Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
sdsheriff.com
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:26:48 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 26 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
26
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dbru.br.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
3 records- _c3uq7vl4o6ujx5lj861r3041xo5lm2q
- MS=ms98003603
- nintex.66edd486c0aba1185456c997
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