Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colegiobolivar.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 09:13:03 UTC · ↺ Refresh
MX Hostnames
- colegiobolivar-edu-co.mail.protection.outlook.com
MX Priorities
- colegiobolivar-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 76.74.150.62 (no PTR)
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.colegiobolivar.edu.co 1769004564 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@colegiobolivar.edu.co
Serial
1769004564
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.digitalocean.com
ns2.digitalocean.com
ns1.digitalocean.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:76.74.150.62 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
9 records- mkgeue18s6eaicbqk56eg2vnfg
- g0c6g2ievb45d3vucsrpohgtdi
- vkecpp20q5rs0i7424inc3oti6
- MS=ms40532580
- adobe-idp-site-verification=a3d9b1ce3c6e092cb7fe81c0bb0048aa9936e613d959ff8f4906e92f9aeedbe7
- MS=06AEAA9B29B723A2131EA9966CB8E4E28B016C47
- SPFv=spf1 mx a ip4:76.74.150.62 include:spf.protection.outlook.com ~all
- apple-domain-verification=50ccSqFpE3yuxYA9
- sophos-domain-verification=ac1e8447eb518bc12fa55a0050ddc552808bafdd822febc1cc2cea68e284a13d
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