Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rizecu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 18:51:02 UTC · ↺ Refresh
MX Hostnames
- rizecu-com.mail.protection.outlook.com
MX Priorities
- rizecu-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.worldnic.com namehost.worldnic.com 126010912 10800 3600 604800 3600
Primary NS (mname)
ns5.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126010912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns6.worldnic.com
ns5.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:10.24.49.200 ip4:149.72.147.186 ip4:167.89.101.239 ip4:54.212.156.247 ip4:208.8.38.20/28 ip4:216.145.127.64/27 ip4:54.240.27.0/24 ip4:144.86.200.0/22 include:spf.protection.outlook.com include:spfhost.messageprovider.com include:spf.cashedge.com include:spf-westus.emailsignatures365.com include:mailgun.org include:spfref.jackhenry.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- scnv-verification=03be81f90aaf226b0272df6ee0014337:8dd0e0359e146db2f55f661c63c56369:c7238a62743f48b59219f68035ad3662
- MS=ms91330732
- knowbe4-site-verification=5c5bb8bace7add154a911b6e9d68740d
- scnv-verification=b92fedb6f2776db33c6ecd10312a816a:8a8ccc29ab868d38f46b3f2e85b22374:9fb43e2ca8cc4e38b49de8413a23275a
- SPFv=spf1 ip4:10.24.49.200 ip4:149.72.147.186 ip4:167.89.101.239 ip4:54.212.156.247 ip4:208.8.38.20/28 ip4:216.145.127.64/27 ip4:54.240.27.0/24 ip4:144.86.200.0/22 include:spf.protection.outlook.com include:spfhost.messageprovider.com include:spf.cashedge.com include:spf-westus.emailsignatures365.com include:mailgun.org include:spfref.jackhenry.com -all
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