biolegend.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biolegend.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:18:17 UTC · ↺ Refresh

MX Hostnames

  • biolegend-com.mail.protection.outlook.com

MX Priorities

  • biolegend-com.mail.protection.outlook.com: 5

A / AAAA Records

  • 104.18.20.23 (no PTR)
  • 104.18.21.23 (no PTR)

Mail Server IPs

  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.easydns.com zone.easydns.com 1770396716 3600 600 604800 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1770396716
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

dns3.easydns.org
dns1.easydns.com
dns2.easydns.net
dns4.easydns.info

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:173.196.211.176/29 ip4:12.35.196.192/26 ip4:12.97.44.208/28 ip4:213.121.199.74 ip4:193.148.23.148/30 ip4:173.46.145.40 ip4:67.129.151.12 ip4:208.86.168.7 ip4:67.231.156.168 mx include:spf.protection.outlook.com include:sendgrid.net include:aspmx.pardot.com include:spf.zohomail360.com exists:%{i}._spf.mta.salesforce.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; pct=100; ri=86400; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=reject;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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

10 records
  • apple-domain-verification=huJvaDshNjBturSL
  • parallels-domain-verification=fe610d45e16745cc8dca54e7d45c73cdbcefb58b917e438981350cbfe17a2159
  • asv=00b43ebb624d553bcc25261998597d78
  • MS=ms99516699
  • sending_domain504701=a932755d86a51c9e3988f565f0da11235eb927b91dd08abc7a5087db80bc5afc
  • XdQHZIT-6wYx7Cljt1WJ3J3-M3UzbqLRx4zMCco-F2I
  • pardot504701=046d9bbbafc883ee2b42678e564ec71d8ddbffe8f9805054782b858c93411de1
  • dropbox-domain-verification=uqe1r8ltx76i
  • google-site-verification=XdQHZIT-6wYx7Cljt1WJ3J3-M3UzbqLRx4zMCco-F2I
  • SPFv=spf1 ip4:173.196.211.176/29 ip4:12.35.196.192/26 ip4:12.97.44.208/28 ip4:213.121.199.74 ip4:193.148.23.148/30 ip4:173.46.145.40 ip4:67.129.151.12 ip4:208.86.168.7 ip4:67.231.156.168 mx include:spf.protection.outlook.com include:sendgrid.net include:aspmx.pardot.com include:spf.zohomail360.com exists:%{i}._spf.mta.salesforce.com ~all
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 biolegend.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits