ctbuh.org - robtex.com
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ctbuh.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ | ||||||
| NS | a2.org.afilias-nst.info⚠️ | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info⚠️ | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1770954363 | ||||||
rank #4636 in the tld
📈 Tranco rank: #163,387
Up
2017.ctbuh.org |
store.ctbuh.org |
www.ctbuh.org |
buildingdb.ctbuh.org |
criteria.ctbuh.org |
n.ctbuh.org |
2016.ctbuh.org |
mail.ctbuh.org |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSaragorn.ns.cloudflare.com2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
●NSchloe.ns.cloudflare.com2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
○NSdns1.easydns.com2015-08-08 → 2017-05-08 · 3 obs
● 2017-05-08 22:43:24
○ 2026-02-14 20:35:14
○NSdns2.easydns.net2015-08-08 → 2017-05-08 · 3 obs
● 2017-05-08 22:43:24
○ 2026-02-14 20:35:14
○NSdns3.easydns.org2015-08-08 → 2017-05-08 · 3 obs
● 2017-05-08 22:43:24
○ 2026-02-14 20:35:14
●MXctbuh-org.mail.protection.outlook.com2015-08-08 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
●A104.21.3.1242026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
●A172.67.130.1782026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
●A2606:4700:3032::6815:37c2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
●A2606:4700:3033::ac43:82b22026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:35:14
○A50.17.228.1502015-08-08 → 2017-05-08 · 3 obs
● 2017-05-08 22:43:24
○ 2026-02-14 20:35:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ctbuh.org | chloe.ns.cloudflare.com, aragorn.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.33.67
NS records: chloe.ns.cloudflare.com, aragorn.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctbuh.org (unsigned zone)
⏱️ Timing
Total: 63ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.3.124, 172.67.130.178 |
| AAAA | 2 | 2606:4700:3032::6815:37c, 2606:4700:3033::ac43:82b2 |
| NS | 2 | aragorn.ns.cloudflare.com, chloe.ns.cloudflare.com |
| MX | 1 | ctbuh-org.mail.protection.outlook.com (p |
| TXT | 7 | MS=ms76195812, apple-domain-verification=m6jodqHNmG4dKw... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aragorn.ns.cloudflare.com dns.cloudflare |
AI analysis
ctbuh.org is the parent of 2017.ctbuh.org, store.ctbuh.org, www.ctbuh.org, buildingdb.ctbuh.org, criteria.ctbuh.org and a few other host names.
ctbuh.org points to four IP numbers: 2606:4700:3032::6815:37c, 2606:4700:3033::ac43:82b2, 104.21.3.124 and 172.67.130.178.
For instance, other host names docker.mx5.evo.pl, sjaakbral.nl, ip02.wcsg.org, carecarespecialties.com and reimaginedieting.org share IP numbers with ctbuh.org.
ctbuh.org is delegated to two name servers: aragorn.ns.cloudflare.com and chloe.ns.cloudflare.com.
ctbuh.org uses the same name server setup as other domains such as affordablehousingevent.com, iaba-austin.org, resifunding.com, lamissionvillanueva.com and bichodepe.com.
ctbuh.org shares name servers with other domains at least partially, for example 9566134.com, i-read.org, watchesmanager.com, 9599722.net and celeb.cz.
These name servers are commonly used with uma.ns.cloudflare.com.
Host names with six IP numbers: host name aragorn.ns.cloudflare.com points to: 2606:4700:58::adf5:3b43, 2803:f800:50::6ca2:c143, 2a06:98c1:50::ac40:2143, 108.162.193.67, 172.64.33.67 and 173.245.59.67; host name chloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a55, 2803:f800:50::6ca2:c055, 2a06:98c1:50::ac40:2055, 108.162.192.85, 172.64.32.85 and 173.245.58.85.
ctbuh.org is handled by a single mail server, ctbuh-org.mail.protection.outlook.com.
Host name ctbuh-org.mail.protection.outlook.com resolves to ten IP numbers: 2a01:111:f403:c902::1, 2a01:111:f403:c903::, 2a01:111:f403:c922::, 2a01:111:f403:f902::2, 52.101.8.36, 52.101.9.11, 52.101.41.4, 52.101.42.13, 207.46.163.42 and 216.32.180.10.