openstone.tech - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

openstone.tech

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:b059🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5056🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.80.86Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.89🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSian.ns.cloudflare.com
A2606:4700:58::adf5:3b76🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A2803:f800:50::6ca2:c176🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRian.ns.cloudflare.com
A2a06:98c1:50::ac40:2176🇺🇸 Cloudflare2a06:98c1:50::/45
PTRian.ns.cloudflare.com
A108.162.193.118🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A172.64.33.118🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
A173.245.59.118🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRian.ns.cloudflare.com
NSlara.ns.cloudflare.com
A2606:4700:50::adf5:3a80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A2803:f800:50::6ca2:c080🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlara.ns.cloudflare.com
A2a06:98c1:50::ac40:2080🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlara.ns.cloudflare.com
A108.162.192.128🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A172.64.32.128🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A173.245.58.128🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
MXmx1.feishu.cn
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225🇨🇳 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,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225🇨🇳 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,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
TXTverification-code-site-App_feishu=zM3W1xyOFwRN0fg9hhYg
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.80.86, 172.67.176.89
IPv6 hints2606:4700:3033::ac43:b059, 2606:4700:3034::6815:5056
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOAian.ns.cloudflare.comdns@cloudflare.com serial=2411751025

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1787327342

Same first word

Similar names

Previous names

Next names

DNS History

15 records (9 active, 6 former)

NSian.ns.cloudflare.comlara.ns.cloudflare.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA104.21.80.86172.67.176.892606:4700:3033::ac43:b0592606:4700:3034::6815:5056188.114.96.0188.114.97.02606:4700:3030::6815:50562606:4700:3031::ac43:b0592a06:98c1:3120::2a06:98c1:3121::
NSian.ns.cloudflare.com2026-04-24 → 2026-08-21 · 2 obs
● 2026-04-24 21:07:36
● 2026-08-21 16:05:28
NSlara.ns.cloudflare.com2026-04-24 → 2026-08-21 · 2 obs
● 2026-04-24 21:07:36
● 2026-08-21 16:05:28
MXmx1.feishu.cn2026-04-24 → 2026-08-21 · 2 obs
● 2026-04-24 21:07:36
● 2026-08-21 16:05:28
MXmx2.feishu.cn2026-04-24 → 2026-08-21 · 2 obs
● 2026-04-24 21:07:36
● 2026-08-21 16:05:28
MXmx3.feishu.cn2026-04-24 → 2026-08-21 · 2 obs
● 2026-04-24 21:07:36
● 2026-08-21 16:05:28
A104.21.80.862026-04-24 → 2026-08-21 · 9 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
○ 2026-08-18 14:12:08
● 2026-08-18 20:05:56
● 2026-08-21 16:05:28
A172.67.176.892026-04-24 → 2026-08-21 · 9 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
○ 2026-08-18 14:12:08
● 2026-08-18 20:05:56
● 2026-08-21 16:05:28
A188.114.96.02026-06-18 → 2026-08-18 · 8 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
● 2026-08-18 14:12:08
○ 2026-08-18 20:05:56
○ 2026-08-21 16:05:28
A188.114.97.02026-06-18 → 2026-08-18 · 8 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
● 2026-08-18 14:12:08
○ 2026-08-18 20:05:56
○ 2026-08-21 16:05:28
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
○ 2026-08-21 16:05:28
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
○ 2026-08-21 16:05:28
A2606:4700:3033::ac43:b0592026-07-19 → 2026-08-21 · 7 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
○ 2026-08-18 14:12:08
● 2026-08-18 20:05:56
● 2026-08-21 16:05:28
A2606:4700:3034::6815:50562026-07-19 → 2026-08-21 · 7 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
○ 2026-08-18 14:12:08
● 2026-08-18 20:05:56
● 2026-08-21 16:05:28
A2a06:98c1:3120::2026-06-18 → 2026-08-18 · 8 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
● 2026-08-18 14:12:08
○ 2026-08-18 20:05:56
○ 2026-08-21 16:05:28
A2a06:98c1:3121::2026-06-18 → 2026-08-18 · 8 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
● 2026-08-18 14:12:08
○ 2026-08-18 20:05:56
○ 2026-08-21 16:05:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
openstone.techian.ns.cloudflare.com, lara.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.118

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstone.tech (unsigned zone)

⏱️ Timing

Total: 624ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.80.86, 172.67.176.89
AAAA22606:4700:3034::6815:5056, 2606:4700:3033::ac43:b059
NS2ian.ns.cloudflare.com, lara.ns.cloudflare.com
MX3mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...
TXT2v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=zM3W1x
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ian.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

openstone.tech resolves to four IP addresses: 104.21.80.86, 172.67.176.89, 2606:4700:3033::ac43:b059 and 2606:4700:3034::6815:5056.

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

Name Servers

openstone.tech uses two name servers for its delegation: ian.ns.cloudflare.com and lara.ns.cloudflare.com.

openstone.tech shares its name server setup with other domains, including taabingafamilypractice.com.au, amxa.ru, agtraining.com.au and two others.

openstone.tech shares at least some of its name servers with other domains, including ilhpp.org, ggfac.com, webcamtoy.com and two others.

These name servers are frequently paired with the name servers meera.ns.cloudflare.com, lily.ns.cloudflare.com and stevie.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname ian.ns.cloudflare.com directs to 108.162.193.118, 172.64.33.118 and 173.245.59.118 along with 3 other IP addresses.

Hostname lara.ns.cloudflare.com directs to 108.162.192.128, 172.64.32.128 and 173.245.58.128 along with 3 other IP addresses.

Mail Servers

openstone.tech is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

openstone.tech shares mail servers — at least in part — with other domains, including memobase.io, heryin.net, sduedu.cn and two others.

Host names with three IP numbers:

The hostname mx3.feishu.cn directs to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers:

mx2.feishu.cn directs traffic to 101.126.58.225 and 122.14.229.0.

Host names pointing to a single IP address:

mx1.feishu.cn has the IP address 52.220.106.220.

Both mx3.feishu.cn and mx1.feishu.cn resolve to 52.220.106.220 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 101.126.58.225 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 122.14.229.0 IP addresses each.