Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blairchamber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:54:43 UTC · ↺ Refresh
MX Hostnames
- blairchamber-com.mail.protection.outlook.com
MX Priorities
- blairchamber-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.97.186.205 ↩ vps52809.dreamhostps.com
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.domaincontrol.com dns.jomax.net 2026031600 28800 7200 604800 600
Primary NS (mname)
ns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns11.domaincontrol.com
ns12.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:72.28.197.49 include:spf.protection.outlook.com a:outgoing.keyconn.net a:relay1.weblinkinternational.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=25;sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
⚠ Policy applies to 25% of failing messages only
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
4 records- google-site-verification=aDO1hKQbjQAM3c8iXu53SdQn8LjrlzK-uYVOhBwHTM8
- SPFv=spf1 ip4:72.28.197.49 include:spf.protection.outlook.com a:outgoing.keyconn.net a:relay1.weblinkinternational.com include:spf.mandrillapp.com ~all
- MS=B272DF7BD940F3F05FB5A3C481C751D4EDBA287C
- MS=ms37836380
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 blairchamber.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits