newbyrubber.com

Valid Email Server
Domain Lookup › newbyrubber.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
newbyrubber.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 08:34:32 UTC · ↺ Refresh

MX Hostnames

  • mail.protonmail.ch
  • mailsec.protonmail.ch

MX Priorities

No priority data.

A / AAAA Records

  • 104.21.50.165
  • 172.67.207.118
  • 2606:4700:3036::6815:32a5
  • 2606:4700:3032::ac43:cf76

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

pat.ns.cloudflare.com
theo.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 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

3 records
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • google-site-verification=qnSVFqz2c5LdmEkDLt3ZYo8wprCOS2KBu8wxtzDBqEo
  • protonmail-verification=9ead5f7d8c06554f3f5acfe8381ea5ecadb5e198
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