`polytechinstruments.net`

DNSSEC	⚠️ Not signed
A	51.255.69.180^{🇫🇷 OVH51.254.0.0/15}
		PTR	`nxg9180.premiumwebservers.com`
NS	`ns11.premiumwebservers.com` ⭐
		A	91.121.48.173^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`ns11.premiumwebservers.com`
NS	`ns12.premiumwebservers.com`
		A	91.121.56.221^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`ns12.premiumwebservers.com`
SOA	`ns11.premiumwebservers.com`hostmaster@polytechinstruments.net 2017-09-26 #12

`net`

	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.net`nstld@verisign-grs.com serial=1771291465

Same first word

polytechinstruments.net

polytechinstruments.com

polytechinstruments.co.in

DNS History

8 records (3 active, 5 former)

○NSdx3200.dnsseek.com2015-07-20 → 2017-02-05 · 4 obs

● 2015-07-20 03:30:42
● 2017-02-05 00:37:30
○ 2018-07-04 18:06:18
○ 2026-03-15 02:20:52

●NSns11.premiumwebservers.com2018-07-04 → 2026-03-15 · 3 obs

○ 2017-02-05 00:37:30
● 2018-07-04 18:06:18
● 2026-03-15 02:20:52

●NSns12.premiumwebservers.com2018-07-04 → 2026-03-15 · 3 obs

○ 2017-02-05 00:37:30
● 2018-07-04 18:06:18
● 2026-03-15 02:20:52

○NSns3.dnsseek.com2015-07-20 → 2017-02-05 · 4 obs

● 2015-07-20 03:30:42
● 2017-02-05 00:37:30
○ 2018-07-04 18:06:18
○ 2026-03-15 02:20:52

○NSns4.dnsseek.com2015-07-20 → 2017-02-05 · 4 obs

● 2015-07-20 03:30:42
● 2017-02-05 00:37:30
○ 2018-07-04 18:06:18
○ 2026-03-15 02:20:52

○MXmail.polytechinstruments.net2015-07-20 → 2017-02-05 · 4 obs

● 2015-07-20 03:30:42
● 2017-02-05 00:37:30
○ 2018-07-04 18:06:18
○ 2026-03-15 02:20:52

●A51.255.69.1802018-07-04 → 2026-03-15 · 3 obs

○ 2017-02-05 00:37:30
● 2018-07-04 18:06:18
● 2026-03-15 02:20:52

○A67.15.56.462015-07-20 → 2017-02-05 · 4 obs

● 2015-07-20 03:30:42
● 2017-02-05 00:37:30
○ 2018-07-04 18:06:18
○ 2026-03-15 02:20:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	b.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
polytechinstruments.net	ns11.premiumwebservers.com, ns12.premiumwebservers.com	-

✅ Authoritative Response

Server: 91.121.48.173

NS records: ns11.premiumwebservers.com, ns12.premiumwebservers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytechinstruments.net (unsigned zone)

⏱️ Timing

Total: 730ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.255.69.180`
NS	2	`ns12.premiumwebservers.com, ns11.premiumwebservers.com`
SOA	1	`ns11.premiumwebservers.com hostmaster.po`

Analysis

IP Addresses

polytechinstruments.net resolves to a single IP address: 51.255.69.180.

Other host names including mail.spacetec.in, nkindustries.co.in, www.midasgroup.co.in, talatirera.cybergoldsystems.com and ppcchennai.com share IP numbers with polytechinstruments.net.

Name Servers

polytechinstruments.net's delegation uses two name servers, ns11.premiumwebservers.com and ns12.premiumwebservers.com.

polytechinstruments.net shares the same name server setup as other domains, for example rbksbl.com, advancegroups.in, phuleeducation.org, mumbaihockey.org and vaastubilling.com.

polytechinstruments.net at least partially shares name servers with other domains, including princemultiplast.com, gold-diamond.com, templeofflowers.com, neetapuri.com and grisbiholidays.com.

These name servers are often used together with ns3.dnsseek.com, ns4.dnsseek.com, nxg9180.premiumwebservers.com, ns2.dns4net.com, ns.dns4net.com, ns2.premiumwebservers.com, ns.premiumwebservers.com, ns2.valuewebservers.com and ns.valuewebservers.com.

Host names with a single IP:

ns11.premiumwebservers.com points to 91.121.48.173.

ns12.premiumwebservers.com points to 91.121.56.221.

polytechinstruments.net - robtex.com