Domain Overview
DNS: ✓ just now
Checker: ✓ just now
grouponcareers.com
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 20:45:44 UTC · ↺ Refresh
MX Hostnames
MX Priorities
- : 0
A / AAAA Records
- 51.143.191.44 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2405026241 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405026241
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.net
blue.foundationdns.org
blue.foundationdns.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
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
2 records- google-site-verification=TQpBSh7oPsr1FyLnkuC7Mb205fFbn3daT0Ty87-9J00
- SPFv=spf1 -all
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