rochester.k12.mi.us

Valid Email Server
Domain Lookup › rochester.k12.mi.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rochester.k12.mi.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 18:42:30 UTC · ↺ Refresh

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MX Hostnames

  • one-spamfw2.oakland.k12.mi.us
  • one-spamfw1.oakland.k12.mi.us

MX Priorities

  • one-spamfw1.oakland.k12.mi.us: 10
  • one-spamfw2.oakland.k12.mi.us: 20

A / AAAA Records

  • 104.17.69.73 (no PTR)

Mail Server IPs

  • 216.11.92.100 ↩ one-spamfw1.oakland.k12.mi.us
  • 216.11.254.100 ↩ one-spamfw2.oakland.k12.mi.us

SOA Record

Raw SOA chuck.ns.cloudflare.com dns.cloudflare.com 2400101900 10000 2400 604800 1800
Primary NS (mname)
chuck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400101900
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dara.ns.cloudflare.com
chuck.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:customerspf.schoolmessenger.com include:spf.protection.outlook.com include:_spf.qualtrics.com ip4:216.11.139.200 ip4:216.11.139.201 ip4:216.11.139.125 ip4:199.36.164.0/22 ip4:216.11.92.0/24 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • SPFv=spf1 include:customerspf.schoolmessenger.com include:spf.protection.outlook.com include:_spf.qualtrics.com ip4:216.11.139.200 ip4:216.11.139.201 ip4:216.11.139.125 ip4:199.36.164.0/22 ip4:216.11.92.0/24 ~all
  • MS=ms21751132
  • ZOOM_verify_NnynSv-sTG6wh-2XL8Zcog
  • adobe-idp-site-verification=8a02477a08378172d425643a8ded35971d079f410d1c3204f4ae153559bab5bf
  • apple-domain-verification=mb2RDBwKUgPGqFwz
  • autodesk-domain-verification=1Ep2Y_7KU2D_KtNB5ZMH
  • google-site-verification=qewIOELTnvX4nIEES_K6dF6A7i-Y82P4UITc6UwM1Ww
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt6CUAOY3IaBxvRr6CXDluuJsJsuEp8mzUFIKkeymoHWRgA2amiLSESM8ic/CQ60G0XqFnoLBpk8tsWo7LffATC8g3+lP
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