Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
berchmans.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 22:59:09 UTC · ↺ Refresh
MX Hostnames
- berchmans-edu-co.mail.protection.outlook.com
MX Priorities
- berchmans-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.43.162 (no PTR)
- 172.67.181.112 (no PTR)
- 2606:4700:3032::6815:2ba2
- 2606:4700:3030::ac43:b570
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
gordon.ns.cloudflare.com dns.cloudflare.com 2399861856 10000 2400 604800 1800
Primary NS (mname)
gordon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399861856
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kate.ns.cloudflare.com
gordon.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:_spf.mlsend.com ip4:50.23.249.179 ip6:2604:4500:0:401:ec4:7aff:fe77:2382 ip4:165.227.29.205 include:spf.protection.outlook.com include:mailgun.org -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- bfriuku9iv252h3qihs4evlfvj
- i3iular2nk7n1j9imu9m2h5feh
- SPFv=spf1 include:_spf.mlsend.com include:_spf.mlsend.com ip4:50.23.249.179 ip6:2604:4500:0:401:ec4:7aff:fe77:2382 ip4:165.227.29.205 include:spf.protection.outlook.com include:mailgun.org -all
- 1sh6n7e8tr899u9iso0160p2qq
- MS=7A3D9F4AFD9E0E18C9C2E91A1F55AD4533F805FD
- b2oopjt103vresvkrgmar23nna
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