bitcongress.com

Valid Email Server
Domain Lookup › bitcongress.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bitcongress.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:57:59 UTC · ↺ Refresh

MX Hostnames

  • mxcom.263xmail.com
  • mxwcom.263xmail.com

MX Priorities

  • mxwcom.263xmail.com: 5
  • mxcom.263xmail.com: 10

A / AAAA Records

  • 172.67.129.87 (no PTR)
  • 104.21.2.153 (no PTR)
  • 2606:4700:3033::ac43:8157 (no PTR)
  • 2606:4700:3036::6815:299 (no PTR)

Mail Server IPs

  • 164.92.126.242 (no PTR)
  • 38.83.106.84 ↩ us-mx1.263.net
  • 38.83.106.85 ↩ us-mx2.263.net
  • 143.110.227.31 (no PTR)

SOA Record

Raw SOA arch.ns.cloudflare.com dns.cloudflare.com 2397675383 10000 2400 604800 1800
Primary NS (mname)
arch.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397675383
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kira.ns.cloudflare.com
arch.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.263xmail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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 include:spf.263xmail.com ~all
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