doubleroadrace.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
doubleroadrace.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 05:13:32 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • 3787080b.21.ik2.com
  • 3787080b.22.ik2.io

MX Priorities

  • 3787080b.21.ik2.com: 10
  • 3787080b.22.ik2.io: 20

A / AAAA Records

  • 94.72.124.177 ↩ fi.smq.io
  • 2605:a141:2312:7878::1 ↩ fi.smq.io

Mail Server IPs

  • 207.81.189.178 ↩ s250a.ik2.com
  • 38.246.57.230 ↩ s602e.ik2.com
  • 64.38.239.83 ↩ s480d.ik2.com
  • 162.213.157.172 ↩ s236a.ik2.com
  • 38.246.57.226 ↩ s602a.ik2.io
  • 64.38.239.82 ↩ s480c.ik2.io

SOA Record

Raw SOA ns-cloud-e1.googledomains.com cloud-dns-hostmaster.google.com 6 21600 3600 259200 300
Primary NS (mname)
ns-cloud-e1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
6
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-e1.googledomains.com
ns-cloud-e3.googledomains.com
ns-cloud-e4.googledomains.com
ns-cloud-e2.googledomains.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:127.0.0.1 ip4:198.199.98.199 ip4:205.164.7.58 ip6:2604:a880:1:20::6b:b001 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 ip4:127.0.0.1 ip4:198.199.98.199 ip4:205.164.7.58 ip6:2604:a880:1:20::6b:b001 -all
  • google-site-verification=6kwt1RpwnH8wQZ8mrKYrvd5pz1LnaX_xWzZuGqvhl_M
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 · Customize →
See demo & docs
Deep verification
Full email verification for doubleroadrace.com

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

No credit card required
Get 1,000 Free Credits