cdn.studystack.com - dns.ninja
cdn.studystack.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 69.89.15.53🇺🇸 CLOUDFLARESPECTRUM69.89.0.0/20 Cloudscale365 Inc, Hosting Div. | ||||||
| PTR | cloud3.studystack.com | ||||||
| NS | ns11.eapps.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2606:3380:100::141🇺🇸 TUT-AS2606:3380:100::/48 | ||||||
| A | 69.89.8.104🇺🇸 CLOUDFLARESPECTRUM69.89.0.0/20 Cloudscale365 Inc, Hosting Div. | ||||||
| PTR | ns11.eapps.com | ||||||
| NS | ns12.eapps.com ⚠️ Not in parent delegation | ||||||
| A | 2606:3380:100::142🇺🇸 TUT-AS2606:3380:100::/48 | ||||||
| A | 216.154.208.208🇺🇸 CLOUDFLARESPECTRUM216.154.208.0/20 Cloudscale365 Inc, Hosting Div. | ||||||
| PTR | ns12.eapps.com | ||||||
| NS | ns13.eapps.com ⚠️ Not in parent delegation | ||||||
| A | 2606:3380:100::13e🇺🇸 TUT-AS2606:3380:100::/48 | ||||||
| A | 216.21.12.172🇺🇸 TUT-AS216.21.12.0/24 Total Uptime Technologies LLC | ||||||
| PTR | 216-21-12-172.customer.totaluptime.net | ||||||
| NS | ns14.eapps.com ⚠️ Not in parent delegation | ||||||
| TXT | v=spf1 a mx a:outgoing.eapps.com ~all | ||||||
| SOA | ns11.eapps.comsupport@eapps.com 2019-01-27 #0 | ||||||
studystack.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 69.89.15.53🇺🇸 CLOUDFLARESPECTRUM69.89.0.0/20 Cloudscale365 Inc, Hosting Div. | ||||||
| NS | ns11.eapps.com ⭐ | ||||||
| NS | ns12.eapps.com | ||||||
| NS | ns13.eapps.com | ||||||
| NS | ns14.eapps.com | ||||||
| MX | mx-01.eapps.com ⭐ | ||||||
| MX | mx-02.eapps.com(20) | ||||||
| TXT | v=spf1 include:_spf.google.com a mx a:outgoing.eapps.com ~all | ||||||
| TXT | google-site-verification=D8HA0Uc0OF63Vkd7gpGPU9FTtpu_c8Gw6Y8vJSy3SG8 | ||||||
| TXT | _mgmizrmy7e84ja7b03ib03b56owqwas | ||||||
| TXT | _fhlpfrsoq1rxf1fg3mnwufi75zevoyw | ||||||
| SOA | ns11.eapps.comsupport@eapps.com 2026-03-06 #0 | ||||||
rank #85654 globally
rank #40368 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #112,377
PTR for
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○A68.169.54.2172016-12-31 → 2016-12-31 · 3 obs
○ 2026-03-31 01:53:32
○ 2026-07-11 15:34:38
●A69.89.15.532026-03-31 → 2026-07-11 · 3 obs
● 2026-03-31 01:53:32
● 2026-07-11 15:34:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| studystack.com | ns11.eapps.com, ns12.eapps.com, ns13.eapps.com, ns14.eapps.com | 4 records |
✅ Authoritative Response
Server:162.252.213.63
NS records: ns11.eapps.com, ns12.eapps.com, ns13.eapps.com, ns14.eapps.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studystack.com (unsigned zone)
⏱️ Timing
Total: 176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 69.89.15.53 |
| NS | 4 | ns11.eapps.com, ns12.eapps.com... |
| TXT | 1 | v=spf1 a mx a:outgoing.eapps.com ~all |
| SOA | 1 | ns11.eapps.com support.eapps.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.eapps.com, ns12.eapps.com, ns13.eapps.com...)
Analysis
IP Addresses
cdn.studystack.com points to a single IP number: 69.89.15.53.
_dc-mx.db0e86400a01.sstk.biz, cloud3.studystack.com and studystack.com are examples of other host names that share IP numbers with cdn.studystack.com.
Name Servers
cdn.studystack.com has four authoritative name servers: ns11.eapps.com, ns12.eapps.com, ns13.eapps.com and ns14.eapps.com.
cdn.studystack.com shares at least some of its name servers with other domains, including myportaldev.fudutsinma.edu.ng, cf580.vm-host.net, 83.59.169.68.in-addr.arpa and two others.
ns11.eapps.com, ns12.eapps.com and ns13.eapps.com are three hostnames that each resolve to a pair of IP addresses: ns11.eapps.com to 69.89.8.104 and 2606:3380:100::141, ns12.eapps.com to 216.154.208.208 and 2606:3380:100::142, and ns13.eapps.com to 216.21.12.172 and 2606:3380:100::13e.