Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
contreras.com.ar
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 20:33:47 UTC · ↺ Refresh
MX Hostnames
- contreras-com-ar.mail.protection.outlook.com
MX Priorities
- contreras-com-ar.mail.protection.outlook.com: 0
A / AAAA Records
- 45.132.157.104 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.iplanisp.com.ar hostmaster.iplan.com.ar 2018122898 3600 600 1400000 3600
Primary NS (mname)
dns1.iplanisp.com.ar
Admin Email (rname)
hostmaster@iplan.com.ar
Serial
2018122898
Refresh
3600s
Retry
600s
Expire
1400000s
Minimum TTL
3600s
Nameservers (NS)
dns2.iplanisp.com.ar
dns1.iplanisp.com.ar
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.111.193.18 ip4:190.111.193.19 ip4:190.111.193.21 ip4:190.210.214.87 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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 ip4:190.111.193.18 ip4:190.111.193.19 ip4:190.111.193.21 ip4:190.210.214.87 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- fLVEoCzqeXJwj0xv4AcNvkAb2ku6qKqyHdtK1w2jYrGz3PUTEBS7d9tFKxyszF0mTY0qGGu7qWU1ba49cEh2JQ==
- mtp5hfmdctq3kgp9oj0ptdbtdn
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