Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colombinbel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:44:05 UTC · ↺ Refresh
MX Hostnames
- colombinbel-com.mail.protection.outlook.com
MX Priorities
- colombinbel-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.29.145.9 ↩ hostedc25.carrierzone.com
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.alestra.net.mx soporteip.axtel.com.mx 762215075 10800 3600 1209600 3600
Primary NS (mname)
dns.alestra.net.mx
Admin Email (rname)
soporteip@axtel.com.mx
Serial
762215075
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns.alestra.net.mx
mail1.alestra.net.mx
mail2.alestra.net.mx
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
4 records- MS=E59B1D0DF738D0B0790457FBDBE98235389A41CF
- SPFv=spf1 mx include:spf.protection.outlook.com -all
- UQabnQqlFh2HOUnOuxJK3exo38UgmPDy7siKSaDWx5Rp2mawqjS8/0yog37fRF93qw6jey0Ya4vm4BcY3b92jg==
- _wggtxnf3upy0gixytzzomkzbxegyay0
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