Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ropsohnlab.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 06:36:12 UTC · ↺ Refresh
MX Hostnames
- ropsohnlab-com-co.mail.protection.outlook.com
- mail.ropsohnlab.com.co
- ropsohnlab.com.co
MX Priorities
- mail.ropsohnlab.com.co: 100
- ropsohnlab.com.co: 100
- ropsohnlab-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 209.133.221.202 ↩ host5.bienvenidohosting.com
Mail Server IPs
- 209.133.221.202 ↩ host5.bienvenidohosting.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.berruit.com camilo\.martinez91.gmail.com 2026020401 3600 1800 1209600 86400
Primary NS (mname)
ns1.berruit.com
Admin Email (rname)
camilo\@martinez91.gmail.com
Serial
2026020401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.berruit.com
ns1.berruit.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:209.133.221.202 include:relay.mailchannels.net +a +mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 ip4:209.133.221.202 include:relay.mailchannels.net +a +mx include:spf.protection.outlook.com ~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
See demo & docs
Deep verification
Full email verification for ropsohnlab.com.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits