campustech.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
campustech.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 04:38:26 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.20.17.94
  • 172.66.153.200
  • 2606:4700:10::6814:115e
  • 2606:4700:10::ac42:99c8

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.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::1b ↩ dj-in-f27.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA donna.ns.cloudflare.com dns.cloudflare.com 2398021370 10000 2400 604800 1800
Primary NS (mname)
donna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398021370
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

donna.ns.cloudflare.com
huxley.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.250.142.17 include:_spf.zdsys.com include:spf.mandrillapp.com include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

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

2 records
  • SPFv=spf1 ip4:66.250.142.17 include:_spf.zdsys.com include:spf.mandrillapp.com include:_spf.google.com -all
  • google-site-verification=qhgFzMyVRPSjnjHqQJ--Do-GDc0A7owD4uroDaSKcQM
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