Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zcs.k12.in.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 23:36:50 UTC · ↺ Refresh
MX Hostnames
- zcs-k12-in-us.mail.protection.outlook.com
MX Priorities
- zcs-k12-in-us.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ena.com hostmaster.ena.com 2026022701 7200 3600 604800 3600
Primary NS (mname)
ns1.ena.com
Admin Email (rname)
hostmaster@ena.com
Serial
2026022701
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.ena.com
ns2.ena.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.1.14.157 ip4:107.23.16.222 ip4:149.154.22.246 ip4:54.173.83.138 ip4:4.17.6.91 ip4:199.36.164.0/22 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:mailgun.org include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- MS=ms92784450
- kab-8Pr-EbE
- apple-domain-verification=h8vF65IQOcmfdkN3
- ta84t16k50hvjr5ts5r0jk6k7e
- KbHOFdcoVfjlFTeHuoa0NyDNVZoo6+nYU6IdhVBYDkU461AlYgF5y7pf/E5WoLbJVpkNUOZuyppGP/jrU2M6gQ==
- google-site-verification=l10vdZVcWT-RhcnelWLo1N2zaFEnvXXyPeaTbzvjeaQ
- adobe-idp-site-verification=1d3382e9263df63a900beda672371136e37a52ebb351db07ab67fef55e57c766
- cisco-ci-domain-verification=73c4f24d4ef41766e1a776b08e21d444a3e5e416a126280e938782f4686b9816
- SPFv=spf1 ip4:52.1.14.157 ip4:107.23.16.222 ip4:149.154.22.246 ip4:54.173.83.138 ip4:4.17.6.91 ip4:199.36.164.0/22 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:mailgun.org include:sendgrid.net -all
- 61a7cc35-124c-4567-98ad-527ea1db426c
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