Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grupocygnus.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:29:31 UTC · ↺ Refresh
MX Hostnames
- grupocygnus-mx.mail.protection.outlook.com
MX Priorities
- grupocygnus-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 77.37.76.9 (no PTR)
- 147.79.120.230 (no PTR)
- 2a02:4780:51:e921:effd:c4cd:8531:cb01
- 2a02:4780:4f:c26d:be0d:69de:5e23:a65
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dns-parking.com dns.hostinger.com 2026031901 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026031901
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.dns-parking.com
ns1.dns-parking.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 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 grupocygnus.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits