Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rnp.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 11:10:03 UTC · ↺ Refresh
MX Hostnames
- rnp-br.mail.protection.outlook.com
MX Priorities
- rnp-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.26.22 (no PTR)
- 104.18.27.22 (no PTR)
- 2606:4700::6812:1b16
- 2606:4700::6812:1a16
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
nscl1.rnp.br dns.cloudflare.com 2399550497 10000 2400 604800 1800
Primary NS (mname)
nscl1.rnp.br
Admin Email (rname)
dns@cloudflare.com
Serial
2399550497
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nscl2.rnp.br
nscl3.rnp.br
nscl4.rnp.br
nscl1.rnp.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:35.198.63.72/32 ip4:35.199.94.41/32 ip4:200.130.35.0/24 ip4:200.133.56.0/22 ip4:200.144.121.0/24 ip4:200.130.77.0/24 ip4:200.143.193.0/24 ip4:200.130.99.0/24 include:spf.plugcrm.net include:spf.topdesk.net include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
17 records- SPFv=spf1 ip4:35.198.63.72/32 ip4:35.199.94.41/32 ip4:200.130.35.0/24 ip4:200.133.56.0/22 ip4:200.144.121.0/24 ip4:200.130.77.0/24 ip4:200.143.193.0/24 ip4:200.130.99.0/24 include:spf.plugcrm.net include:spf.topdesk.net include:_spf.google.com include:spf.protection.outlook.com -all
- google-site-verification=f0JYU0wKNuU24UwCXacev85wiqRkENNSiMhRXZ-w3Ag
- google-site-verification=VMlEXEDoG042YKqdWSfq0ND3JQoddcNWiB9ltYTRScU
- brevo-code:ab205b7714718aed9b582d6fdf5757ec
- MS=ms24712007
- google-site-verification=5HzabvCUZxYnCymmB7MxBUQXIqplQR_SsRjLwCwohhc
- atlassian-domain-verification=cBHdy9fmDkKFl/HJIu120XLxuF0UJWaeaRGZOASeFmh0vm0CoXQWpMy0XVaqa5RL
- atlassian-domain-verification=RCJ3VTvtzu7k/mcQ672cTFSgZzgzKWqXHvNRTvzQthr1yOdpaE8NrXacse8zWNaP
- google-site-verification=6j4WW7qg--ojM5c4W-25jh2w-d-jopbgw99sQfBow0Y
- google-site-verification=C7L8s-CHpGzGIAwlYkNZwTT7gmrUVrajDSMWFzd6OJE
- brevo-code:5ab6cb62f3b11146cd1c32bf6cfd47e9
- _acme-challenge.sitepublico.corp.rnp.br
- google-site-verification=t9iQB2xdPqkaTXGK8eiBtl5iUTtnBwT2pv-zR4Nws9A
- google-site-verification=4-iDwYEy_kz7ar8mx2fUIZNWrY_2JwyzW02B3z35128
- amazonses:h4J8ZHvr8VJeuWKeFWP0tXIaDxOLhy105xz5KUN1saw=
- workplace-domain-verification=rPWlD2zDRt8aOgkh8twg3gQdI0Z5Ji
- google-site-verification=Ca9g8QM0M_FewBLHRBJqf7BOp_RY2JzTrTZCiBF_j6w
Full email verification for rnp.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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