techfounders.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 15:12:37 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 94.247.142.1 (no PTR)

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.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::1b ↩ dj-in-f27.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net

SOA Record

Raw SOA ns1026.ui-dns.org hostmaster.1und1.com 2017060125 28800 7200 604800 600
Primary NS (mname)
ns1026.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060125
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1073.ui-dns.de
ns1026.ui-dns.org
ns1126.ui-dns.com
ns1067.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

7 records
  • google-site-verification=wl0IjkMm9Ga0SCZfM0YV0wAmZ7rP25Fl7UEyXgZPUOo
  • MS=ms46926225
  • SPFv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com ~all
  • knowbe4-site-verification=3d8c020d6afc13770c472b5ad2aa9431
  • google-site-verification=kUyAu_TKfvzo9SavzeLRK2CIpkY7UldWUMLxIxJ0E4I
  • notion-domain-verification=h87UJ9L3faNknKs8RqU96X2K737psbQmL4GC9PzuXQW
  • google-site-verification=6s2u53Oa7loJInn88R9hvIuRfWBb60AG7Pn2SSsgWSA
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