ci.harker-heights.tx.us

Valid Email Server
Domain Lookup › ci.harker-heights.tx.us
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ci.harker-heights.tx.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 11:02:22 UTC · ↺ Refresh

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MX Hostnames

  • ci-harkerheights-tx-us02c.mail.protection.outlook.com

MX Priorities

  • ci-harkerheights-tx-us02c.mail.protection.outlook.com: 0

A / AAAA Records

  • 67.79.126.38 ↩ syn-067-079-126-038.biz.spectrum.com

Mail Server IPs

  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.79.126.37 ip4:67.79.126.35 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • SPFv=spf1 ip4:67.79.126.37 ip4:67.79.126.35 include:spf.protection.outlook.com -all
  • 9h5k19hj7od4f1qea9v3td7p53
  • google-site-verification=u4bOcDhOFZGUNGN38JJPFxJqWHnUqkUsfYdFmIHpzPQ
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