Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
escuelaing.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:04:03 UTC · ↺ Refresh
MX Hostnames
- escuelaing-edu-co.mail.protection.outlook.com
MX Priorities
- escuelaing-edu-co.mail.protection.outlook.com: 10
A / AAAA Records
- 45.239.88.68 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.escuelaing.edu.co admin.escuelaing.edu.co 2026031801 86400 3600 604800 300
Primary NS (mname)
ns1.escuelaing.edu.co
Admin Email (rname)
admin@escuelaing.edu.co
Serial
2026031801
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.escuelaing.edu.co
ns2.escuelaing.edu.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.masterbase.com include:_spf.embluemail.com include:21615186.spf05.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
12 records- owY2ENRuVNXRKQDSmVKq1VAYcGd/PLwfdG1KfZwAopk=
- brevo-code:5b15b716f419039c1d521ba9a5f77c4d
- _globalsign-domain-verification=7yIm6sNNr168Xe5ntvlU8pB0LajxaQM4-mQ4LWh3Oo
- SPFv=spf1 include:spf.protection.outlook.com include:spf.masterbase.com include:_spf.embluemail.com include:21615186.spf05.hubspotemail.net -all
- pruebacorreo-escuelaing-edu-co.mail.protection.outlook.com
- _globalsign-domain-verification=gbdAUW9L1KklxzK3V6rlZ7WTckQWvZnbnwSNNU9nvU
- uyuQKTQiB0aPE0tezeYHWiFhqydxZtdKvdA3a1QGAG9ZnmgXJp2nBwWZKeiVKvqo3olghVM8tyMogc+9zNj1zA==
- sophos-domain-verification=6d0ff7bf362231c806c245defd16c23d1c76151ba8a4bf4a01b0c43b543410f1
- facebook-domain-verification=7lvadnh3yhinn1aov5hh4lxjjdxi2s
- _globalsign-domain-verification=p9HbMN7qZLh-TyXAuzq__68cEQfQXfmnz6uF95OOT3
- google-site-verification=fuMP0aYdM2WRuBvBsfFFCf5KMp_aiPRdnEX_G57AdYc
- MS=ms84725362
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