Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
contentstuff.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 06:35:44 UTC · ↺ Refresh
MX Hostnames
- contentstuff-com.mail.protection.outlook.com
MX Priorities
- contentstuff-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.207.9.21 ↩ ec2-54-207-9-21.sa-east-1.compute.amazonaws.com
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-864.awsdns-44.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-864.awsdns-44.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-864.awsdns-44.net
ns-1058.awsdns-04.org
ns-2041.awsdns-63.co.uk
ns-245.awsdns-30.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:2896.meuspf.com include:spf.protection.outlook.com include:amazonses.com include:_spf.locaweb.com.br include:servidorwebfacil.com a mx ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 include:2896.meuspf.com include:spf.protection.outlook.com include:amazonses.com include:_spf.locaweb.com.br include:servidorwebfacil.com a mx ~all
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