sbcontract.com

Valid Email Server
Domain Lookup › sbcontract.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sbcontract.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 06:43:22 UTC · ↺ Refresh

MX Hostnames

  • mxhost.alephnetwork.com

MX Priorities

  • mxhost.alephnetwork.com: 10

A / AAAA Records

  • 172.67.201.70 (no PTR)
  • 104.21.58.62 (no PTR)
  • 2606:4700:3036::ac43:c946 (no PTR)
  • 2606:4700:3030::6815:3a3e (no PTR)

Mail Server IPs

  • 34.193.211.65 ↩ mailsite.alephnetwork.com

SOA Record

Raw SOA merlin.ns.cloudflare.com dns.cloudflare.com 2399705912 10000 2400 604800 1800
Primary NS (mname)
merlin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399705912
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

merlin.ns.cloudflare.com
walk.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

No TXT records found.

Full email verification for sbcontract.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits