Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
robertibt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:51:29 UTC · ↺ Refresh
MX Hostnames
- robertibt-com.mail.protection.outlook.com
MX Priorities
- robertibt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.175.150.171 ↩ node616.namehero.net
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.namehero.com root.node616.namehero.net 2026021801 3600 1800 1209600 86400
Primary NS (mname)
ns1.namehero.com
Admin Email (rname)
root@node616.namehero.net
Serial
2026021801
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.namehero.com
ns1.namehero.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:relay.mailchannels.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:relay.mailchannels.net -all
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