Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
discabos.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:03:18 UTC · ↺ Refresh
MX Hostnames
- discabos-com-br.mail.protection.outlook.com
MX Priorities
- discabos-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.56.79 (no PTR)
- 172.67.181.108 (no PTR)
- 2606:4700:3034::6815:384f
- 2606:4700:3032::ac43:b56c
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
desi.ns.cloudflare.com dns.cloudflare.com 2397096425 10000 2400 604800 1800
Primary NS (mname)
desi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397096425
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
henry.ns.cloudflare.com
desi.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:20624153.spf04.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:20624153.spf04.hubspotemail.net -all
- MS=69B35701C53345EE6D5C6398E26E5C128D41F44F
- MS=ms77129265
- google-site-verification=7ozl0fHjYtu9UVyEN_yidUEBoMOgpNd5IhMkWG50e04
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