oscj.us

Valid Email Server
Domain Lookup › oscj.us

Domain Overview

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

Checked via [email protected] · 2026-03-23 17:48:06 UTC · ↺ Refresh

MX Hostnames

  • mail.oscj.us

MX Priorities

  • mail.oscj.us: 0

A / AAAA Records

  • 104.21.7.136 (no PTR)
  • 172.67.135.246 (no PTR)
  • 2606:4700:3034::6815:788 (no PTR)
  • 2606:4700:3035::ac43:87f6 (no PTR)

Mail Server IPs

  • 200.69.18.145 ↩ sh-cp2.mia1.servername.online

SOA Record

Raw SOA igor.ns.cloudflare.com dns.cloudflare.com 2396500027 10000 2400 604800 1800
Primary NS (mname)
igor.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396500027
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

igor.ns.cloudflare.com
serena.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:207.55.249.2 +a +mx include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._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

4 records
  • google-site-verification=5IJjH5L2lJtPREi9uOS7MFBGsBRyrTgyvhiFznlgh20
  • SPFv=spf1 ip4:207.55.249.2 +a +mx include:relay.mailchannels.net ~all
  • 202108301344382rjbj9tsnd0xf9rd0opqzv3p7dpg6wciqlo3ocz83xsh8ajv9j
  • 2022083114165124331r8jg8hvd2nq8enzc5pqa2wtb3h9k39b0mddskzrc8s1dd
Full email verification for oscj.us

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

SPF / DKIM / DMARC Get 1,000 Free Credits