www.nextstack.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

www.nextstack.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9323🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3f99🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.153Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.35🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.153, 172.67.147.35
IPv6 hints2606:4700:3031::ac43:9323, 2606:4700:3035::6815:3f99
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com

nextstack.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9323🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3f99🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.153Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.35🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkarsyn.ns.cloudflare.com ⭐
NSvin.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
TXTgoogle-site-verification=GUhzkxt_3ArKkR6Rw4qImlNrQ57jYrSLxssy8tmuraA
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.153, 172.67.147.35
IPv6 hints2606:4700:3031::ac43:9323, 2606:4700:3035::6815:3f99
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOAkarsyn.ns.cloudflare.comdns@cloudflare.com serial=2415164497

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DNS History

6 records (4 active, 2 former)

202120222023202420252026A104.21.63.153172.67.147.352606:4700:3031::ac43:93232606:4700:3035::6815:3f99151.101.1.195151.101.65.195
●A104.21.63.1532026-09-19 → 2026-09-22 · 3 obs
○ 2020-02-28 04:52:08
● 2026-09-19 11:05:06
● 2026-09-22 17:17:38
○A151.101.1.1952020-02-28 → 2020-02-28 · 3 obs
● 2020-02-28 04:52:08
○ 2026-09-19 11:05:06
○ 2026-09-22 17:17:38
○A151.101.65.1952020-02-28 → 2020-02-28 · 3 obs
● 2020-02-28 04:52:08
○ 2026-09-19 11:05:06
○ 2026-09-22 17:17:38
●A172.67.147.352026-09-19 → 2026-09-22 · 3 obs
○ 2020-02-28 04:52:08
● 2026-09-19 11:05:06
● 2026-09-22 17:17:38
●A2606:4700:3031::ac43:93232026-09-19 → 2026-09-22 · 3 obs
○ 2020-02-28 04:52:08
● 2026-09-19 11:05:06
● 2026-09-22 17:17:38
●A2606:4700:3035::6815:3f992026-09-19 → 2026-09-22 · 3 obs
○ 2020-02-28 04:52:08
● 2026-09-19 11:05:06
● 2026-09-22 17:17:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
nextstack.devvin.ns.cloudflare.com, karsyn.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.194

NS records: vin.ns.cloudflare.com, karsyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nextstack.dev (unsigned zone)

⏱️ Timing

Total: 753ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.147.35, 104.21.63.153
AAAA22606:4700:3031::ac43:9323, 2606:4700:3035::6815:3f99
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.nextstack.dev has four IP addresses: 104.21.63.153, 172.67.147.35, 2606:4700:3031::ac43:9323 and 2606:4700:3035::6815:3f99.

Among the host names that share IP numbers with www.nextstack.dev are hardfunfullzoneplay.one, brumata-us.com, wulingsurabayagroup.id and two others.