quantco.com

Valid Email Server
Domain Lookup › quantco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
quantco.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 12:22:46 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 10
  • aspmx2.googlemail.com: 40
  • aspmx3.googlemail.com: 50
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 30

A / AAAA Records

  • 76.76.21.21 (no PTR)

Mail Server IPs

  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA ns1.name.com hostmaster.nsone.net 1643122570 7200 3600 604800 300
Primary NS (mname)
ns1.name.com
Admin Email (rname)
hostmaster@nsone.net
Serial
1643122570
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1psw.name.com
ns2nsy.name.com
ns3qtx.name.com
ns4lny.name.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._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

15 records
  • perplexity-ai-domain-verification-1nxeb1=u4fE1zfXmDJ9rGpUN8QDNArdR
  • lovable_verification=zmS7srosebq18JBoVeLx
  • anthropic-domain-verification-z6vja8=b2xnBghakDDDYpG8SfuVB8pLW
  • slack-domain-verification=tumIMFVVlLbswf0HwMIcybS6lqdTobf2fYc98SDs
  • twilio-domain-verification=2d20d802fa3ad48eef0d7d448e4544d5
  • SPFv=spf1 include:_spf.google.com ~all
  • MS=ms24898876
  • challenge: fortytwo
  • asv=8dba019f86c6a03f7eff45e44bc10f7f
  • D0D453B100
  • notion-domain-verification=CEj8axmbxHSAoNxQhEHO92ghV6lw9qrwQWhqlz6Fn7o
  • apple-domain-verification=QS60HbjeTQcaUTox
  • cursor-domain-verification-p3erpq=kBfulhAXQjMPXYSlQAqk9KpWx
  • openai-domain-verification=dv-q9WaHZ0j8Xy1ZQyeKOL3h7fG
  • openai-domain-verification=dv-e3r3ptWuZPOQQr9j5erFJBPI
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