tupunatron.com

Valid Email Server
Domain Lookup › tupunatron.com

Domain Overview

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

Checked via [email protected] · 2026-04-03 06:41:16 UTC · ↺ Refresh

MX Hostnames

  • mx1.mxfilter.net
  • mx4.mxfilter.net
  • mx3.mxfilter.net
  • mx2.mxfilter.net
  • us1.workspace.org

MX Priorities

  • mx1.mxfilter.net: 10
  • mx2.mxfilter.net: 10
  • us1.workspace.org: 10
  • mx3.mxfilter.net: 20
  • mx4.mxfilter.net: 20

A / AAAA Records

  • 172.67.209.145 (no PTR)
  • 104.21.77.155 (no PTR)
  • 2606:4700:3032::ac43:d191 (no PTR)
  • 2606:4700:3032::6815:4d9b (no PTR)

Mail Server IPs

  • 23.147.8.11 ↩ mx1.mxfilter.net
  • 162.244.95.10 ↩ mx2.mxfilter.net
  • 162.244.93.81 ↩ us1.workspace.org

SOA Record

Raw SOA oswald.ns.cloudflare.com dns.cloudflare.com 2399891283 10000 2400 604800 1800
Primary NS (mname)
oswald.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399891283
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

oswald.ns.cloudflare.com
raphaela.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.workspace.org -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

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

✗ 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

2 records
  • SPFv=spf1 include:_spf.workspace.org -all
  • google-site-verification=JFDC4ReggjP5ewBDHfakU84mHKMv6MfdyOAE8zF2_4Q
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