onetool.co

Valid Email Server
Domain Lookup › onetool.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
onetool.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 21:02:57 UTC · ↺ Refresh

MX Hostnames

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

  • 172.67.149.244
  • 104.21.57.211
  • 2606:4700:3030::6815:39d3
  • 2606:4700:3035::ac43:95f4

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA carlos.ns.cloudflare.com dns.cloudflare.com 2400265510 10000 2400 604800 1800
Primary NS (mname)
carlos.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400265510
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

carlos.ns.cloudflare.com
diana.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

✓ 3 found
google._domainkey
s1._domainkey
s2._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

5 records
  • google-site-verification=fYEs0iAreDcy57UXjppPYyH0oaV3U82L-GVAdVU9I9M
  • ahrefs-site-verification_ed481e2b1ef095331ee67aa263162d5e0b039be7fe8c43deaac34a2ccf6e85a7
  • atlassian-domain-verification=z0y4dEpSrmQtAB4Ub3TZPwKSV8LAcihrnujUMSS03yAmbBkXml5C3Pmcaaazo5JO
  • google-site-verification=7VySliPP0ttoDLxOd7tNO6eR2w534vVwGA0Wy1BO35I
  • google-site-verification=bSSnPeIB6WIwVJ30MMG2TxHQbOsiZOvNzRThv04uwsk
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