Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buckinghamgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:56:20 UTC · ↺ Refresh
MX Hostnames
- buckinghamgroup-com.mail.protection.outlook.com
MX Priorities
- buckinghamgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns77.domaincontrol.com dns.jomax.net 2026021901 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns78.domaincontrol.com
ns77.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.buckinghamgroup.com include:spf2.buckinghamgroup.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- smartsheet-site-validation=6cIVPp3Vz5J4eAsfYt8BSyz0NXRXHLik
- pOEowyzLn89syBB/JLoznQ2FnXp6vblZBZn3dAUxpZmav4X8jo1dx/1hgytDYHHiuqzs9O/e4Qj2G/apa/vfvA==
- twilio-domain-verification=ff4752cb34e377adfb2c4234a167cedc
- 3cd60de2-8701-4a94-bbea-d7b1b6ded9f1
- ZOOM_verify_NFRBKJ83mkQiPRIIy7fLiu
- apple-domain-verification=sEGpjFCoKwn6I5LR
- box-domain-verification=0014fe45e4c0f97c5a7a7fdd42835af07899fc8bdc577c39239ec822f002ee70
- docusign=b6b59270-9986-430a-8a4e-b5c9d6738362
- SPFv=spf1 include:spf1.buckinghamgroup.com include:spf2.buckinghamgroup.com include:spf.protection.outlook.com -all
- jamf-site-verification=H_L5jCvjV0lfuDz776Y0dA
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 buckinghamgroup.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits