Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alestra.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 16:22:43 UTC · ↺ Refresh
MX Hostnames
- alestra-com-mx.mail.protection.outlook.com
MX Priorities
- alestra-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 104.198.14.52 ↩ 52.14.198.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.alestra.net.mx soporteip.axtel.com.mx 762215073 10800 3600 1209600 3600
Primary NS (mname)
dns.alestra.net.mx
Admin Email (rname)
soporteip@axtel.com.mx
Serial
762215073
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
mail2.alestra.net.mx
dns.alestra.net.mx
mail1.alestra.net.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:207.248.229.8 ip4:200.94.201.25/30 ip4:207.248.229.31 ip4:200.94.201.4 include:spf.protection.outlook.com include:spf.fromdoppler.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- cisco-ci-domain-verification=5a8ab48d6d5015b55c76b730d38ee83feeb522b2a147b40be28148aa0b359e63
- SPFv=spf1 ip4:207.248.229.8 ip4:200.94.201.25/30 ip4:207.248.229.31 ip4:200.94.201.4 include:spf.protection.outlook.com include:spf.fromdoppler.com -all
- MS=ms30272358
- IY3mrQAoqGNgWdxw3SkhApB/8qMg01XccOjzsD31bls3A0pAChyVkeyDbdJbaU3XGuN7H2dEeVIdx6dQJfyviQ==
- google-site-verification=kOnWJ51_XU4knK6uL8vWuew64mMxot06yLDawc741RQ
- kkpfd1hs6dw1c1r9yyv9892v0ggtnt1l
- 433774879-68228086
- 5w5b6mdntpwf35xly9nrxzj5ms5c1d56
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 alestra.com.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits