studyzone.app - robtex.com
studyzone.app
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Subdomains
api.studyzone.app |
Same first word
DNS History
8 records (8 active, 0 former)
●NSmark.ns.cloudflare.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●NSrosalyn.ns.cloudflare.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●MXalt1.aspmx.l.google.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●MXalt2.aspmx.l.google.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●MXalt3.aspmx.l.google.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●MXalt4.aspmx.l.google.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●MXaspmx.l.google.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
●A199.36.158.1002026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 23:51:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| studyzone.app | rosalyn.ns.cloudflare.com, mark.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.59
NS records: rosalyn.ns.cloudflare.com, mark.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyzone.app (unsigned zone)
⏱️ Timing
Total: 1311ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.36.158.100 |
| NS | 2 | mark.ns.cloudflare.com, rosalyn.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | google-site-verification=lF8mZqWOMnkTcZK, hosting-site=learnzone-app... |
| SOA | 1 | mark.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
api.studyzone.app has studyzone.app as its parent.
IP Addresses
studyzone.app maps to IP address 199.36.158.100.
Other host names, for instance svg-follow.web.app, www.ghost-link.firebaseapp.com, dsc-fuo.firebaseapp.com, document5e-22051.firebaseapp.com and antirobotchecking.web.app share IP numbers with studyzone.app.
Name Servers
Two name servers mark.ns.cloudflare.com and rosalyn.ns.cloudflare.com are delegated to studyzone.app.
studyzone.app uses the same name server configuration as other domains, such as aeroarts.co.uk, uieevdg.workers.dev, kcwc.org.uk, 3ugo.com and skilx.com.
studyzone.app at least partially shares name servers with other domains such as seafishingtools.com, katrande.org, ewok.tv, lemowang.com and yongxhr.com.
these name servers are commonly used with the name servers princess.ns.cloudflare.com.
Host names with six IP numbers: Host name mark.ns.cloudflare.com points to 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130; host name rosalyn.ns.cloudflare.com points to 2606:4700:50::a29f:263b, 2803:f800:50::6ca2:c23b, 2a06:98c1:50::ac40:223b, 108.162.194.59, 162.159.38.59 and 172.64.34.59.
Mail Servers
studyzone.app is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
studyzone.app shares mail servers with other domains at least in part, for instance ns500671.ns500731.ns500731.ns500671.ns500742.ns500731.ns500731.ns500704.ns500649.ns500291.ns500142.lusty(0x736c7574)z.com, ns500698.ns500698.ns500698.ns500698.ns500758.ns500736.ns500735.ns500736.ns500576.ns500708.ns500576.ns500576.ns500576.ns500652.trackreceptor.com, ns500734.ns500734.ns500693.ns500699.ns500734.ns500693.ns500693.ns500693.ns500699.ns500588.ns500588.ns500588.ns500588.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, provideit.co and fabledwebdesign.com.
these mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx4.googlemail.com.
Two IPs per host name:
aspmx.l.google.com points to: 2607:f8b0:4023:c0b::1a and 142.250.101.26
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.27
alt2.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.26
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)