rocketreach.co

Valid Email Server

Domain Overview

DNS: ✓ 4h ago Checker: ✓ 4h ago
rocketreach.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:37:43 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • mx2.zoho.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • mx.zoho.com

MX Priorities

  • alt3.aspmx.l.google.com: 20
  • alt4.aspmx.l.google.com: 20
  • mx.zoho.com: 85
  • mx2.zoho.com: 90
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 10

A / AAAA Records

  • 104.20.41.101 (no PTR)
  • 172.66.172.192 (no PTR)
  • 2606:4700:10::6814:2965
  • 2606:4700:10::ac42:acc0

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 136.143.191.44 ↩ mx2.zohomail.com
  • 204.141.33.44 ↩ mx8.zoho.com
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net

SOA Record

Raw SOA desi.ns.cloudflare.com dns.cloudflare.com 2403225931 10000 2400 604800 1800
Primary NS (mname)
desi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403225931
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

wilson.ns.cloudflare.com
desi.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:mail.zendesk.com include:20894600.spf10.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

19 records
  • cursor-domain-verification-z1aeq9=Zf9PjnTKnrO82czYSYEH775GA
  • hubspot-developer-verification=YWNiZTBjMGUtZmUxZi00ODY5LWFiZDYtZGYxZTZkMmM4ZTk1
  • google-site-verification=omfdNjkVhJT7-tQNAVKMCRjMKo2fBVMB95TKHU2ZJS0
  • anthropic-domain-verification-kv1cvr=P9ZQCQtS1Ix6k051W5GIiSJZc
  • google-site-verification=ha_nfPPvHzMlqldbdi8XuYYUrBO72jj09ZRetywIHvk
  • mgverify=e7e1cd4cc2e19ac93c8118e4e69bfacb0b9fccb5414e53aabf7a4d350c4f4b76
  • jetbrains-domain-verification=edu0boz7py3x08v31hwd1a0a8
  • google-site-verification=9J9q7xAvNoR83Qq-3sqNbKI_pb17lzhWiCrwD5Iiwa4
  • google-site-verification=Q9Q-WAIMyScMES1setqkftrboMFAwT0RDvetKTmVS-s
  • MS=DDBBECC3616C0BDC72EB36F1C0599884C5717DAB
  • lovable_verification=EkPeoKcXKPJc13fRwDpd
  • google-site-verification=YCMB7WUhAGsanBQMQg2aDPWn-enojzFS9ZMTdpbvkx8
  • google-site-verification=c7iMRP_rQ-QwUHSExvgpEnrNJf2RFw05BHX1fYNDMks
  • atlassian-domain-verification=Dv7n4OuTwGKHD29BVGQoBMKUdf9jWGDtaiceDJXvILq9ar7YzxmDwv5ommfeVCqB
  • facebook-domain-verification=brvvyr776e71akmsn6e85hw1s83xnt
  • google-site-verification=qHNKBLO4NPQNIONoCev-0XW7pBK5X_XGSvGZbpQAfiA
  • stripe-verification=0fc04691a9d4422d46b4fdcff0ab53f87d4b3699249a3047a7ca3ea063dbe8a7
  • SPFv=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:mail.zendesk.com include:20894600.spf10.hubspotemail.net ~all
  • astra-target-verification=929dcd5e34219434e7e361412777ea77be220c9ae8e6548253b578bd283d7ce7
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rocketreach.co

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits