Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blk.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 02:14:46 UTC · ↺ Refresh
MX Hostnames
- blk-com-br.mail.protection.outlook.com
MX Priorities
- blk-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 201.20.10.137 ↩ mail.blk.com.br
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-35.azure-dns.com azuredns-hostmaster.microsoft.com 2023090501 3600 300 2419200 300
Primary NS (mname)
ns1-35.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2023090501
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-35.azure-dns.org
ns4-35.azure-dns.info
ns1-35.azure-dns.com
ns2-35.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:blkspf.blk.com.br include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.salesforce.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 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: 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- knowb4-site-verification=ddba8f49a449a3364423f850862cb5e4
- SPFv=spf1 include:blkspf.blk.com.br include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.salesforce.com ~all
- MS=B096F1306792FA478A0567A6C033F7E3A09D42DC
- atlassian-domain-verification=mLQSPuoy8j9Jb0PUYM3pg/udDirhl6WN95TJ6pmXdVxns6l88PPhS6CK6T5Msf5U
- _globalsign-domain-verification=MftOFMXSVYwd181mKiMjhY9YuE0Zxilr0JzkjaLM-B
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