Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grupodesarrolla.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:06:37 UTC · ↺ Refresh
MX Hostnames
- grupodesarrolla-mx.mail.protection.outlook.com
MX Priorities
- grupodesarrolla-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 216.238.74.90 ↩ 216.238.74.90.vultrusercontent.com
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.grupodesarrolla.mx 1773421182 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@grupodesarrolla.mx
Serial
1773421182
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.digitalocean.com
ns2.digitalocean.com
ns1.digitalocean.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:187.174.207.86/32 ip4:20.225.134.133/32 ip4:45.77.74.246/32 include:mail.grupodesarrolla.mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- DKIMv=DKIM1; k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQU AA4GNADCBiQKBgQDQ3Ec0OSgj6zNEFxFkHDkkSad NFfa50nat4YrEmE6DVzySdXQgpFtNNqouNo7kQG3 d2N0hkwls7iGLUvrJc56vlzyYAzp7JiklJmaJT4c vcM3NAEwNEdzjizXxQsG8/6kPJdQ2lO3u1cx4aEZ hzDy825UAvlCjhKU0Lqp7bh8W/QIDAQAB
- MS=ms43042794
- SPFv=spf1 mx a ip4:187.174.207.86/32 ip4:20.225.134.133/32 ip4:45.77.74.246/32 include:mail.grupodesarrolla.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 grupodesarrolla.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits