Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
altozano.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 04:48:26 UTC · ↺ Refresh
MX Hostnames
- altozano-com-mx.mail.protection.outlook.com
MX Priorities
- altozano-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 85.31.226.196 (no PTR)
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ipzmarketing.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=70; rua=mailto:[email protected];fo=1;sp=quarantine;aspf=r;adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 70% of failing messages only
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
8 records- ki2sj1tdqr84rm29dk4ac5i7t7
- google-site-verification=SVs3k8e1rmnDP5-ALpKSiZ_B2ISIxUxsSM77lDOU5QQ
- mscid=TQWp07u1Qrpmb83EmNpW2Rh3ER5ebL3D8y9JYA3M2C+ndUGx62QcFSu5cWDg56UjshqiQLREROCNyMzQtASQ6A==
- v5dtr86540jgaq666iljm4tke7
- cmf3sanr5ttokkpf226eostou
- 08d56f8e-2817-47af-b3eb-1c8f8a5877dc
- SPFv=spf1 include:spf.ipzmarketing.com include:spf.protection.outlook.com -all
- b2b4o28ioju7bph186tacqvik1
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 altozano.com.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits