mjsd.k12.wi.us

Valid Email Server
Domain Lookup › mjsd.k12.wi.us

Domain Overview

DNS: ✓ just now Checker: ✓ just now
mjsd.k12.wi.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-01 22:04:05 UTC · ↺ Refresh

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MX Hostnames

  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • mxa.mailgun.org
  • alt1.aspmx.l.google.com
  • mxb.mailgun.org
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • mxa.mailgun.org: 10
  • mxb.mailgun.org: 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

  • 104.17.38.2 (no PTR)
  • 104.17.39.2 (no PTR)

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 34.36.182.139 ↩ 139.182.36.34.bc.googleusercontent.com
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.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

SOA Record

Raw SOA peyton.ns.cloudflare.com dns.cloudflare.com 2404335988 10000 2400 604800 1800
Primary NS (mname)
peyton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404335988
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

simone.ns.cloudflare.com
peyton.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:216.56.21.254 ip4:74.205.225.52 ip4:216.83.185.44 ip4:66.195.143.26 ip4:8.12.72.20 a:mail.wiscnet.net include:_spf.google.com include:mjsd-k12-wi-us.spf.smtp25.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

5 records
  • SPFv=spf1 ip4:216.56.21.254 ip4:74.205.225.52 ip4:216.83.185.44 ip4:66.195.143.26 ip4:8.12.72.20 a:mail.wiscnet.net include:_spf.google.com include:mjsd-k12-wi-us.spf.smtp25.com -all
  • MS=244EA553439A6AFE85CF69E8926BB49DFD40B54E
  • apple-domain-verification=crHPwIBN0C09pNK0
  • apple-domain-verification=iHVDwEK7VZWPXWul
  • google-site-verification=B0FZ0iu8BbYK04-N4nPVzWkEnkxcB1mOl69jY2nL_-Y
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