isstechnology.inf.br

Valid Email Server
Domain Lookup › isstechnology.inf.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isstechnology.inf.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 05:06:15 UTC · ↺ Refresh

MX Hostnames

  • isstechnology-inf-br.mail.protection.outlook.com

MX Priorities

  • isstechnology-inf-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 170.81.41.146 ↩ efesios.ddns.seg.br
  • 2804:3744::135:0:0:0:2 (no PTR)

Mail Server IPs

  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.efesios.ddns.seg.br noc.ddns.seg.br 2026020601 3600 1800 1209600 86400
Primary NS (mname)
ns1.efesios.ddns.seg.br
Admin Email (rname)
noc@ddns.seg.br
Serial
2026020601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.efesios.ddns.seg.br
ns2.efesios.ddns.seg.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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