openstone.tech - robtex.com
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 | 104.21.80.86Cloudflare104.21.80.0/20 , 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=45, name=cloudflare-ech.com | ||||||
| SOA | ian.ns.cloudflare.comdns@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.comtrs-ops@tucows.com serial=1787327342 | ||||||
Same first word
openstone.tech |
openstone.dk |
openstone.cn |
Similar names
opentones.com |
onestopne.com |
posnetneo.pl |
opennotes.ru |
opennotes.us |
opennotes.org |
seenontop.com |
neonetops.com |
onenetpos.com |
Previous names
Next names
DNS History
15 records (9 active, 6 former)
●NSian.ns.cloudflare.com2026-04-24 → 2026-08-21 · 2 obs
● 2026-08-21 16:05:28
●NSlara.ns.cloudflare.com2026-04-24 → 2026-08-21 · 2 obs
● 2026-08-21 16:05:28
●A104.21.80.862026-04-24 → 2026-08-21 · 9 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
●A172.67.176.892026-04-24 → 2026-08-21 · 9 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
○A188.114.96.02026-06-18 → 2026-08-18 · 8 obs
● 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
● 2026-06-18 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
● 2026-06-01 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
● 2026-06-01 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
● 2026-07-19 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
● 2026-07-19 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
● 2026-06-18 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
● 2026-06-18 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
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| openstone.tech | ian.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
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.80.86, 172.67.176.89 |
| AAAA | 2 | 2606:4700:3034::6815:5056, 2606:4700:3033::ac43:b059 |
| 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 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.