Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jasec.go.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 05:44:33 UTC · ↺ Refresh
MX Hostnames
- jasec-go-cr.mail.protection.outlook.com
MX Priorities
- jasec-go-cr.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.70.214 (no PTR)
- 172.67.139.217 (no PTR)
- 2606:4700:3034::6815:46d6
- 2606:4700:3034::ac43:8bd9
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
hayes.ns.cloudflare.com dns.cloudflare.com 2396653768 10000 2400 604800 1800
Primary NS (mname)
hayes.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396653768
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
hayes.ns.cloudflare.com
hera.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:138.94.59.25 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- google-site-verification=WLBLhnXN1YDjBqNR7akD-tCAl0a2fNX2UqZbqmLIlEw
- SPFv=spf1 ip4:138.94.59.25 include:spf.protection.outlook.com -all
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