root3d.co.uk

Valid Email Server
Domain Lookup › root3d.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
root3d.co.uk
Yes
✓ Yes
iCloud
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 22:11:46 UTC · ↺ Refresh

MX Hostnames

  • mx02.mail.icloud.com
  • mx01.mail.icloud.com

MX Priorities

  • mx01.mail.icloud.com: 10
  • mx02.mail.icloud.com: 10

A / AAAA Records

  • 172.67.203.45 (no PTR)
  • 104.21.69.25 (no PTR)
  • 2606:4700:3035::6815:4519 (no PTR)
  • 2606:4700:3031::ac43:cb2d (no PTR)

Mail Server IPs

  • 17.42.251.62 ↩ mx3.mail.icloud.com
  • 17.56.9.31 ↩ mx02.mail.icloud.com
  • 17.57.152.5 ↩ mx01.mail.icloud.com
  • 17.57.154.33 ↩ mx01.mail.icloud.com
  • 17.57.155.25 ↩ mx01.mail.icloud.com
  • 17.57.156.30 ↩ mx01.mail.icloud.com

SOA Record

Raw SOA agustin.ns.cloudflare.com dns.cloudflare.com 2399083049 10000 2400 604800 1800
Primary NS (mname)
agustin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399083049
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

isla.ns.cloudflare.com
agustin.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:icloud.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

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

3 records
  • google-site-verification=NUQeME2f8ihu0WMDxe_sinUaXWXJzeVNE3tEb8HFc4k
  • SPFv=spf1 include:icloud.com ~all
  • apple-domain=zD6PXQd5c4JFtXMj
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 root3d.co.uk

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

No credit card required
Get 1,000 Free Credits