barracudanetworks.com: 10
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns89.worldnic.com namehost.worldnic.com 126030215 10800 3600 604800 3600
Primary NS (mname)
ns89.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030215
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns90.worldnic.com
ns89.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.174.2.42/29 ip4:104.130.33.171 ip4:104.239.254.182 ip4:50.216.223.154 ip4:162.159.135.42 include:amazonses.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:prod.outbound01.4miles.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5; fo=1; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- google-site-verification=7Nwj2tytUZkENyWm4Wij8pZI0m0AlPC2wWreyAa0yhY
- google-site-verification=dXZR2BuZ75DYJu4LlriSKolnOMkNBx3KweNMji5HBi8
- ibc5as85i77tmkc17ugd6sutno
- 798d2382916ee5590c64bdb16289b319a24e7e88
- SPFv=spf1 ip4:50.174.2.42/29 ip4:104.130.33.171 ip4:104.239.254.182 ip4:50.216.223.154 ip4:162.159.135.42 include:amazonses.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:prod.outbound01.4miles.com ~all
Full email verification for holtlogistics.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits