Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sanmarcodc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:57:26 UTC · ↺ Refresh
MX Hostnames
- mail27.newtekwebhosting.com
MX Priorities
- mail27.newtekwebhosting.com: 0
A / AAAA Records
- 208.106.240.171 ↩ sanmarcodc.com
Mail Server IPs
- 216.119.106.54 ↩ maila27.newtekwebhosting.com
SOA Record
Raw SOA
ns3.newtekdns.com administrator.newtekwebhosting.com 11 900 600 86400 3600
Primary NS (mname)
ns3.newtekdns.com
Admin Email (rname)
administrator@newtekwebhosting.com
Serial
11
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns4.newtekdns.com
ns3.newtekdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx/24 ip4:63.134.207.1/24 ip4:216.197.96.159 ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no 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
1 record- SPFv=spf1 a mx/24 ip4:63.134.207.1/24 ip4:216.197.96.159 ?all
Full email verification for sanmarcodc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits