stacktech.org - robtex.com

stacktech.org

DNSSEC⚠️ Not signed
A2606:4700::6812:143d🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:153d🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.20.61Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.21.61Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlennox.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A2803:f800:50::6ca2:c3d6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlennox.ns.cloudflare.com
A2a06:98c1:50::ac40:23d6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlennox.ns.cloudflare.com
A108.162.195.214🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A162.159.44.214Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A172.64.35.214🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
NSollie.ns.cloudflare.com
A2606:4700:50::a29f:2647🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
A2803:f800:50::6ca2:c247🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRollie.ns.cloudflare.com
A2a06:98c1:50::ac40:2247🇺🇸 Cloudflare2a06:98c1:50::/45
PTRollie.ns.cloudflare.com
A108.162.194.71🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
A162.159.38.71Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
A172.64.34.71🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223🇨🇳 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,
A122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTMS=ms19758855
TXTcloudflare_dashboard_sso=0a9772263b689ee0724b72d260c76c26
TXTmongodb-site-verification=bSW9D10a7XOXfPvKIXj2HBrdpEPoEco3
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=T8wLaI5u35WrtOUZjTUq
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.20.61, 104.18.21.61
IPv6 hints2606:4700::6812:143d, 2606:4700::6812:153d
SOAlennox.ns.cloudflare.comdns@cloudflare.com serial=2408796500

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783791977
📈 Tranco rank: #170,892

Subdomains

api.stacktech.org
realtime.stacktech.org

Same first word

stacktech.org
stacktech.io
stacktech.com
stacktech.ru

Similar names

techstack.guru
catsketch.com
techstack.xyz
techstack.pro
techstack.nl
techstack.services
techstack.se
techstack.wiki
techstack.com
checkstat.us
techstack.co
techstack.io.vn
techstack.ie
techstack.in
techstack.de
techstack.my.id
checkstat.me
techstack.net
checkstat.net
tatscheck.de
checkstat.nl
techstack.cn
statcheck.com
techstack.me
statcheck.info
statcheck.net
checkstat.com
techstack.info
statcheck.cn

DNS History

9 records (9 active, 0 former)

NSlennox.ns.cloudflare.comollie.ns.cloudflare.comMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA104.18.20.61104.18.21.612606:4700::6812:143d2606:4700::6812:153d
●NSlennox.ns.cloudflare.com2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●NSollie.ns.cloudflare.com2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●MXmx1.larksuite.com2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●MXmx2.larksuite.com2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●MXmx3.larksuite.com2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●A104.18.20.612026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●A104.18.21.612026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●A2606:4700::6812:143d2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16
●A2606:4700::6812:153d2026-02-19 → 2026-07-11 · 2 obs
● 2026-02-19 08:04:42
● 2026-07-11 18:22:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
stacktech.orglennox.ns.cloudflare.com, ollie.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.71

NS records: lennox.ns.cloudflare.com, ollie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacktech.org (unsigned zone)

⏱️ Timing

Total: 3128ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.20.61, 104.18.21.61
AAAA22606:4700::6812:153d, 2606:4700::6812:143d
NS2lennox.ns.cloudflare.com, ollie.ns.cloudflare.com
MX3mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...
TXT5MS=ms19758855, cloudflare_dashboard_sso=0a9772263b689ee...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1lennox.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

api.stacktech.org and realtime.stacktech.org are both subdomains of stacktech.org.

IP Addresses

stacktech.org points to the four IP addresses 104.18.20.61, 104.18.21.61, 2606:4700::6812:143d and 2606:4700::6812:153d.

admin.starrivers.xyz, dns.yktvb.com, www.orobie.it and two other host names share IP numbers with stacktech.org.

Name Servers

DNS delegation for stacktech.org points to two name servers: lennox.ns.cloudflare.com and ollie.ns.cloudflare.com.

stacktech.org uses the same name servers as several other domains — among them 3354797.com, 1890095.com, unertan.com and two more.

The name servers of stacktech.org overlap at least partially with those of other domains — among them theweddingvillage.co.uk, gamersframe.com, betonredit2.com and two more.

These name servers commonly appear alongside the name servers toby.ns.cloudflare.com and athena.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

lennox.ns.cloudflare.com has IP addresses 108.162.195.214, 162.159.44.214 and 172.64.35.214, plus 3 other.

ollie.ns.cloudflare.com has IP addresses 108.162.194.71, 162.159.38.71 and 172.64.34.71, plus 3 other.

Mail Servers

Mail for stacktech.org is routed through three mail servers — mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

stacktech.org has at least partial mail server overlap with other domains such as amarah.ca, tatagarden.vn, care.mn and two more.

Hostnames that resolve to three IP addresses:

mx3.larksuite.com has IP addresses 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Hosts with just one IP address:

mx1.larksuite.com directs to 18.139.153.173.

mx2.larksuite.com directs to 18.139.153.173.

The host names mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com each resolve to 18.139.153.173.