`instreng.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:596f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8cf8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.111^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.248^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alice.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alice.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alice.ns.cloudflare.com`
		A	108.162.192.60^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	172.64.32.60^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	173.245.58.60^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
NS	`owen.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.89.111, 172.67.140.248
		IPv6	2606:4700:3034::6815:596f, 2606:4700:3034::ac43:8cf8
SOA	`alice.ns.cloudflare.com`dns@cloudflare.com serial=2397286064

`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=1771291435

WOT: SAFE (66/100)

Previously MX for

instreng.com

Same first word

instreng.com

Similar names

grtennis.ch

ernsting.com

signrent.com

internsg.com

rentsign.net

trenings.tips

ernsting.info

grtennis.com

trenings.su

rentsign.us

ernsting.org

ernsting.de

rentings.net

rentsign.com

ernsting.nl

trenings.com

ernsting.net

ernsting.eu

snerting.no

stringen.com

grtennis.net

trenings.ru

nersting.dk

ringsten.nu

sinngetr.eu

singrent.com

rentings.info

ernsting.ch

ernsting.at

rgtennis.com

internsg.net

netrings.com

tringens.com

intengrs.com

gnsinter.com

DNS History

20 records (6 active, 14 former)

●NSalice.ns.cloudflare.com2026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

○NSns-cloud-e1.googledomains.com2018-07-28 → 2018-07-28 · 4 obs

○ 2016-09-07 17:19:10
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○NSns-cloud-e2.googledomains.com2018-07-28 → 2018-07-28 · 4 obs

○ 2016-09-07 17:19:10
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○NSns-cloud-e3.googledomains.com2018-07-28 → 2018-07-28 · 4 obs

○ 2016-09-07 17:19:10
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○NSns-cloud-e4.googledomains.com2018-07-28 → 2018-07-28 · 4 obs

○ 2016-09-07 17:19:10
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○NSns8231.hostgator.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 22:08:48
● 2016-09-07 17:19:10
○ 2018-07-28 08:42:36
○ 2026-03-23 05:29:48

○NSns8232.hostgator.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 22:08:48
● 2016-09-07 17:19:10
○ 2018-07-28 08:42:36
○ 2026-03-23 05:29:48

●NSowen.ns.cloudflare.com2026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

○MXalt1.aspmx.l.google.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXalt2.aspmx.l.google.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXaspmx.l.google.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXaspmx2.googlemail.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXaspmx3.googlemail.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXinstreng.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

○MXmail.instreng.com2015-05-25 → 2018-07-28 · 4 obs

● 2015-05-25 22:08:48
● 2018-07-28 08:42:36
○ 2026-03-08 06:43:04
○ 2026-03-23 05:29:48

●A104.21.89.1112026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

●A172.67.140.2482026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

○A192.185.46.302015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 22:08:48
● 2016-09-07 17:19:10
○ 2018-07-28 08:42:36
○ 2026-03-23 05:29:48

●A2606:4700:3034::6815:596f2026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

●A2606:4700:3034::ac43:8cf82026-03-08 → 2026-03-23 · 3 obs

○ 2018-07-28 08:42:36
● 2026-03-08 06:43:04
● 2026-03-23 05:29:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net...	-
instreng.com	alice.ns.cloudflare.com, owen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.60

NS records: alice.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instreng.com (unsigned zone)

⏱️ Timing

Total: 222ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.248, 104.21.89.111`
AAAA	2	`2606:4700:3034::ac43:8cf8, 2606:4700:3034::6815:596f`
NS	2	`alice.ns.cloudflare.com, owen.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alice.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by instreng.com: 2606:4700:3034::6815:596f, 2606:4700:3034::ac43:8cf8, 104.21.89.111 and 172.67.140.248.

other host names including zonesmartblog.uk, creativelrnpreschool.com, arenauspeha.ru, join-rode.com and ase360.org share IP numbers with instreng.com.

Name Servers

instreng.com is delegated to two name servers alice.ns.cloudflare.com and owen.ns.cloudflare.com.

instreng.com shares the same name server setup as other domains, for instance vitalebooks.com, akupunkturmerkezleri.com.tr, calendario-colombia.com, dts-international.com and cabanahome.com.

instreng.com at least partially shares name servers with other domains, for instance cordiascol.pro, 4006788.com, loyolamaroon.com, keyakinanlivebet.live and chokdeedimsum.com.

these name servers are often used together with mckinley.ns.cloudflare.com, josh.ns.cloudflare.com, martin.ns.cloudflare.com and sima.ns.cloudflare.com.

Host names with six IP numbers:

Host name alice.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3c, 2803:f800:50::6ca2:c03c, 2a06:98c1:50::ac40:203c, 108.162.192.60, 172.64.32.60 and 173.245.58.60.

Host name owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219.

instreng.com - robtex.com

instreng.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`instreng.com`

`com`