polytechltd.com - dns.ninja

`polytechltd.com`

DNSSEC	⚠️ Not signed
A	87.106.201.146^{🇩🇪 IONOS-AS87.106.0.0/16 IONOS-PA-5}
		PTR	`node203.polytechltd.com`
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`shaz.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shaz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shaz.ns.cloudflare.com`
		A	108.162.194.249^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	162.159.38.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	172.64.34.249^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
MX	`mail.polytechltd.com` ⭐
		A	87.106.201.146^{🇩🇪 IONOS-AS87.106.0.0/16 IONOS-PA-5}
			PTR	`node203.polytechltd.com`
TXT	`v=spf1 a mx a:polytechltd.com ip4:87.106.201.146 ip6:2a01:239:424:5900::1 ?all`
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2411627035

`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.net`nstld@verisign-grs.com serial=1786614999

Same first word

polytechltd.co.uk

DNS History

8 records (4 active, 4 former)

●NSdoug.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs

○ 2019-03-31 16:54:58
● 2026-08-13 10:05:14
● 2026-08-13 10:05:18

○NSns1.jdhosting4u.com2015-06-16 → 2017-02-15 · 4 obs

● 2015-06-16 07:49:04
● 2017-02-15 05:59:26
○ 2019-03-31 16:54:58
○ 2026-08-13 10:05:18

○NSns2.jdhosting4u.com2015-06-16 → 2017-02-15 · 4 obs

● 2015-06-16 07:49:04
● 2017-02-15 05:59:26
○ 2019-03-31 16:54:58
○ 2026-08-13 10:05:18

●NSshaz.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs

○ 2019-03-31 16:54:58
● 2026-08-13 10:05:14
● 2026-08-13 10:05:18

●MXmail.polytechltd.com2026-08-13 → 2026-08-13 · 3 obs

○ 2019-03-31 16:54:58
● 2026-08-13 10:05:14
● 2026-08-13 10:05:18

○MXpolytechltd.com2015-06-16 → 2017-02-15 · 4 obs

● 2015-06-16 07:49:04
● 2017-02-15 05:59:26
○ 2019-03-31 16:54:58
○ 2026-08-13 10:05:18

○A192.185.56.292015-06-16 → 2017-02-15 · 4 obs

● 2015-06-16 07:49:04
● 2017-02-15 05:59:26
○ 2019-03-31 16:54:58
○ 2026-08-13 10:05:18

●A87.106.201.1462026-08-13 → 2026-08-13 · 3 obs

○ 2019-03-31 16:54:58
● 2026-08-13 10:05:14
● 2026-08-13 10:05:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
polytechltd.com	doug.ns.cloudflare.com, shaz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.249

NS records: doug.ns.cloudflare.com, shaz.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 97ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.106.201.146`
NS	2	`doug.ns.cloudflare.com, shaz.ns.cloudflare.com`
MX	1	`mail.polytechltd.com (pri: 5)`
TXT	1	`v=spf1 a mx a:polytechltd.com ip4:87.106`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (doug.ns.cloudflare.com, doug.ns.cloudflare.com, doug.ns.cloudflare.com...)

Analysis

IP Addresses

polytechltd.com directs to one IP number, which is 87.106.201.146.

Among the host names that share IP numbers with polytechltd.com are mail.onefastpet.com, mail.otechnology.net, node203.polytechltd.co.uk and two others.

Name Servers

Two name servers handle the delegation for polytechltd.com: doug.ns.cloudflare.com and shaz.ns.cloudflare.com.

polytechltd.com has the same name server delegation as a number of other domains, such as fetizen.com, wslll.cn, otechnology.net and two more.

polytechltd.com has at least partial name server overlap with other domains, such as circul8.com.au, 22-bet-bonus.com, garabos.fr and two others.

These name servers tend to appear together with the name servers chan.ns.cloudflare.com, cody.ns.cloudflare.com and gordon.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

doug.ns.cloudflare.com resolves to 108.162.193.159, 172.64.33.159 and 173.245.59.159 among others, with 3 other IP addresses in total.

shaz.ns.cloudflare.com resolves to 108.162.194.249, 162.159.38.249 and 172.64.34.249 among others, with 3 other IP addresses in total.

Mail Servers

polytechltd.com routes its mail through a single mail server, mail.polytechltd.com.

mail.polytechltd.com carries a single IP number, which is 87.106.201.146.