Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
cosayach.cl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 07:25:03 UTC · ↺ Refresh
MX Hostnames
- cosayach-cl.mail.protection.outlook.com
MX Priorities
- cosayach-cl.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.cosayach.cl informatica.grupoerrazuriz.cl 2020090345 86400 7200 2419200 3600
Primary NS (mname)
ns.cosayach.cl
Admin Email (rname)
informatica@grupoerrazuriz.cl
Serial
2020090345
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.cosayach.cl
ns3.cosayach.cl
ns.cosayach.cl
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=s;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms17722582
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