DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
houstonisd.org runs on Cloudflare, with DNS by AWS Route 53 and email via Microsoft 365.
- Hosting network
- CloudflareAS13335Cloudflare
- Managed DNS
- AWS Route 53
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 5,023,094 other sites on Cloudflare. Stable here since we started watching (Sep 24, 2026).
DNS Records for houstonisd.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| houstonisd.org | MX | 0 | 10 | houstonisd-org.mail.protection.outlook.com |
| houstonisd.org | SOA | 86400 | ns-1428.awsdns-50.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400 | |
| houstonisd.org | NS | 0 | ns-997.awsdns-60.net | |
| houstonisd.org | NS | 0 | ns-1428.awsdns-50.org | |
| houstonisd.org | NS | 0 | ns-412.awsdns-51.com | |
| houstonisd.org | NS | 0 | ns-1742.awsdns-25.co.uk | |
| houstonisd.org | TXT | 0 | v=spf1 ip4:166.127.112.179 include:_spf.qualtrics.com include:spf.protection.outlook.com include:spf_c.oraclecloud.com include:printhosting.com include:242536946.spf08.hubspotemail.net -all | |
| houstonisd.org | TXT | 0 | autodesk-domain-verification=PJ6PlibChN4mQmnEdYBt | |
| houstonisd.org | TXT | 0 | anthropic-domain-verification-qqgp8a=n5N82t6qB2CLBmeRnrOPXwLVY | |
| houstonisd.org | A | 0 | 104.17.71.73 | |
| www.houstonisd.org | CNAME | 0 | houstonisdorg.finalsite.com | |
| www.houstonisd.org | A | 0 | 104.17.163.123 | |
| www.houstonisd.org | A | 0 | 104.17.165.123 | |
| www.houstonisd.org | A | 0 | 104.17.162.123 | |
| www.houstonisd.org | A | 0 | 104.17.166.123 | |
| www.houstonisd.org | A | 0 | 104.17.164.123 | |
| www.houstonisd.org | AAAA | 0 | 2606:4700::6811:a27b | |
| www.houstonisd.org | AAAA | 0 | 2606:4700::6811:a37b | |
| www.houstonisd.org | AAAA | 0 | 2606:4700::6811:a47b | |
| www.houstonisd.org | AAAA | 0 | 2606:4700::6811:a67b | |
| www.houstonisd.org | AAAA | 0 | 2606:4700::6811:a57b | |
| www.houstonisd.org | CAA | 0 | 0 issue comodoca.com | |
| www.houstonisd.org | CAA | 0 | 0 issue digicert.com | |
| www.houstonisd.org | CAA | 0 | 0 issue letsencrypt.org | |
| www.houstonisd.org | CAA | 0 | 0 issue pki.goog; cansignhttpexchanges=yes | |
| www.houstonisd.org | CAA | 0 | 0 issue godaddy.com | |
| www.houstonisd.org | CAA | 0 | 0 issue ssl.com |
Get alerted the moment houstonisd.org's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch houstonisd.org continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain