rrcausa.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rrcausa.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 22:55:36 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 18.238.49.120
  • 18.238.49.101
  • 18.238.49.66
  • 18.238.49.113
  • 2600:9000:261f:800:1a:c1f7:d400:93a1
  • 2600:9000:261f:a00:1a:c1f7:d400:93a1
  • 2600:9000:261f:6a00:1a:c1f7:d400:93a1
  • 2600:9000:261f:fe00:1a:c1f7:d400:93a1
  • 2600:9000:261f:9800:1a:c1f7:d400:93a1
  • 2600:9000:261f:ec00:1a:c1f7:d400:93a1
  • 2600:9000:261f:d200:1a:c1f7:d400:93a1
  • 2600:9000:261f:4a00:1a:c1f7:d400:93a1

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA john.ns.cloudflare.com dns.cloudflare.com 2398374220 10000 2400 604800 1800
Primary NS (mname)
john.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398374220
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

robin.ns.cloudflare.com
john.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

✗ 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

5 records
  • google-site-verification=_tjcx-VyGzWxalDogXvMonB_jmRC1-kexv77gX_Dlew
  • google-site-verification=jbz2YdY4nVNhcoxX1XP5InfY6f1yUDdJ2iT_JBf5Vys
  • google-site-verification=mRL-9BRTLo6dD1hcANpxFuhQQsdSLLwwxJRo3ZOuOD8
  • google-site-verification=N9DNc4BzgKCCTtThrorXsPzIOdz443qiPjwjPHWaGYo
  • google-site-verification=_mMQi15bvspWcPrG-Jtu0nr9dnvGgiGoZQJVpzOld4g
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