Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
grupoalta.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:44:58 UTC · ↺ Refresh
MX Hostnames
- grupoalta-com.mail.protection.outlook.com
MX Priorities
- grupoalta-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.36.82 (no PTR)
- 172.67.190.171 (no PTR)
- 2606:4700:3035::6815:2452
- 2606:4700:3033::ac43:beab
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
fatima.ns.cloudflare.com dns.cloudflare.com 2396844459 10000 2400 604800 1800
Primary NS (mname)
fatima.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396844459
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fatima.ns.cloudflare.com
sevki.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- MS=44D32772683B2C13A5EA9B6612696D6978FA2DCA
- mscid=YUY/R7niJKgc9EZchNEwCvgUvuZUZe4ZeWeslAVPx4WAoTG4Pk0wb6GXlvKgGyaHhBub0M6P3lZ0fEstncGaSw==
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.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 grupoalta.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits