teachingbydesign.org - robtex.com
teachingbydesign.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.236.233.173🇺🇸 AS26347173.236.128.0/17 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES | ||||||
| PTR | dp-c2334f3cf0.dreamhostps.com | ||||||
| NS | ns1.dreamhost.com ⭐ | ||||||
| A | 162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dreamhost.com | ||||||
| NS | ns2.dreamhost.com | ||||||
| A | 162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dreamhost.com | ||||||
| NS | ns3.dreamhost.com | ||||||
| A | 162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dreamhost.com | ||||||
| SOA | ns1.dreamhost.comhostmaster@dreamhost.com 2026-03-19 #3 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774392789 | ||||||
Subdomains
www.teachingbydesign.org |
Same first word
teachingbydesign.org |
DNS History
5 records (4 active, 1 former)
●NSns1.dreamhost.com2017-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 23:24:22
●NSns2.dreamhost.com2017-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 23:24:22
●NSns3.dreamhost.com2017-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 23:24:22
●A173.236.233.1732026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 23:24:20
● 2026-03-24 23:24:22
○A75.119.195.2122020-02-24 → 2020-02-24 · 3 obs
○ 2026-03-24 23:24:20
○ 2026-03-24 23:24:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| teachingbydesign.org | ns3.dreamhost.com, ns1.dreamhost.com, ns2.dreamhost.com | - |
✅ Authoritative Response
Server:162.159.26.81
NS records: ns3.dreamhost.com, ns1.dreamhost.com, ns2.dreamhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachingbydesign.org (unsigned zone)
⏱️ Timing
Total: 2323ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.236.233.173 |
| NS | 3 | ns3.dreamhost.com, ns1.dreamhost.com... |
| SOA | 1 | ns1.dreamhost.com hostmaster.dreamhost.c |
Analysis
Hierarchy
The parent of www.teachingbydesign.org is teachingbydesign.org.
IP Addresses
teachingbydesign.org points to a single IP: 173.236.233.173.
Other host names such as dp-c2334f3cf0.dreamhostps.com and www.teachingbydesign.org share IP numbers with teachingbydesign.org.
Name Servers
teachingbydesign.org is delegated to three name servers: ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.
teachingbydesign.org partially shares name servers with other domains; examples include stuartallen.info, thaitada.com, benhopkins.com, ketubahart.us and topnotch10.com.
Host names with one IP number:
Host ns1.dreamhost.com points to 162.159.26.14.
Host ns2.dreamhost.com points to 162.159.26.81.
Host ns3.dreamhost.com points to 162.159.27.84.