bioptimizers.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
bioptimizers.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 14:53:05 UTC · ↺ Refresh

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MX Hostnames

  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 172.66.40.189
  • 172.66.43.67

Mail Server IPs

  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c27::1b ↩ yuiadsk-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA ivan.ns.cloudflare.com dns.cloudflare.com 2407825143 10000 2400 604800 1800
Primary NS (mname)
ivan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407825143
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ivan.ns.cloudflare.com
rafe.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +include:_spf.google.com include:6875107.spf08.hubspotemail.net include:spf.zoho.com include:transmail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ri=86400; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • apple-domain-verification=iTxvziknEisSVP9u
  • atlassian-domain-verification=6dbBHFpkIirRuYoCUpSIsFP1sNZAFhTLRjVMQ2aTt6Gq1/RXnz8gL4iiYjSYGz6g
  • google-site-verification=VNOIaTCxJUBE3Mx41rZKebGRMoRYfRFhqYMk-y5BRNI
  • google-site-verification=bNcyGnr5RnzSpSNhVrjq-RQ7cCn7aX9I3EN1leFHP30
  • google-site-verification=palRm_qyrkYOzLfip4r_2R7qgABSxvYLeE99kK_goZo
  • klaviyo-site-verification=XePWf7
  • klaviyo-site-verification=YfqAyN
  • SPFv=spf1 +a +mx +include:_spf.google.com include:6875107.spf08.hubspotemail.net include:spf.zoho.com include:transmail.net ~all
  • amazon-business-verification=8c7262af58123e91da7ab2ea989e752cc6e0aa99b35b5b809398acc4093eb935
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