Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iccchouston.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:47:47 UTC · ↺ Refresh
MX Hostnames
- iccchouston-com.mail.protection.outlook.com
MX Priorities
- iccchouston-com.mail.protection.outlook.com: 0
A / AAAA Records
- 206.168.149.90 ↩ fiber31-r.iaasdns.com
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.iaasdns.com root.fiber31-r.iaasdns.com 2026030702 3600 1800 1209600 86400
Primary NS (mname)
ns11.iaasdns.com
Admin Email (rname)
root@fiber31-r.iaasdns.com
Serial
2026030702
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- mscid=CAZT6bSp9KDE8U7swXrrrtESYWaGFS3UYbAsbg4h20hUKv/dF/PKXfXpoKnNXEaJjWq10SO54rkyEeOqNUgjpw==
- SPFv=spf1 include:spf.protection.outlook.com -all
- ms38053513
- 6gbd94hofg0arp2fp7p211caic
- iContact630951
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