Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
estremar.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 00:46:02 UTC · ↺ Refresh
MX Hostnames
- estremar-com.mail.protection.outlook.com
MX Priorities
- estremar-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.99.180.211 ↩ hstl5.pccorp.com.ar
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.60.71 ↩ mail-bn0pr02cu00307.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f803:: ↩ mail-byapr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a::8 ↩ mail-bn0pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.pragmacode.com hostmaster.pragmacode.com 2016031739 1200 600 1296000 3600
Primary NS (mname)
ns0.pragmacode.com
Admin Email (rname)
hostmaster@pragmacode.com
Serial
2016031739
Refresh
1200s
Retry
600s
Expire
1296000s
Minimum TTL
3600s
Nameservers (NS)
ns2.pragmacode.com
ns0.pragmacode.com
ns1.pragmacode.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- m4s-54@-TUF
- SPFv=spf1 include:spf.protection.outlook.com ~all
- MS=4346F3A305E43EB520DCFAFF4E35CF403BD80DA7
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