crescendo-learning.com - robtex.com
crescendo-learning.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.16.172.24Cloudflare104.16.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.16.173.24Cloudflare104.16.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.greengeeks.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 75.2.69.7🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | aba07164e9478179d.awsglobalaccelerator.com | ||||||
| NS | ns1.greengeeks.com ⚠️ Not in zone NS records | ||||||
| A | 75.2.69.7🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | aba07164e9478179d.awsglobalaccelerator.com | ||||||
| NS | ns2.greengeeks.com ⚠️ Not in zone NS records | ||||||
| A | 99.83.188.187🇺🇸 Amazon99.83.176.0/20 | ||||||
| PTR | aba07164e9478179d.awsglobalaccelerator.com | ||||||
| NS | ns2.greengeeks.net ⚠️ Not in parent delegation | ||||||
| A | 99.83.188.187🇺🇸 Amazon99.83.176.0/20 | ||||||
| PTR | aba07164e9478179d.awsglobalaccelerator.com | ||||||
| MX | mail.crescendo-learning.com ⭐ | ||||||
| A | 65.60.36.230🇺🇸 SINGLEHOP65.60.0.0/18 | ||||||
| PTR | chi209.greengeeks.net | ||||||
| TXT | v=spf1 ip4:65.60.36.230 include:spf.greengeeks.net +a +mx +ip4:108.163.201.34... | ||||||
| SOA | ns1.greengeeks.netroot@chi209.greengeeks.net 2026-03-28 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774768762 | ||||||
Subdomains
mail.crescendo-learning.com |
Same first word
crescendo-learning.com |
DNS History
7 records (7 active, 0 former)
●NSns1.greengeeks.com2026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●NSns1.greengeeks.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●NSns2.greengeeks.com2026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●NSns2.greengeeks.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●MXmail.crescendo-learning.com2026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●A104.16.172.242026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
●A104.16.173.242026-02-17 → 2026-03-29 · 2 obs
● 2026-03-29 07:30:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| crescendo-learning.com | ns1.greengeeks.com, ns2.greengeeks.com | 2 records |
✅ Authoritative Response
Server:75.2.69.7
NS records: ns1.greengeeks.com, ns2.greengeeks.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crescendo-learning.com (unsigned zone)
⏱️ Timing
Total: 1313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.16.173.24, 104.16.172.24 |
| NS | 2 | ns2.greengeeks.net, ns1.greengeeks.net |
| MX | 1 | mail.crescendo-learning.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:65.60.36.230 include:spf.gree |
| SOA | 1 | ns1.greengeeks.net root.chi209.greengeek |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.greengeeks.com, ns2.greengeeks.com)
Analysis
Hierarchy
crescendo-learning.com is parent of mail.crescendo-learning.com.
IP Addresses
crescendo-learning.com points to two IP numbers: 104.16.172.24 and 104.16.173.24.
Other host names, for instance dci-clientserv.com, gwkent.com, dreamduffel.com, 4techniques.com and organicbathbody.com share IP numbers with crescendo-learning.com.
Name Servers
crescendo-learning.com is delegated to four name servers: ns1.greengeeks.com, ns2.greengeeks.com, ns1.greengeeks.net and ns2.greengeeks.net.
crescendo-learning.com at least partially shares its name servers with other domains, for instance kerricoombs.com, hoskyu.com, kiarts.com, geekniche.com and auniversalcarriage.com.
these name servers are commonly used with the name servers chi-ns1.greengeeks.com, chi-ns2.greengeeks.com, ams-ns1.greengeeks.com, chi-ns1.websitehostserver.net and chi-ns2.websitehostserver.net.
Host names with a single IP address:
ns1.greengeeks.com and ns1.greengeeks.net point to 75.2.69.7; ns2.greengeeks.com and ns2.greengeeks.net point to 99.83.188.187.
Mail Servers
crescendo-learning.com is served by a single mail server, mail.crescendo-learning.com.
mail.crescendo-learning.com points to IP number 65.60.36.230.