biosero.com

Valid Email Server
Domain Lookup › biosero.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
biosero.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-19 05:19:03 UTC · ↺ Refresh

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MX Hostnames

  • mxb-00689a01.gslb.pphosted.com
  • mx3.zoho.com
  • mxa-00689a01.gslb.pphosted.com
  • mx2.zoho.com

MX Priorities

  • mx3.zoho.com: 50
  • mxa-00689a01.gslb.pphosted.com: 10
  • mxb-00689a01.gslb.pphosted.com: 10
  • mx2.zoho.com: 20

A / AAAA Records

  • 24.144.82.230 ↩ biosero.com

Mail Server IPs

  • 204.141.43.44 ↩ mx6.zoho.com
  • 205.220.185.117 ↩ mx08-00689a01.pphosted.com
  • 143.55.144.65 ↩ mx07-00689a01.pphosted.com

SOA Record

Raw SOA a.portsdns.se registry.ports.net 2026081500 14400 3600 1814400 3600
Primary NS (mname)
a.portsdns.se
Admin Email (rname)
registry@ports.net
Serial
2026081500
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

b.portsdns.net
a.portsdns.se

SPF Record

✓ Soft Fail (~all)
v=spf1 include:one.zoho.com include:spf.EU.exclaimer.net include:zcsend.net include:spf.protection.outlook.com include:spf-00689a01.pphosted.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No 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

16 records
  • autodesk-domain-verification=5qn-Df648ibZ_P6IQ1GC
  • hubspot-NzT405iB0e8x
  • apple-domain-verification=47nTgavfA1AFyIcS
  • teamviewer-sso-verification=a4f61fca16fa4b5cbabe6aca94bc5b0d
  • google-site-verification=WdHNzrRhVWzLu5Wz7jBU-4G8eMsoxIN7PYIJmNhvf1g
  • SPFv=spf1 include:one.zoho.com include:spf.EU.exclaimer.net include:zcsend.net include:spf.protection.outlook.com include:spf-00689a01.pphosted.com ~all
  • adobe-idp-site-verification=109ee11f10c442368336d697f13851d823a6a0691d2f782e76e09d750237cde3
  • biosero.com: _dbzn19rw6aqnlxlajekm755lmigrhlg
  • hubspot-domain-verification=OGE4OTA0ZGUtMjFiNS00ODE1LTlkZWMtMGRmN2E5MDVkYzFh
  • openai-domain-verification=dv-TnlWD6zQLsauIiSf94Bz7yFn
  • zoho-verification=zb81460836.zmverify.zoho.com
  • apple-domain-verification=np2ofeYotoKNIUpR
  • atlassian-domain-verification=tGqTOdTcYcEIH8wACl/3l8jCzQyO7ecjl946krKz2c7kEekyDLlg9qnkiTumn0Eg
  • DomainVerification=4OP9VCTTD31P32RAZO9WHFFJ72FOUYXKPMN3AT0CDJCUXSUL7XRQ31KGD6HMEWXQ
  • hubspot-domain-verification=MzEyMzQ3NjQtM2YwYi00NGE4LTlmYzktZjIzODA3OGY1OTFi
  • google-site-verification=hROev_3xnFQLa__o2w1Y-IWiVh7aWF0LhRuLt2hlAYk
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