mindtap.cn - robtex.com
mindtap.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | kyindxmmexternal.cengage.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.cengage.net | ||||||
| A | 69.32.149.38🇺🇸 RoadRunner69.32.148.0/23 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040 | ||||||
| NS | ns2.cengage.net | ||||||
| A | 69.32.224.38🇺🇸 RoadRunner69.32.224.0/24 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040 | ||||||
| PTR | kyindxns4.cengage.net | ||||||
| PTR | ns2.cengage.net | ||||||
| TXT | "v=spf1 -all" | ||||||
| SOA | kyindxmmexternal.cengage.nethostmaster@mindtap.cn 2022-09-28 #2 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035086967 | ||||||
Same first word
mindtap.online |
mindtap.com |
mindtap.mobi |
mindtap.org |
mindtap.net |
mindtap.cn |
mindtap.co.uk |
mindtap.com.au |
mindtap.co.nz |
Similar names
DNS History
8 records (3 active, 5 former)
●NSkyindxmmexternal.cengage.net2026-07-01 → 2026-07-25 · 3 obs
○ 2015-12-29 19:48:50
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
●NSns1.cengage.net2026-07-01 → 2026-07-25 · 3 obs
○ 2015-12-29 19:48:50
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
○NSns1.ipmanagerinc.net2015-07-17 → 2015-12-29 · 4 obs
● 2015-07-17 20:18:56
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
●NSns2.cengage.net2026-07-01 → 2026-07-25 · 3 obs
○ 2015-12-29 19:48:50
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
● 2026-07-01 16:48:40
● 2026-07-25 08:07:48
○NSns2.ipmanagerinc.net2015-07-17 → 2015-12-29 · 4 obs
● 2015-07-17 20:18:56
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
○NSns3.ipmanagerinc.net2015-07-17 → 2015-12-29 · 4 obs
● 2015-07-17 20:18:56
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
○NSns4.ipmanagerinc.net2015-07-17 → 2015-12-29 · 4 obs
● 2015-07-17 20:18:56
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
○NSns5.ipmanagerinc.net2015-07-17 → 2015-12-29 · 4 obs
● 2015-07-17 20:18:56
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
● 2015-12-29 19:48:50
○ 2026-07-01 16:48:40
○ 2026-07-25 08:07:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| mindtap.cn | ns1.cengage.net, ns2.cengage.net | - |
✅ Authoritative Response
Server:69.32.224.38
NS records: ns1.cengage.net, ns2.cengage.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mindtap.cn (unsigned zone)
⏱️ Timing
Total: 948ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | kyindxmmexternal.cengage.net, ns2.cengage.net... |
| TXT | 1 | "v=spf1 -all" |
| SOA | 1 | kyindxmmexternal.cengage.net hostmaster. |
Analysis
Name Servers
mindtap.cn carries NS records delegating to kyindxmmexternal.cengage.net, ns1.cengage.net and ns2.cengage.net.
At least some of mindtap.cn's name servers are shared with other domains, for example thomsonlearning.com.br, pmecollection.com, cengageschool.com and two more.
These name servers tend to co-occur with dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 7 other name servers in the same DNS delegations.
Each of ns1.cengage.net and ns2.cengage.net has one IP address: ns1.cengage.net uses 69.32.149.38 and ns2.cengage.net uses 69.32.224.38.