Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sphereit.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:54:00 UTC · ↺ Refresh
MX Hostnames
- sphereit-com-br.mail.protection.outlook.com
MX Priorities
- sphereit-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 137.131.138.212 ↩ lweb05.appuni.com.br
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1733.awsdns-24.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1733.awsdns-24.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-220.awsdns-27.com
ns-672.awsdns-20.net
ns-1396.awsdns-46.org
ns-1733.awsdns-24.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net ip4:177.190.194.94 ip4:200.236.208.247 ip4:179.124.34.128/27 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net ip4:177.190.194.94 ip4:200.236.208.247 ip4:179.124.34.128/27 -all
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