Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rennit.nyc
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 10:45:12 UTC · ↺ Refresh
MX Hostnames
- rennit-nyc.mail.protection.outlook.com
MX Priorities
- rennit-nyc.mail.protection.outlook.com: 0
A / AAAA Records
- 138.197.91.199 (no PTR)
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns59.domaincontrol.com dns.jomax.net 2024111902 28800 7200 604800 600
Primary NS (mname)
ns59.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024111902
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns59.domaincontrol.com
ns60.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:o1.ptr75.cardknox.com ip4:138.197.91.199 ip4:149.72.194.176 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ 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: 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
4 records- knowbe4-site-verification=e7d2b4d728bf433247a1271b25cf00b1
- MS=ms89868889
- NETORGFT4103137.onmicrosoft.com
- SPFv=spf1 a:o1.ptr75.cardknox.com ip4:138.197.91.199 ip4:149.72.194.176 include:spf.protection.outlook.com ~all
Full email verification for rennit.nyc
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits