Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcnb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 04:08:00 UTC · ↺ Refresh
MX Hostnames
- tcnb-com.mail.protection.outlook.com
MX Priorities
- tcnb-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.124.249.190 ↩ cloudproxy10190.sucuri.net
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns09.domaincontrol.com dns.jomax.net 2026032001 28800 7200 604800 600
Primary NS (mname)
pdns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns09.domaincontrol.com
pdns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:207.250.50.238 ip4:167.89.11.238 include:spfhost.messageprovider.com a:merrelay.fidelityifs.com include:spf.exclaimer.net include:spf.constantcontact.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
9 records- spf2.0/pra mx mx:tcnb.com include:spf.protection.outlook.com ip4:207.250.50.238 ip4:167.89.11.238 include:spfhost.messageprovider.com a:merrelay.fidelityifs.com include:spf.exclaimer.net include:spf.constantcontact.com -all
- SPFv=spf1 include:spf.protection.outlook.com ip4:207.250.50.238 ip4:167.89.11.238 include:spfhost.messageprovider.com a:merrelay.fidelityifs.com include:spf.exclaimer.net include:spf.constantcontact.com -all
- google-site-verification=cgVLW5M-gcwuu_da8Oa1UAeMqfqatLEMHnGb4ed8m7c
- 99IewP8sNxZpHJerWcUbP7A81awe16i4FLExGFw3pShwlxtyAb6FppEv+rYJQ1R6OljEMOdMUO4N2fVAFGyCPA==
- google-site-verification=vFm3Vi8OZOVwnc5xX4q9UrmMSa8InUT2xKpwK2EMIh4
- docusign=1b85d8bf-8d1a-4740-94e8-3a441dfe329e
- google-site-verification=GPiB-yJ6sVCzJ_42RRvLTG_uUN969O43EYtKhnaOcZg
- FerbgNfw4S2Ku2kxsTypnqFk3fV3EuOQzgTOR/VCJmThPRkYjlREJoQdBRMZ/V5JVTt3a4Qj/tBYoFgt1oL3jg==
- docusign=e25ac080-234d-4bf2-b4d0-bf5117a85899
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