polytechinfo.com - robtex.com
polytechinfo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.195.82.23🇺🇸 GNET-AS9294154.195.80.0/20 | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1763133232 | ||||||
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=1778395406 | ||||||
Same first word
polytechinfo.com |
Similar names
DNS History
12 records (3 active, 9 former)
○NSf1g1ns1.dnspod.net2016-12-19 → 2016-12-19 · 3 obs
○ 2018-07-06 21:25:32
○ 2026-05-10 07:12:24
○NSf1g1ns2.dnspod.net2016-12-19 → 2016-12-19 · 3 obs
○ 2018-07-06 21:25:32
○ 2026-05-10 07:12:24
●NSns1.julydns.com2026-02-20 → 2026-05-10 · 3 obs
● 2026-02-20 14:36:56
● 2026-05-10 07:12:24
○NSns1.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
●NSns2.julydns.com2026-02-20 → 2026-05-10 · 3 obs
● 2026-02-20 14:36:56
● 2026-05-10 07:12:24
○NSns2.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
○NSns3.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
○NSns4.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
○NSns5.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
○NSns6.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
○A142.234.88.1152018-07-06 → 2018-07-06 · 3 obs
○ 2026-02-20 14:36:56
○ 2026-05-10 07:12:24
●A154.195.82.232026-02-20 → 2026-05-10 · 3 obs
● 2026-02-20 14:36:56
● 2026-05-10 07:12:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| polytechinfo.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechinfo.com (unsigned zone)
⏱️ Timing
Total: 252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.195.82.23 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
IP Addresses
polytechinfo.com resolves to a single IP address: 154.195.82.23.
Other host names, for instance kyfxyq.com, share IP numbers with polytechinfo.com.
Name Servers
polytechinfo.com's delegation uses two name servers, ns1.julydns.com and ns2.julydns.com.
polytechinfo.com shares the same name server setup as other domains, for example esmartforklift.com, growingcat.com, zh-mobile-yihaogame.com, 028100.com and hunan-tsinghua.com.
polytechinfo.com at least partially shares name servers with other domains, including itinge.com, cti8.com, moudow.cn, yunhe518.net and ddhms.com.
These name servers are commonly used with ns1.judns.com and ns2.judns.com.
Host names with a single IP:
- ns1.julydns.com points to 162.159.48.223
- ns2.julydns.com points to 162.159.48.223
Host names that point to 162.159.48.223: ns1.julydns.com and ns2.julydns.com