Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isbscorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 22:33:11 UTC · ↺ Refresh
MX Hostnames
- isbscorp-com.mail.protection.outlook.com
MX Priorities
- isbscorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.94 (no PTR)
- 199.60.103.194 (no PTR)
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns03.domaincontrol.com dns.jomax.net 2026010700 28800 7200 604800 3600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns04.domaincontrol.com
ns03.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.171.164.234 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
7 records- MS=099DDE845018357EA75287B0C7B423C0405D0E26
- openai-domain-verification=dv-I6NGc7RAhwxeowZUOIgr4Ket
- SPFv=spf1 ip4:50.171.164.234 include:spf.protection.outlook.com -all
- google-site-verification=dT8h6auuhPuDaWMsjD9UxMZeDe82YIb2GwZnGEwbP_A
- MS=F9F48D07EE2B1A0152B59A4BFEA1018108CE45C3
- include:242795193.spf08.hubspotemail.net
- v=verifydomain MS=7747228
Full email verification for isbscorp.com
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