Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isaacinstruments.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:01:32 UTC · ↺ Refresh
MX Hostnames
- isaacinstruments-com.mail.protection.outlook.com
MX Priorities
- isaacinstruments-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns07.domaincontrol.com dns.jomax.net 2026022802 28800 7200 604800 600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns07.domaincontrol.com
pdns08.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com include:spf-ca.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- onetrust-domain-verification=42fcfa55ce48486f9e4faeadd8554664
- druide-validation-domaine=24747f96eed0cad2b8d4166e5a801bdc
- MS=ms65904795
- SPFv=spf1 include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com include:spf-ca.emailsignatures365.com -all
- wrike-verification=NTI3MTg1MTpkMjJkYzhkZjcyMDA5ZWU2YjUwOTU4ODljNThhNjE5YjdlZGY2NWU3YmRhYmY4M2UxNTdiN2VkZDBkNDcxYWIy
- google-site-verification=PlhFylKdyB-KWBwiRnjtjwaJ3d6VbwT-2deRtrRzrzw
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