Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sistemaisis.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 08:44:46 UTC · ↺ Refresh
MX Hostnames
- sistemaisis-com.mail.protection.outlook.com
MX Priorities
- sistemaisis-com.mail.protection.outlook.com: 10
A / AAAA Records
- 38.55.73.38 ↩ 038055073038.onlinenow.com.ar
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.onlinenow.com.ar logs.onlinenow.com.ar 2026040102 3600 1800 1209600 86400
Primary NS (mname)
ns1.onlinenow.com.ar
Admin Email (rname)
logs@onlinenow.com.ar
Serial
2026040102
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.onlinenow.com.ar
ns1.onlinenow.com.ar
ns5.onlinenow.com.ar
SPF Record
✓ Strict (-all)
v=spf1 a mx +include:mx.allynews.com.ar ip4:45.227.163.109 +ip4:38.55.73.38 +include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ 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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx +include:mx.allynews.com.ar ip4:45.227.163.109 +ip4:38.55.73.38 +include:spf.protection.outlook.com -all
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