www.techstack.com - dns.ninja

www.techstack.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b223🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:2b69🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.105Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.178.35🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.105, 172.67.178.35
IPv6 hints2606:4700:3030::ac43:b223, 2606:4700:3031::6815:2b69
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com

techstack.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b223🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:2b69🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.105Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.178.35🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
NSulla.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTv=spf1 include:_spf.google.com include:spf.leadconnectorhq.com include:mailgu...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.105, 172.67.178.35
IPv6 hints2606:4700:3030::ac43:b223, 2606:4700:3031::6815:2b69
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2405212174
WOT: SAFE (94/100)
WOT: SAFE (94/100)

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DNS History

6 records (4 active, 2 former)

202120222023202420252026A104.21.43.105172.67.178.352606:4700:3030::ac43:b2232606:4700:3031::6815:2b69CNAMEsites.ludicrous.cloudtechstack.com
●A104.21.43.1052026-04-24 → 2026-06-04 · 2 obs
● 2026-04-24 03:52:42
● 2026-06-04 10:01:30
●A172.67.178.352026-04-24 → 2026-06-04 · 2 obs
● 2026-04-24 03:52:42
● 2026-06-04 10:01:30
●A2606:4700:3030::ac43:b2232026-04-24 → 2026-06-04 · 2 obs
● 2026-04-24 03:52:42
● 2026-06-04 10:01:30
●A2606:4700:3031::6815:2b692026-04-24 → 2026-06-04 · 2 obs
● 2026-04-24 03:52:42
● 2026-06-04 10:01:30
○CNAMEsites.ludicrous.cloud2026-03-14 → 2026-03-14 · 4 obs
○ 2020-01-05 19:23:56
● 2026-03-14 01:07:58
○ 2026-04-24 03:52:42
○ 2026-06-04 10:01:30
○CNAMEtechstack.com2020-01-05 → 2020-01-05 · 3 obs
● 2020-01-05 19:23:56
○ 2026-03-14 01:07:58
○ 2026-06-04 10:01:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
techstack.comulla.ns.cloudflare.com, brett.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.76

NS records: ulla.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techstack.com (unsigned zone)

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.178.35, 104.21.43.105
AAAA22606:4700:3030::ac43:b223, 2606:4700:3031::6815:2b69
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ulla.ns.cloudflare.com, ulla.ns.cloudflare.com, ulla.ns.cloudflare.com...)

Analysis

IP Addresses

www.techstack.com points to 4 IP addresses — 104.21.43.105, 172.67.178.35, 2606:4700:3030::ac43:b223 and 2606:4700:3031::6815:2b69.

upscaleman.com, contextdrivenagility.com, dubovoy.news plus two other host names have IP numbers in common with www.techstack.com.