4colors-research.com

Valid Email Server
Domain Lookup › 4colors-research.com

Domain Overview

DNS: ✓ 5d ago Checker: ✓ 5d ago
4colors-research.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-16 21:57:06 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 141.94.115.104 ↩ vps-774f7eff.vps.ovh.net

Mail Server IPs

  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 142.251.111.26 ↩ bk-in-f26.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net

SOA Record

Raw SOA curitiba.ns.porkbun.com dns.cloudflare.com 2402880604 10000 2400 604800 1800
Primary NS (mname)
curitiba.ns.porkbun.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402880604
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

salvador.ns.porkbun.com
curitiba.ns.porkbun.com
fortaleza.ns.porkbun.com
maceio.ns.porkbun.com

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; aspf=s; adkim=s; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:_spf.google.com -all
  • google-site-verification=6ajeZDnepApGgccoZC7RxsYZNk4_wIQhwCbIh9Qt3m0
  • google-site-verification=lTte9qLebS_sa1BYh8XFWrLsmJrBYc9NovKgRJ6IpTk
  • google-site-verification=u0wpOBEzmUN4uXTH4_0DqyD7lgpaH-i0EEBhNas9YOY
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