Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biztimes.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 10:41:29 UTC · ↺ Refresh
MX Hostnames
- biztimes-com.mail.protection.outlook.com
MX Priorities
- biztimes-com.mail.protection.outlook.com: 10
A / AAAA Records
- 18.188.75.113 ↩ ec2-18-188-75-113.us-east-2.compute.amazonaws.com
- 3.143.189.87 ↩ ec2-3-143-189-87.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1168.awsdns-18.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1168.awsdns-18.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-874.awsdns-45.net
ns-114.awsdns-14.com
ns-1168.awsdns-18.org
ns-1601.awsdns-08.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:99.23.10.129 include:servers.mcsv.net include:spf.client.mirabeltechnologies.com include:emsd1.com include:cvent-planner.com include:spfa.cpmails.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=yP955UBjHrRe1sd8opVxaOdvBC-BBn8PwCrzlqrYTs8
- SPFv=spf1 include:spf.protection.outlook.com ip4:99.23.10.129 include:servers.mcsv.net include:spf.client.mirabeltechnologies.com include:emsd1.com include:cvent-planner.com include:spfa.cpmails.com -all
- yahoo-verification-key=TOiOgJwTpzN7/eQeCLNp9HKkk0cBcHViGMUX4gEIJuk=
- Validity-Domain-Verification=Z+STTbvvLcYaP5dj4JDDL5AXzv4=
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 biztimes.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits