api.stacktech.org - robtex.com

api.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
HTTPSHTTP/2 ✓ hints match
IPv4104.18.20.61, 104.18.21.61
IPv62606:4700::6812:143d, 2606:4700::6812:153d

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 ⭐
NSollie.ns.cloudflare.com
MXmx1.larksuite.com ⭐
MXmx2.larksuite.com(5)
MXmx3.larksuite.com(10)
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
IPv4104.18.20.61, 104.18.21.61
IPv62606:4700::6812:143d, 2606:4700::6812:153d
SOAlennox.ns.cloudflare.comdns@cloudflare.com serial=2398972331
📈 Tranco rank: #138,393

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DNS History

4 records (4 active, 0 former)

A104.18.20.61104.18.21.612606:4700::6812:143d2606:4700::6812:153d
●A104.18.20.612026-02-25 → 2026-03-15 · 2 obs
● 2026-02-25 12:18:04
● 2026-03-15 18:14:34
●A104.18.21.612026-02-25 → 2026-03-15 · 2 obs
● 2026-02-25 12:18:04
● 2026-03-15 18:14:34
●A2606:4700::6812:143d2026-02-25 → 2026-03-15 · 2 obs
● 2026-02-25 12:18:04
● 2026-03-15 18:14:34
●A2606:4700::6812:153d2026-02-25 → 2026-03-15 · 2 obs
● 2026-02-25 12:18:04
● 2026-03-15 18:14:34

🔍 DNS Trace

📋 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-

✅ Authoritative Response

Server: 162.159.38.71

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacktech.org (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.21.61, 104.18.20.61
AAAA22606:4700::6812:143d, 2606:4700::6812:153d
HTTPS1{"priority":1,"target":".","alpn":["h2"]

Analysis

IP Addresses

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

Other host names, for instance stacktech.org, dns.yktvb.com, www.orobie.it, www.cjmore.co.th and orobie.it share IP numbers with api.stacktech.org.