stacktech.org - dns.ninja

stacktech.org

DNSSEC⚠️ Not signed
A2606:4700::6812:143dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700::6812:153dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.18.20.61Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.18.21.61Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSlennox.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd6πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A2803:f800:50::6ca2:c3d6πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlennox.ns.cloudflare.com
A2a06:98c1:50::ac40:23d6πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRlennox.ns.cloudflare.com
A108.162.195.214πŸ‡ΊπŸ‡Έ 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
A172.64.35.214πŸ‡ΊπŸ‡Έ 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:2647πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
A2803:f800:50::6ca2:c247πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRollie.ns.cloudflare.com
A2a06:98c1:50::ac40:2247πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRollie.ns.cloudflare.com
A108.162.194.71πŸ‡ΊπŸ‡Έ 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
A172.64.34.71πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRollie.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223πŸ‡¨πŸ‡³ 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,
A122.14.230.154πŸ‡¨πŸ‡³ 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 βœ“ 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=2406145276

org

DNSSECπŸ”’ 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=1780680941
πŸ“ˆ Tranco rank: #172,129

Subdomains

Same first word

Similar names

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 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●NSollie.ns.cloudflare.com2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●MXmx1.larksuite.com2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●MXmx2.larksuite.com2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●MXmx3.larksuite.com2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●A104.18.20.612026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●A104.18.21.612026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●A2606:4700::6812:143d2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34
●A2606:4700::6812:153d2026-02-19 β†’ 2026-06-05 Β· 2 obs
● 2026-02-19 08:04:42
● 2026-06-05 18:10:34

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
stacktech.orgollie.ns.cloudflare.com, lennox.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.71

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacktech.org (unsigned zone)

⏱️ Timing

Total: 680ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.18.21.61, 104.18.20.61
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

stacktech.org is the parent domain of api.stacktech.org and realtime.stacktech.org.

IP Addresses

stacktech.org resolves to 4 IP numbers: 104.18.20.61, 104.18.21.61, 2606:4700::6812:143d and 2606:4700::6812:153d.

Additional host names β€” admin.starrivers.xyz, dns.yktvb.com, www.orobie.it and two others β€” share IP numbers with stacktech.org.

Name Servers

stacktech.org is delegated to two name servers: lennox.ns.cloudflare.com and ollie.ns.cloudflare.com.

stacktech.org shares its name server setup with other domains, including 3354797.com, 1890095.com, unertan.com and two others.

The name servers of stacktech.org overlap at least partially with those of other domains β€” 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.

Host names with 6 IP numbers:

lennox.ns.cloudflare.com resolves to 108.162.195.214, 162.159.44.214 and 172.64.35.214, along with three other IP addresses.

ollie.ns.cloudflare.com resolves to 108.162.194.71, 162.159.38.71 and 172.64.34.71, along with three other IP addresses.

Mail Servers

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

stacktech.org shares mail servers β€” at least in part β€” with other domains, including amarah.ca, tatagarden.vn, care.mn and two others.

Host names with three IP numbers:

mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names with one IP number:

mx1.larksuite.com points to 18.139.153.173.

mx2.larksuite.com points to 18.139.153.173.

mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com are host names that all point to 18.139.153.173.