unigranrio.edu.br

Valid Email Server
Domain Lookup › unigranrio.edu.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
unigranrio.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 14:25:11 UTC · ↺ Refresh

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MX Hostnames

  • unigranrio-edu-br.mail.protection.outlook.com

MX Priorities

  • unigranrio-edu-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.64.145.109 (no PTR)
  • 104.18.42.147 (no PTR)
  • 2a06:98c1:3102::6812:2a93
  • 2606:4700:4400::ac40:916d

Mail Server IPs

  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA fiona.ns.cloudflare.com dns.cloudflare.com 2399936045 10000 2400 604800 1800
Primary NS (mname)
fiona.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399936045
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

pete.ns.cloudflare.com
fiona.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:69.43.203.0/24 ip4:177.154.94.0/24 ip4:200.155.29.0/24 include:mh.blackboard.com include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=84600
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

11 records
  • knowbe4-site-verification=3f432771bc736fecf8a62a0930c7f7e7
  • openai-domain-verification=dv-xJAdBxXq6xsXhZBaWWASR2hi
  • SPFv=spf1 ip4:69.43.203.0/24 ip4:177.154.94.0/24 ip4:200.155.29.0/24 include:mh.blackboard.com include:_spf.google.com include:spf.protection.outlook.com -all
  • MS=93DEC2C31C1FF25F94A95C3A0164FCC2834D2D71
  • MS=ms81430176
  • ca3-66761683042f4df5a99f418e3b99508f
  • ca3-96c343b8c2c74ffd9d7cced840f298df
  • facebook-domain-verification=87dzwrctcxik4i3ta7ylmn4o55qkty
  • google-site-verification=7Pz5Pgr8m5o_5YQ4Zz5l8jHhABIYXKUUzemO-2Jk5ng
  • google-site-verification=nlUWwyWgHp-SFY6cZmfP0RDCDbigYXLxXbXz_hqpnG0
  • google-site-verification=uaNieNXwRbZiPmi7fKDnpzBmNIs_UgoSvWlWPdUy65Q
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