Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nacionalgas.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:06:48 UTC · ↺ Refresh
MX Hostnames
- nacionalgas-com-br.mail.protection.outlook.com
MX Priorities
- nacionalgas-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 8.243.54.153 ↩ 8-243-54-153.centurylink.com.br
- 201.57.89.10 (no PTR)
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
nacionalgas.com.br postmaster.nacionalgas.com.br 100 3600 3 3600 5
Primary NS (mname)
nacionalgas.com.br
Admin Email (rname)
postmaster@nacionalgas.com.br
Serial
100
Refresh
3600s
Retry
3s
Expire
3600s
Minimum TTL
5s
Nameservers (NS)
ns2.edsonqueiroz.com.br
ns1.edsonqueiroz.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:186.229.41.214 ip4:201.57.89.86 ip4:148.105.15.122 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- zscaler-verification-99606916-5302025-M78HZD
- wombat-verification=3KwxVCQV1HEp-aRXRTKKaZ5G0frhk
- google-site-verification=DDCSmW99PMnwUH3JmO3_8Y0GnSECfbLMBKgHn_slNgs
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:186.229.41.214 ip4:201.57.89.86 ip4:148.105.15.122 -all
- MS=ms21502665
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