techfirst.io

Valid Email Server
Domain Lookup › techfirst.io

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
techfirst.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 07:13:56 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • alt4.aspmx.l.google.com: 50
  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 30
  • alt3.aspmx.l.google.com: 40

A / AAAA Records

  • 198.202.211.1
  • 2620:cb:2000::1

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 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
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA daniella.ns.cloudflare.com dns.cloudflare.com 2400075551 10000 2400 604800 1800
Primary NS (mname)
daniella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400075551
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

daniella.ns.cloudflare.com
lloyd.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

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

3 records
  • google-site-verification=JHVRf4bJAMgCH25OyAalZeIDPqxFlm303b7c9Hhv9DU
  • MS=555B91E4CE26C4A17E1E0A960117158E5D49FAA3
  • google-site-verification=Iq4Cv39uuXCYcVsqcJj_6EG2NstNHwfNNr4JfrZuqAI
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