Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
etonbio.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:00:30 UTC · ↺ Refresh
MX Hostnames
- etonbio-com.mail.protection.outlook.com
MX Priorities
- etonbio-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.251.41.73 ↩ etonbio.com
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.syssrc.com broswell.syssrc.com 2026031601 43200 7200 1209600 3600
Primary NS (mname)
dns.syssrc.com
Admin Email (rname)
broswell@syssrc.com
Serial
2026031601
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
backdns.syssrc.com
ns3.syssrc.com
dns.syssrc.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:131.125.11.1 ip4:96.10.241.122 ip4:50.218.50.43 ip4:70.164.110.218 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 2025101314443965in8iyo3dnp7mwg94yhht55liqozm940dpx7zt38qynnr7dvh
- SPFv=spf1 ip4:131.125.11.1 ip4:96.10.241.122 ip4:50.218.50.43 ip4:70.164.110.218 include:spf.protection.outlook.com ~all
- MS=ms27459999
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 etonbio.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits