Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
integer-cr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:37:27 UTC · ↺ Refresh
MX Hostnames
- integercr-com01i.mail.protection.outlook.com
MX Priorities
- integercr-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 75.101.134.27 ↩ ec2-75-101-134-27.compute-1.amazonaws.com
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:6262421.spf08.hubspotemail.net include:mail.zendesk.com include:send.zcsend.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- mscid=u4no9avNp6MDpmvO9oNSUKOMdJWwhF6+7fg9K49jKKy9U2uQu6oRlYMw7AZoBHvOD4MC65mhkCcrNIhyXZY9Wg==
- SPFv=spf1 include:spf.protection.outlook.com include:6262421.spf08.hubspotemail.net include:mail.zendesk.com include:send.zcsend.net -all
- MS=ms58068736
Full email verification for integer-cr.com
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