polytechinfo.com - dns.ninja
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=1780910781 | ||||||
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
○ 2026-06-08 09:53:48
○NSf1g1ns2.dnspod.net2016-12-19 → 2016-12-19 · 3 obs
○ 2018-07-06 21:25:32
○ 2026-06-08 09:53:48
●NSns1.julydns.com2026-02-20 → 2026-06-08 · 3 obs
● 2026-02-20 14:36:56
● 2026-06-08 09:53:48
○NSns1.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
●NSns2.julydns.com2026-02-20 → 2026-06-08 · 3 obs
● 2026-02-20 14:36:56
● 2026-06-08 09:53:48
○NSns2.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
○NSns3.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
○NSns4.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
○NSns5.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
○NSns6.myhostadmin.net2018-07-06 → 2018-07-06 · 4 obs
● 2018-07-06 21:25:32
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
○A142.234.88.1152018-07-06 → 2018-07-06 · 3 obs
○ 2026-02-20 14:36:56
○ 2026-06-08 09:53:48
●A154.195.82.232026-02-20 → 2026-06-08 · 3 obs
● 2026-02-20 14:36:56
● 2026-06-08 09:53:48
🔍 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: 440ms | 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 just one IP address, 154.195.82.23.
Host names like kyfxyq.com are further examples that share IP numbers with polytechinfo.com.
Name Servers
Two name servers handle the delegation for polytechinfo.com: ns1.julydns.com and ns2.julydns.com.
polytechinfo.com shares its NS records with other domains, for example esmartforklift.com, growingcat.com, 028100.com and two others.
polytechinfo.com has at least partial name server overlap with other domains, such as itinge.com, cti8.com, moudow.cn and two others.
It is common to find these name servers paired with the name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.
ns1.julydns.com directs to 162.159.48.223, as does ns2.julydns.com — both hostnames resolve to that one IP address.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.