Domain Overview
DNS: ✓ 4h ago
Checker: ✓ 4h ago
cdssistemas.com.ar
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 10:54:55 UTC · ↺ Refresh
MX Hostnames
- cdssistemas-com-ar.mail.protection.outlook.com
MX Priorities
- cdssistemas-com-ar.mail.protection.outlook.com: 0
A / AAAA Records
- 200.58.111.61 ↩ c261.dattaweb.com
- 2800:6c0:2::c:261 ↩ c261.dattaweb.com
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.hostmar.com root.hostmar.com 2026040703 28800 7200 2000000 86400
Primary NS (mname)
ns3.hostmar.com
Admin Email (rname)
root@hostmar.com
Serial
2026040703
Refresh
28800s
Retry
7200s
Expire
2000000s
Minimum TTL
86400s
Nameservers (NS)
ns3.hostmar.com
ns4.hostmar.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hostmar.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.hostmar.com -all
- google-site-verification=GcmUP93RAAcuxa7vNEa3GyK1xl6LjrLzV9CcNO3eN0I
- MS=ms31652143
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