Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4streamline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:42:14 UTC · ↺ Refresh
MX Hostnames
- 4streamline-com.mail.protection.outlook.com
MX Priorities
- 4streamline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.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)
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net include:spf.smtp2go.com include:autotask.net include:spf.us.exclaimer.net exists:%{i}._spf.inkyphishfence.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
8 records- apple-domain-verification=g0uGDydtilh4UKSb
- mscid=P8kl9JWAyha8gs6GgRrXrjo4/xVcSje30mwvX47Aw2ypTY7jRhXVDkrCPHZtdmZA+cAW265FYf2eqWHOb0bing==
- ercsspp6p4so7u2nl4svfbv5nl
- have-i-been-pwned-verification=b46e93e7bcae29e14cd22e2a61b60ca7
- MS=ms85981302
- have-i-been-pwned-verification=f983a0fe8e1da983cd6dcb3ff5a26f4b
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net include:spf.smtp2go.com include:autotask.net include:spf.us.exclaimer.net exists:%{i}._spf.inkyphishfence.com ~all
- C4WN7M46OB._autotask.4streamline.com
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for 4streamline.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits