Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vanguardacs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:45:11 UTC · ↺ Refresh
MX Hostnames
- vanguardacs-com.mail.protection.outlook.com
- vanguardacs.com
MX Priorities
- vanguardacs.com: 10
- vanguardacs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 190.8.176.44 ↩ dina.colombiahosting.com.co
Mail Server IPs
- 190.8.176.44 ↩ dina.colombiahosting.com.co
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.colombiahosting.com alexander.colombiahosting.com.co 2026013100 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026013100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.colombiahosting.com
ns1.colombiahosting.com
ns3.colombiahosting.com
ns4.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.8.176.44 include:_spf.colhost.com include:md02.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
default._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms78497407
- SPFv=spf1 ip4:190.8.176.44 include:_spf.colhost.com include:md02.com include:spf.protection.outlook.com -all
- MS=ms78497047
- WVWQWUMVt8OLbpEVnW+VMS7mSNBX4n7/s3GHc3+0AgPUecsIAQGnUp8hVeH/dLOH9p0+haHKAQ5hB4MBdGBUDw==
- MS=ms94433357
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