mdco.com.co

Valid Email Server
Domain Lookup › mdco.com.co

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
mdco.com.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-06 15:57:02 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 198.185.159.144
  • 198.185.159.145
  • 198.49.23.144
  • 198.49.23.145

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.167.27 ↩ ww-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA grant.ns.cloudflare.com dns.cloudflare.com 2397927813 10000 2400 604800 1800
Primary NS (mname)
grant.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397927813
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

susan.ns.cloudflare.com
grant.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all.
📊 DNS lookups: 1/10

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 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

2 records
  • SPFv=spf1 include:_spf.google.com ~all.
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjH2wL8s1Ds1iff5JjmuXs4nJN/4c/iSgGWQM0xvhvJhWHB4uIV2n3kTClEUIDSbfPdyUy7ngveOxVGgcUTjQDGwaz9DpNG+2Zh4F9li2vPbvv3yuxj7EUP9rnXWv93JkVTsU4TUOvcg7Vs5xQt24WAFCMYAWV3AxYHDgzpP17MC0q6tPD5vaAN0K30G5hnb/gYnJXXGMF4e9PaEStMxSLdj5FDsx6jnNE3GeiaMa8Jr679RFWjbsjGUEiBgXhLjJLWwICIqdAE8+Ur+mfMIxP4H5FscNH+7UaFs6ES4yQUmsx92ETPqCsfN2TPib8MCHnukiC2g1u3CBPyZQ8vcNXwIDAQAB
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 mdco.com.co

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

No credit card required
Get 1,000 Free Credits