`open2.app`

DNSSEC	⚠️ Not signed
A	2600:9000:27c5:600:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:800:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:1600:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:5400:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:5e00:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:7600:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:7800:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	2600:9000:27c5:cc00:1f:6bc4:bcc0:93a1^{🇺🇸 Amazon2600:9000:27c5::/48}
A	18.164.116.18^{🇺🇸 Amazon18.164.112.0/21}
A	18.164.116.19^{🇺🇸 Amazon18.164.112.0/21}
A	18.164.116.27^{🇺🇸 Amazon18.164.112.0/21}
A	18.164.116.73^{🇺🇸 Amazon18.164.112.0/21}
NS	`gail.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c074^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gail.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2074^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gail.ns.cloudflare.com`
		A	108.162.192.116^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	172.64.32.116^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	173.245.58.116^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
NS	`randall.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ceb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randall.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randall.ns.cloudflare.com`
		A	108.162.195.235^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	162.159.44.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	172.64.35.235^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
SOA	`gail.ns.cloudflare.com`dns@cloudflare.com serial=2397479038

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

open2.nl

open2.net

open2.app

open2.com

open2.me

open2.it

open2.de

open2.be

open2.org

Similar names

2open.net

2open.biz

2open.it

2open.ru

2open.es

2open.com

2open.org

DNS History

50 records (14 active, 36 former)

●NSgail.ns.cloudflare.com2026-02-26 → 2026-02-27 · 2 obs

● 2026-02-26 05:28:38
● 2026-02-27 01:45:16

●NSrandall.ns.cloudflare.com2026-02-26 → 2026-02-27 · 2 obs

● 2026-02-26 05:28:38
● 2026-02-27 01:45:16

●A18.164.116.182026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A18.164.116.192026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A18.164.116.272026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A18.164.116.732026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

○A2600:9000:2120:3c00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:4000:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:6800:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:6c00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:7400:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:8a00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:9200:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:2120:fa00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A2600:9000:269f:2a00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:7c00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:8e00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:9a00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:be00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:ca00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:d600:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A2600:9000:269f:ec00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

●A2600:9000:27c5:1600:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

○A2600:9000:27c5:4600:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

●A2600:9000:27c5:5400:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A2600:9000:27c5:5e00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A2600:9000:27c5:600:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

○A2600:9000:27c5:6600:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

●A2600:9000:27c5:7600:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A2600:9000:27c5:7800:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

●A2600:9000:27c5:800:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

○A2600:9000:27c5:8400:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A2600:9000:27c5:8600:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A2600:9000:27c5:8800:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A2600:9000:27c5:9000:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A2600:9000:27c5:9200:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

●A2600:9000:27c5:cc00:1f:6bc4:bcc0:93a12026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 00:32:32
● 2026-02-27 01:45:14
● 2026-02-27 01:45:16

○A2600:9000:27c5:de00:1f:6bc4:bcc0:93a12026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A3.161.213.1232026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A3.161.213.1252026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A3.161.213.732026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A3.161.213.912026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 05:28:38
○ 2026-02-26 14:21:20
○ 2026-02-27 01:45:16

○A3.167.56.352026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A3.167.56.672026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A3.167.56.702026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A3.167.56.92026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 05:28:38
● 2026-02-26 14:21:20
○ 2026-02-27 00:32:32
○ 2026-02-27 01:45:16

○A99.84.41.1292026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A99.84.41.472026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A99.84.41.732026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

○A99.84.41.882026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 14:21:20
● 2026-02-27 00:32:32
○ 2026-02-27 01:45:14
○ 2026-02-27 01:45:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
open2.app	gail.ns.cloudflare.com, randall.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.192.116

NS records: gail.ns.cloudflare.com, randall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open2.app (unsigned zone)

⏱️ Timing

Total: 1057ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.56.9, 3.167.56.70...`
AAAA	8	`2600:9000:2511:e000:1f:6bc4:bcc0:93a1, 2600:9000:2511:5200:1f:6bc4:bcc0:93a1...`
NS	2	`gail.ns.cloudflare.com, randall.ns.cloudflare.com`
SOA	1	`gail.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld2.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...)

AI analysis

open2.app points to twelve IP numbers in increasing order: 2600:9000:27c5:600:1f:6bc4:bcc0:93a1, 2600:9000:27c5:800:1f:6bc4:bcc0:93a1, 2600:9000:27c5:1600:1f:6bc4:bcc0:93a1, 2600:9000:27c5:5400:1f:6bc4:bcc0:93a1, 2600:9000:27c5:5e00:1f:6bc4:bcc0:93a1, 2600:9000:27c5:7600:1f:6bc4:bcc0:93a1, 2600:9000:27c5:7800:1f:6bc4:bcc0:93a1, 2600:9000:27c5:cc00:1f:6bc4:bcc0:93a1, 18.164.116.18, 18.164.116.19, 18.164.116.27 and 18.164.116.73.

other host names including 8575555.com, server-18-164-116-27.jfk50.r.cloudfront.net, server-18-164-116-19.jfk50.r.cloudfront.net, server-18-164-116-73.jfk50.r.cloudfront.net and server-18-164-116-18.jfk50.r.cloudfront.net share IP numbers with open2.app.

open2.app is delegated to two name servers gail.ns.cloudflare.com and randall.ns.cloudflare.com.

open2.app shares the same name server setup as other domains, for instance gromada.group, blsk.net, arbortech-shop.de, latterdaygroom.com and y8h.top.

open2.app at least partially shares name servers with other domains, for instance arcustech.com, sjcpa.org, 17tk.cn, sharian.com and herdingcode.com.

These name servers are commonly used with glen.ns.cloudflare.com, kristina.ns.cloudflare.com and danica.ns.cloudflare.com.

Host names with six IP numbers:

Host name gail.ns.cloudflare.com points to: 2606:4700:50::adf5:3a74, 2803:f800:50::6ca2:c074, 2a06:98c1:50::ac40:2074, 108.162.192.116, 172.64.32.116 and 173.245.58.116.

Host name randall.ns.cloudflare.com points to: 2606:4700:58::a29f:2ceb, 2803:f800:50::6ca2:c3eb, 2a06:98c1:50::ac40:23eb, 108.162.195.235, 162.159.44.235 and 172.64.35.235.

open2.app - robtex.com

open2.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`open2.app`

`app`