openstone.tech - dns.ninja

`openstone.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b059^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5056^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.86^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.89^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
NS	`lara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c080^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2080^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lara.ns.cloudflare.com`
		A	108.162.192.128^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	172.64.32.128^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	173.245.58.128^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=zM3W1xyOFwRN0fg9hhYg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.86, 172.67.176.89
		IPv6 hints	2606:4700:3033::ac43:b059, 2606:4700:3034::6815:5056
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2411751025

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1786461842

Same first word

openstone.tech

openstone.dk

openstone.cn

Similar names

opentones.com

onestopne.com

opennotes.us

opennotes.org

seenontop.com

neonetops.com

onenetpos.com

DNS History

15 records (9 active, 6 former)

●NSian.ns.cloudflare.com2026-04-24 → 2026-08-11 · 2 obs

● 2026-04-24 21:07:36
● 2026-08-11 15:30:52

●NSlara.ns.cloudflare.com2026-04-24 → 2026-08-11 · 2 obs

● 2026-04-24 21:07:36
● 2026-08-11 15:30:52

●MXmx1.feishu.cn2026-04-24 → 2026-08-11 · 2 obs

● 2026-04-24 21:07:36
● 2026-08-11 15:30:52

●MXmx2.feishu.cn2026-04-24 → 2026-08-11 · 2 obs

● 2026-04-24 21:07:36
● 2026-08-11 15:30:52

●MXmx3.feishu.cn2026-04-24 → 2026-08-11 · 2 obs

● 2026-04-24 21:07:36
● 2026-08-11 15:30:52

●A104.21.80.862026-04-24 → 2026-08-11 · 7 obs

● 2026-04-24 21:07:36
● 2026-06-01 01:31:54
○ 2026-06-18 08:43:40
● 2026-07-08 19:38:10
○ 2026-07-29 13:14:48
● 2026-08-11 15:30:50
● 2026-08-11 15:30:52

●A172.67.176.892026-04-24 → 2026-08-11 · 7 obs

● 2026-04-24 21:07:36
● 2026-06-01 01:31:54
○ 2026-06-18 08:43:40
● 2026-07-08 19:38:10
○ 2026-07-29 13:14:48
● 2026-08-11 15:30:50
● 2026-08-11 15:30:52

○A188.114.96.02026-06-18 → 2026-07-29 · 6 obs

○ 2026-06-01 01:31:54
● 2026-06-18 08:43:40
○ 2026-07-08 19:38:10
● 2026-07-29 13:14:48
○ 2026-08-11 15:30:50
○ 2026-08-11 15:30:52

○A188.114.97.02026-06-18 → 2026-07-29 · 6 obs

○ 2026-06-01 01:31:54
● 2026-06-18 08:43:40
○ 2026-07-08 19:38:10
● 2026-07-29 13:14:48
○ 2026-08-11 15:30:50
○ 2026-08-11 15:30:52

○A2606:4700:3030::6815:50562026-04-24 → 2026-07-08 · 6 obs

● 2026-04-24 21:07:36
● 2026-06-01 01:31:54
○ 2026-06-18 08:43:40
● 2026-07-08 19:38:10
○ 2026-07-19 15:28:44
○ 2026-08-11 15:30:52

○A2606:4700:3031::ac43:b0592026-04-24 → 2026-07-08 · 6 obs

● 2026-04-24 21:07:36
● 2026-06-01 01:31:54
○ 2026-06-18 08:43:40
● 2026-07-08 19:38:10
○ 2026-07-19 15:28:44
○ 2026-08-11 15:30:52

●A2606:4700:3033::ac43:b0592026-07-19 → 2026-08-11 · 5 obs

○ 2026-07-08 19:38:10
● 2026-07-19 15:28:44
○ 2026-07-29 13:14:48
● 2026-08-11 15:30:50
● 2026-08-11 15:30:52

●A2606:4700:3034::6815:50562026-07-19 → 2026-08-11 · 5 obs

○ 2026-07-08 19:38:10
● 2026-07-19 15:28:44
○ 2026-07-29 13:14:48
● 2026-08-11 15:30:50
● 2026-08-11 15:30:52

○A2a06:98c1:3120::2026-06-18 → 2026-07-29 · 6 obs

○ 2026-06-01 01:31:54
● 2026-06-18 08:43:40
○ 2026-07-08 19:38:10
● 2026-07-29 13:14:48
○ 2026-08-11 15:30:50
○ 2026-08-11 15:30:52

○A2a06:98c1:3121::2026-06-18 → 2026-07-29 · 6 obs

○ 2026-06-01 01:31:54
● 2026-06-18 08:43:40
○ 2026-07-08 19:38:10
● 2026-07-29 13:14:48
○ 2026-08-11 15:30:50
○ 2026-08-11 15:30:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns10.trs-dns.info, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.org	-
openstone.tech	lara.ns.cloudflare.com, ian.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.118

NS records: lara.ns.cloudflare.com, ian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstone.tech (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.86, 172.67.176.89`
AAAA	2	`2606:4700:3033::ac43:b059, 2606:4700:3034::6815:5056`
NS	2	`ian.ns.cloudflare.com, lara.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=zM3W1x`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

openstone.tech directs to four IP numbers, which are 104.21.80.86, 172.67.176.89, 2606:4700:3033::ac43:b059 and 2606:4700:3034::6815:5056.

bulbankonline.com, www.musicbis.com, dc-a70fca56d692.(0x736578)vraagbaak.nl and two other host names share IP numbers with openstone.tech.

Name Servers

openstone.tech is delegated to two name servers: ian.ns.cloudflare.com and lara.ns.cloudflare.com.

openstone.tech uses the same name servers as several other domains — among them amxa.ru, animadversion.games, zulugrid.com and two more.

There is at least partial name server overlap between openstone.tech and other domains — ilhpp.org, ggfac.com, webcamtoy.com and two more among them.

It is common to find these name servers alongside the name servers lily.ns.cloudflare.com, meera.ns.cloudflare.com, stevie.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

ian.ns.cloudflare.com resolves to 108.162.193.118, 172.64.33.118, 173.245.59.118 and 3 other IP addresses.

lara.ns.cloudflare.com resolves to 108.162.192.128, 172.64.32.128, 173.245.58.128 and 3 other IP addresses.

Mail Servers

Incoming mail for openstone.tech is delivered via three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

openstone.tech has at least partial mail server overlap with other domains such as sduedu.cn, seamarksmt.com, shangqicapital.com and two more.

Hostnames that resolve to three IP addresses:

mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

mx1.feishu.cn points to 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn are host names that each point to 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 122.14.229.0 IP addresses.