Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
burtbox.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:17:18 UTC · ↺ Refresh
MX Hostnames
- mx-mibc-fr-09.mailinblack.com
MX Priorities
- mx-mibc-fr-09.mailinblack.com: 5
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 40.89.133.208 (no PTR)
SOA Record
Raw SOA
ns21.domaincontrol.com dns.jomax.net 2024011600 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024011600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns21.domaincontrol.com
ns22.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:smtp2go.com ~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- v=verifydomain MS=9134289
- MS=ms76492738
- 99c1u0546bqisukuom1jdt2r3m
- SPFv=spf1 include:spf.protection.outlook.com include:smtp2go.com ~all
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