polytechnic.school - dns.ninja
polytechnic.school
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.91.197.27🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object | ||||||
| NS | ns17.worldnic.com ⭐ | ||||||
| A | 162.159.26.214Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns18.worldnic.com | ||||||
| A | 162.159.27.150Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS17.WORLDNIC.COMnamehost@WORLDNIC.COM serial=123012416 | ||||||
school
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.school ⭐ | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1785828456 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
○NSdns1.name-services.com2016-12-10 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
○NSdns2.name-services.com2016-12-10 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
○NSdns3.name-services.com2016-12-10 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
○NSdns4.name-services.com2016-12-10 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
○NSdns5.name-services.com2016-12-10 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
●NSns17.worldnic.com2026-04-09 → 2026-08-04 · 3 obs
● 2026-04-09 02:43:54
● 2026-08-04 08:29:30
●NSns18.worldnic.com2026-04-09 → 2026-08-04 · 3 obs
● 2026-04-09 02:43:54
● 2026-08-04 08:29:30
●A208.91.197.272026-04-09 → 2026-08-04 · 3 obs
● 2026-04-09 02:43:54
● 2026-08-04 08:29:30
○A69.64.147.372017-08-18 → 2017-08-18 · 4 obs
● 2017-08-18 12:31:40
○ 2026-04-09 02:43:54
○ 2026-08-04 08:29:30
○A8.5.1.422016-12-10 → 2016-12-10 · 3 obs
○ 2017-08-18 12:31:40
○ 2026-08-04 08:29:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v0n0.nic.school, v0n1.nic.school, v0n2.nic.school, v0n3.nic.school... | 12 records |
| polytechnic.school | ns17.worldnic.com, ns18.worldnic.com | - |
✅ Authoritative Response
Server:162.159.26.214
NS records: ns17.worldnic.com, ns18.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechnic.school (unsigned zone)
⏱️ Timing
Total: 450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns17.worldnic.com, ns18.worldnic.com |
| SOA | 1 | NS17.WORLDNIC.COM namehost.WORLDNIC.COM |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n0.nic.school, v0n1.nic.school...)
Analysis
IP Addresses
polytechnic.school has exactly one IP address — 208.91.197.27.
cooperpest.info, seiuqualitychildcareallianceil.net, onehundredpercentbrand.com plus two other host names have IP numbers in common with polytechnic.school.
Name Servers
The NS records for polytechnic.school delegate to ns17.worldnic.com and ns18.worldnic.com.
The name server configuration of polytechnic.school is shared with other domains, for instance vixcom.com, mercurycorp.com, gotogear4.com and two others.
polytechnic.school has a partial name server overlap with other domains — among them abwe-go.com and joshbernard.nyc.
ns17.worldnic.com directs to 162.159.26.214 and ns18.worldnic.com directs to 162.159.27.150; each host name points to exactly one IP number.