stack.build - dns.ninja

stack.build

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1157🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:af64🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.87Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.100🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfrank.ns.cloudflare.com
A2606:4700:58::adf5:3ba6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrank.ns.cloudflare.com
A2803:f800:50::6ca2:c1a6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfrank.ns.cloudflare.com
A2a06:98c1:50::ac40:21a6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfrank.ns.cloudflare.com
A108.162.193.166🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrank.ns.cloudflare.com
A172.64.33.166🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrank.ns.cloudflare.com
A173.245.59.166🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrank.ns.cloudflare.com
NSliz.ns.cloudflare.com
A2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliz.ns.cloudflare.com
A2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliz.ns.cloudflare.com
A108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A192.178.155.26🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4001:c21::1b🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f27.1e100.net
A142.251.127.26🇺🇸 Google142.251.127.0/24
PTRlcfrai-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:4025:4401::1a🇮🇪 Google2a00:1450:4025::/48
PTRyuskedq-in-f26.1e100.net
A172.253.148.27🇺🇸 Google172.253.0.0/16
PTRyuskedq-in-f27.1e100.net
TXTdnmT6MjQdVluEMuFOGsksed0G7sJL5gATNXxWYDll9g
TXTgoogle-site-verification=sg76fo-YZLhBmAubPhAb4qLpuotiMFwzWAZOEjSxTXM
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.87, 172.67.175.100
IPv6 hints2606:4700:3033::6815:1157, 2606:4700:3037::ac43:af64
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOAfrank.ns.cloudflare.comdns@cloudflare.com serial=2409982343

build

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net
NSa.nic.build
NSb.nic.build
NSc.nic.build
NSd.nic.build
SOAns0.centralnic.nethostmaster@centralnic.net serial=1784811794

Same first word

Similar names

DNS History

12 records (11 active, 1 former)

NSfrank.ns.cloudflare.comliz.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.17.87172.67.175.1002606:4700:3033::6815:11572606:4700:3037::ac43:af642606:4700:3032::ac43:af64
NSfrank.ns.cloudflare.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
NSliz.ns.cloudflare.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
MXalt1.aspmx.l.google.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
MXalt2.aspmx.l.google.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
MXalt3.aspmx.l.google.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
MXalt4.aspmx.l.google.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
MXaspmx.l.google.com2026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
A104.21.17.872026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
A172.67.175.1002026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
A2606:4700:3032::ac43:af642026-04-29 → 2026-06-05 · 3 obs
● 2026-04-29 05:12:30
● 2026-06-05 11:39:32
○ 2026-07-23 13:23:32
A2606:4700:3033::6815:11572026-04-29 → 2026-07-23 · 2 obs
● 2026-04-29 05:12:30
● 2026-07-23 13:23:32
A2606:4700:3037::ac43:af642026-07-23 → 2026-07-23 · 2 obs
○ 2026-06-05 11:39:32
● 2026-07-23 13:23:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
buildc.nic.build, b.nic.build, a.nic.build, d.nic.build8 records
stack.buildliz.ns.cloudflare.com, frank.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.189

NS records: liz.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack.build (unsigned zone)

⏱️ Timing

Total: 529ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.17.87, 172.67.175.100
AAAA22606:4700:3033::6815:1157, 2606:4700:3037::ac43:af64
NS2frank.ns.cloudflare.com, liz.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2dnmT6MjQdVluEMuFOGsksed0G7sJL5gATNXxWYDl, google-site-verification=sg76fo-YZLhBmAu
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1frank.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.build, c.nic.build, b.nic.build...)

Analysis

IP Addresses

stack.build points to the four IP addresses 104.21.17.87, 172.67.175.100, 2606:4700:3033::6815:1157 and 2606:4700:3037::ac43:af64.

Additional host names — baokuanjiaonensenchoubo.bond, cdl.space, 0781279.com.cdn.cloudflare.net and two others — share IP numbers with stack.build.

Name Servers

Two name servers handle the delegation for stack.build: frank.ns.cloudflare.com and liz.ns.cloudflare.com.

stack.build shares its name server setup with other domains, including cachnhietachau.com, approve.tel, zlcreations.com and two others.

At least some of stack.build's name servers are shared with other domains, for example 872944.com, micr.io, kasyno-slottica.pl and two more.

These name servers tend to be deployed in combination with the name servers sri.ns.cloudflare.com and beth.ns.cloudflare.com.

Host names with 6 IP numbers:

frank.ns.cloudflare.com resolves to 108.162.193.166, 172.64.33.166 and 173.245.59.166 among others, with 3 other IP addresses in total.

liz.ns.cloudflare.com resolves to 108.162.192.189, 172.64.32.189 and 173.245.58.189 among others, with 3 other IP addresses in total.

Mail Servers

stack.build has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

stack.build shares mail servers — at least in part — with other domains, including eunoenem.com.br, stfsedie.it, hocvienai.edu.vn and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 192.178.155.26 and 2607:f8b0:4004:c1d::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 142.251.127.26 and 2a00:1450:4001:c21::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.148.27 and 2a00:1450:4025:4401::1a.