thomascoledigital.com

Valid Email Server
Domain Lookup › thomascoledigital.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thomascoledigital.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 07:01:31 UTC · ↺ Refresh

MX Hostnames

  • thomascoledigital-com.mail.protection.outlook.com

MX Priorities

  • thomascoledigital-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 172.67.183.223 (no PTR)
  • 104.21.18.230 (no PTR)
  • 2606:4700:3036::ac43:b7df
  • 2606:4700:3033::6815:12e6

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dahlia.ns.cloudflare.com dns.cloudflare.com 2396883397 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396883397
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

john.ns.cloudflare.com
dahlia.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:109.228.47.105 ip4:109.68.33.0/24 ip4:54.174.60.0/23 ip4:143.244.80.0/20 ip4:18.208.124.128/25 ip4:54.174.53.128/30 ip4:158.247.16.0/20 ip4:54.174.59.0/24 ip4:54.174.63.0/24 ip4:3.93.157.0/24 ip4:54.174.52.2 ip4:139.180.17.0/24 ip4:54.174.57.0/24 ~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
  • SPFv=spf1 include:spf.protection.outlook.com ip4:109.228.47.105 ip4:109.68.33.0/24 ip4:54.174.60.0/23 ip4:143.244.80.0/20 ip4:18.208.124.128/25 ip4:54.174.53.128/30 ip4:158.247.16.0/20 ip4:54.174.59.0/24 ip4:54.174.63.0/24 ip4:3.93.157.0/24 ip4:54.174.52.2 ip4:139.180.17.0/24 ip4:54.174.57.0/24 ~all
  • 20170406105159dckewhhervq90rwcuypc72daw4mu6f5wmi0ff21g24umwhj3s8
  • MS=ms92565922
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 thomascoledigital.com

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

No credit card required
Get 1,000 Free Credits