concordemedia.com

Valid Email Server
Domain Lookup › concordemedia.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
concordemedia.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 14:54:55 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

  • smtp11.sm4net.net
  • smtp10.sm4net.net

MX Priorities

  • smtp10.sm4net.net: 0
  • smtp11.sm4net.net: 0

A / AAAA Records

  • 185.151.30.136 ↩ 185-151-30-136.ptr4.stackcp.net
  • 2a07:7800::136 (no PTR)

Mail Server IPs

  • 217.33.235.8 (no PTR)
  • 194.72.35.208 (no PTR)

SOA Record

Raw SOA ns1.stackdns.com hostmaster.stackdns.com 1761855140 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1761855140
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns3.stackdns.com
ns4.stackdns.com
ns2.stackdns.com
ns1.stackdns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:212.103.239.73 include:spf.elmbrook.co.uk ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=ZnsHKSz0WhTCE1NYwln3redEbKOtpzycvZY0k7_a4Z4
  • SPFv=spf1 a mx ip4:212.103.239.73 include:spf.elmbrook.co.uk ~all
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 concordemedia.com

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

No credit card required
Get 1,000 Free Credits