Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corporacionbct.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:35:30 UTC · ↺ Refresh
MX Hostnames
- corporacionbct-com.mail.protection.outlook.com
MX Priorities
- corporacionbct-com.mail.protection.outlook.com: 5
A / AAAA Records
- 190.241.41.0 (no PTR)
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.corporacionbct.com mail.bct.fi.cr 2026030202 10800 3600 1300000 60
Primary NS (mname)
ns01.corporacionbct.com
Admin Email (rname)
mail@bct.fi.cr
Serial
2026030202
Refresh
10800s
Retry
3600s
Expire
1300000s
Minimum TTL
60s
Nameservers (NS)
ns01.corporacionbct.com
ns03.corporacionbct.com
ns02.corporacionbct.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.119.136.20 ip4:181.193.192.74 ip4:181.193.192.75 ip4:196.40.66.204 ip4:190.241.3.183 a:mailrelay.corporacionbct.com include:spf.US.exclaimer.net include:spf.protection.outlook.com include:servers.mcsv.net include:sparkpostmail.com include:amazonses.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
8 records- MS=3D06DFAA777D0B91B6D250274CA4317AB4B8A3C5
- _globalsign-domain-verification=ap5bRxWTteTe-YXFG7N1YS6KnVe2FSKt9_fhg_epaL
- MS=ms55430082
- brevo-code:2ee6edd1ef9ebc67295fd979fba5ab35
- SPFv=spf1 ip4:20.119.136.20 ip4:181.193.192.74 ip4:181.193.192.75 ip4:196.40.66.204 ip4:190.241.3.183 a:mailrelay.corporacionbct.com include:spf.US.exclaimer.net include:spf.protection.outlook.com include:servers.mcsv.net include:sparkpostmail.com include:amazonses.com -all
- JMr/3itkHZvt+6+e7yLRA+oOfEBPNHeXZkqssjjJIwzMp6+lg3ndGwLt5d2EAIDWtqN+n3WRAUkPxvV0PkGnoQ==
- MS=ms33540835
- Dynatrace-site-verification=e620445e-4f30-4d58-8850-c083d69e9caa__kingrhc1jgfu18kj8eu4se795m
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