investorsunderground.com

Valid Email Server
Domain Lookup › investorsunderground.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
investorsunderground.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 14:09:12 UTC · ↺ Refresh

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MX Hostnames

  • aspmx4.googlemail.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx5.googlemail.com

MX Priorities

  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • aspmx4.googlemail.com: 10
  • aspmx5.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 104.20.34.54 (no PTR)
  • 172.66.169.194 (no PTR)
  • 2606:4700:10::6814:2236
  • 2606:4700:10::ac42:a9c2

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net

SOA Record

Raw SOA kirk.ns.cloudflare.com dns.cloudflare.com 2404260267 10000 2400 604800 1800
Primary NS (mname)
kirk.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404260267
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kirk.ns.cloudflare.com
zara.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:104.131.199.12 ip4:192.241.227.229 ip4:107.170.223.67 ip4:162.243.65.240 ip4:99.198.118.226 include:_spf.google.com ip4:216.239.32.0/19 ip4:64.233.160.0/19 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:209.85.128.0/17 ip4:206.189.187.241 include:sendgrid.net include:servers.mcsv.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
default._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

4 records
  • google-site-verification=pQSDr2GljD5iYx07m9Xac3sD6kYOJ4qV0Uws79B_ZOA
  • google-site-verification=wSjaF-G2N516n2x7MyyfxoCPPLO3GrtEyc0rhZt9lE0
  • SPFv=spf1 ip4:104.131.199.12 ip4:192.241.227.229 ip4:107.170.223.67 ip4:162.243.65.240 ip4:99.198.118.226 include:_spf.google.com ip4:216.239.32.0/19 ip4:64.233.160.0/19 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:209.85.128.0/17 ip4:206.189.187.241 include:sendgrid.net include:servers.mcsv.net -all
  • google-site-verification=hAQ83xtfUXeu66SKvgMDYWmN7TQhzmDNj88P0AvEXpE
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