Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thinkservice-email.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:41:12 UTC · ↺ Refresh
MX Hostnames
- d64013a.ess.barracudanetworks.com
- d64013b.ess.barracudanetworks.com
MX Priorities
- d64013b.ess.barracudanetworks.com: 20
- d64013a.ess.barracudanetworks.com: 10
A / AAAA Records
- 208.91.197.27 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns17.worldnic.com namehost.worldnic.com 121111214 10800 3600 604800 3600
Primary NS (mname)
ns17.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
121111214
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns17.worldnic.com
ns18.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.ess.barracudanetworks.com ip4:24.43.39.242/30 ip4:64.60.68.112/29 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms88622683
- sJaGzRQ9wfR1yW0kkQ1FuCdnLqW+LTbog2YPhshETlaJz735qTOSPrAW+MGvIihGVVDYyoxtwrY6eBQOiHabOw==
- SPFv=spf1 mx include:spf.ess.barracudanetworks.com ip4:24.43.39.242/30 ip4:64.60.68.112/29 ~all
- apple-domain-verification=uDrQUfPVFqCxWQKd
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