Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
houstonian.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:42:11 UTC · ↺ Refresh
MX Hostnames
- houstonian-com.mail.protection.outlook.com
MX Priorities
- houstonian-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.239.34.21 ↩ any-in-2215.1e100.net
- 216.239.36.21 ↩ any-in-2415.1e100.net
- 216.239.38.21
- 216.239.32.21
- 2001:4860:4802:36::15
- 2001:4860:4802:38::15
- 2001:4860:4802:32::15
- 2001:4860:4802:34::15
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns27.domaincontrol.com dns.jomax.net 2026031600 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns27.domaincontrol.com
ns28.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
10 records- google-site-verification=gp8iKPuGLXht0I0lFsCl36TMtcPvJOahCpCZzfn8GMA
- intacct-esk=EF19C6145F3F6374E05350220D0A3ACD
- duo_sso_verification=ooRNqyUlOlK1A8ApmxnV3kkTcR0sfJxUjj1CGYXV3EAH3zFz1s40zMa1CpgtjqXA
- apple-domain-verification=hu7zk4eLduuTSsRy
- zoho-verification=zb15373873.zmverify.zoho.com
- _spf.ultipro.com
- ZVMZYHFPAL5Q9MRE9AV7QFS23YUTC2RTZJRJSOEN
- 2Opc+tki1r0QYoV6ibeM4NEAgdN3m1E8uJtcyoz/AVEiUxahRP0ryjzenN3Rx3IGSAbx8YARwh+YAokxdk2G/w==
- google-site-verification=0LS_Gun9wW4HUiXoIT6USKDX0ivX7xyQLUPEwYarp8A
- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
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