Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rtpcompany.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:27:01 UTC · ↺ Refresh
MX Hostnames
- rtpcompany-com.mail.protection.outlook.com
MX Priorities
- rtpcompany-com.mail.protection.outlook.com: 10
A / AAAA Records
- 5.161.91.217 ↩ static.217.91.161.5.clients.your-server.de
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.rtpcompany.com postmaster.rtpcompany.com 2011123354 3600 600 1209600 38400
Primary NS (mname)
dns.rtpcompany.com
Admin Email (rname)
postmaster@rtpcompany.com
Serial
2011123354
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
ns5.dnsmadeeasy.com
ns102.digicertdns.com
dns3.rtpcompany.com
dns4.rtpcompany.com
dns2.rtpcompany.com
rwdns.rtpcompany.com
ns101.digicertdns.com
63.219.151.12
ns100.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.saashr.com include:sendgrid.net ip4:35.231.189.43 ip4:35.231.237.213 ip4:149.72.234.10 ip4:34.74.57.127 ip4:65.162.42.152 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- XnpMZVEKNWs38TvLmSy0uH++mYWf5YhJJxfxxZdN5HMM/It+kxPLNPsKkcD/dxayapW9guTon6kXz7zZB2+iWQ==
- ndjwm4pvgx133p3083hj4j6f7s0tdtfm
- MS=D64F5437E436B87C486D8F8DC362685B25EC276D
- jdqllwqvtc1ykhxxnx1jlnxydq70xnvm
- SPFv=spf1 include:spf.protection.outlook.com include:spf.saashr.com include:sendgrid.net ip4:35.231.189.43 ip4:35.231.237.213 ip4:149.72.234.10 ip4:34.74.57.127 ip4:65.162.42.152 -all
- 5J7tVO5RpSzsG8QkWKDJfbbIbiFO5Si4HsdTD77L9+qNDzyNN/1z+1CTAD0c9PbFP3ixzNs/qAZojj8U3qOYLg==
Full email verification for rtpcompany.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits