Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usta.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 17:19:57 UTC · ↺ Refresh
MX Hostnames
- usta-edu-co.mail.protection.outlook.com
MX Priorities
- usta-edu-co.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.184 (no PTR)
- 199.60.103.84 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
keyla.ns.cloudflare.com dns.cloudflare.com 2400024403 10000 2400 604800 1800
Primary NS (mname)
keyla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400024403
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
keyla.ns.cloudflare.com
watson.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us-mems.sopranodesign.com include:5516883.spf01.hubspotemail.net ip4:201.234.135.214 ip4:201.234.135.224 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
5 records- MS=ms80634413
- _uyt1zlpewupa3kzy3beqkvuc4bvohxu
- sophos-domain-verification=05dd271ab209791c9e3f2161228a54c0decc9d7c78aea5b98689eca2b6e757b5
- sophos-domain-verification=efb1286401f152c4d730bf8702745c12081ece567393ba43bbbf52403db3e5a3
- SPFv=spf1 include:spf.protection.outlook.com include:us-mems.sopranodesign.com include:5516883.spf01.hubspotemail.net ip4:201.234.135.214 ip4:201.234.135.224 -all
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