jfrn.jus.br

Valid Email Server
Domain Lookup › jfrn.jus.br

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
jfrn.jus.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 10:34:37 UTC · ↺ Refresh

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MX Hostnames

  • jfrn-jus-br.u-v1.mx.microsoft

MX Priorities

  • jfrn-jus-br.u-v1.mx.microsoft: 0

A / AAAA Records

  • 45.178.243.157 (no PTR)
  • 2801:80:35a0:ffff::157 (no PTR)

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.jfrn.jus.br root.jfrn.jus.br 2026051301 1200 300 604800 3600
Primary NS (mname)
ns1.jfrn.jus.br
Admin Email (rname)
root@jfrn.jus.br
Serial
2026051301
Refresh
1200s
Retry
300s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.jfrn.jus.br
ns2.jfrn.jus.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:45.178.243.133 ip4:45.178.243.128/25 ip6:2801:80:35a0:ffff::/64 include:spf.protection.outlook.com mx -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]; sp=quarantine; adkim=s ;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

7 records
  • cisco-ci-domain-verification=5e1403ae1f3165c09ab50b3c9e1a89c785f42db2d1a76b2ecb36518cd477a460
  • SPFv=spf1 ip4:45.178.243.133 ip4:45.178.243.128/25 ip6:2801:80:35a0:ffff::/64 include:spf.protection.outlook.com mx -all
  • MS=ms79929173
  • ZOOM_verify_-cykn3xlRKK2Akt_VOgs_g
  • pexip-ms-tenant-domain-verification=581c8df5-65c0-4572-ad6a-da6e22f41876
  • have-i-been-pwned-verification=14f32b43b7200eeb1572e7039e9d5a56
  • facebook-domain-verification=qd53kueml4nirkdrk1boz5spopqv1t
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