Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
credsystem.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:28:39 UTC · ↺ Refresh
MX Hostnames
- credsystem-com-br.mail.protection.outlook.com
MX Priorities
- credsystem-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 23.50.69.129 ↩ a23-50-69-129.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
usw1.akam.net hostmaster.akamai.com 1559949930 43200 7200 604800 7200
Primary NS (mname)
usw1.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
1559949930
Refresh
43200s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
use4.akam.net
ns1-191.akam.net
usc4.akam.net
usw1.akam.net
ns1-157.akam.net
usc3.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:crespf.credsystem.com.br include:spf.viasmtp.com.br include:spf-00978601.pphosted.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- _b6d94onggumkyh0m6vrdfps8bmmjouh
- 6xpgbktfd4vbk48hsg215cpk1lj1sw5x
- _ntybbb1lg7amvndk2mudqy9tojrhzj7
- _5wf3rmgwa9jk3hm01nvgxknkasutlt8
- [email protected];amazonses
- globalsign-domain-verification=iivAE38mbtpjw5W731GXPsydPhBULhuqjl8W74i-Iv
- 3tiaiu10qc7k13kptpstbbtg6
- detectify-verification=27412c86a0e23382074467ae18628fd2
- _a1zq7fjk4xy0a54ha2krlsqqrpwq8tt
- google-site-verification=OX3paft5LCeRsbabby0BwuUCyIusCi6zVE4aIlHVtxI
- [email protected]
- _3v2yde22zmjf5h6mtiikgppblqej2we
- SPFv=spf1 include:spf.protection.outlook.com include:crespf.credsystem.com.br include:spf.viasmtp.com.br include:spf-00978601.pphosted.com include:_spf.rdstation.com.br include:sendgrid.net -all
- atlassian-domain-verification=AuaePD0jHL3wv8A3DDFbGBpTs5d8DZ43fVtpzNZ0hf42jkGIevXh4smA24GAB/Dv
- vjwnsg0fpjmbq7ffmyyf08m813203h6q
- Dynatrace-site-verification=c6572c07-f316-480c-b0c0-3e146ade09da__hm2v6d92oonfnlfptgda7ass0f
- onetrust-domain-verification=654a48bf413e4f13b637cd9775789cb4
- _rylxudr0af6jtume2n3up23v9oxz8rr
Full email verification for credsystem.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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