problemstack.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

problemstack.app

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b692🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2853🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.83Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.146🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShank.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b74🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A2803:f800:50::6ca2:c174🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhank.ns.cloudflare.com
A2a06:98c1:50::ac40:2174🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhank.ns.cloudflare.com
A108.162.193.116🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A172.64.33.116🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A173.245.59.116🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
NSmeg.ns.cloudflare.com
A2606:4700:50::adf5:3ac4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeg.ns.cloudflare.com
A2803:f800:50::6ca2:c0c4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmeg.ns.cloudflare.com
A2a06:98c1:50::ac40:20c4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmeg.ns.cloudflare.com
A108.162.192.196🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeg.ns.cloudflare.com
A172.64.32.196🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeg.ns.cloudflare.com
A173.245.58.196🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeg.ns.cloudflare.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.83, 172.67.182.146
IPv6 hints2606:4700:3030::ac43:b692, 2606:4700:3037::6815:2853
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=88, name=cloudflare-ech.com
SOAhank.ns.cloudflare.comdns@cloudflare.com serial=2417811090

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
🔒 HSTS Preload (+subdomains)

Same first word

problemstack.xyz
problemstack.app
problemstack.com
problemstack.info

Similar names

skrcomptable.com
tamperblocks.duckdns.org

Previous names

problee.app
problem-solved.app
problem.app
problema.app
problematlas.app
problemattic.app
problembase.app
problembo.app
probleme.app
problemita.app
problemizer.app
problemki.app
problemmonster.app
problemo.app
problempulse.app
problempurge.app
problems.app
problemsolve.app
problemsolvers.app
problemsolving.app

Next names

problemsum.app
probli.app
problock.app
problocks.app
problu.app
problution.app
problyfine.app
probnb.app
probnk.app
probnothing.app
probo-download.app
proboapp.app
probodywork.app
proboiberia.app
probokep.app
probon.app
probono.app
probook.app
probooked.app
probooking.app

DNS History

11 records (11 active, 0 former)

NShank.ns.cloudflare.commeg.ns.cloudflare.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA104.21.40.83172.67.182.1462606:4700:3030::ac43:b6922606:4700:3037::6815:2853
●NShank.ns.cloudflare.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●NSmeg.ns.cloudflare.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●MXeforward1.registrar-servers.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●MXeforward2.registrar-servers.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●MXeforward3.registrar-servers.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●MXeforward4.registrar-servers.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●MXeforward5.registrar-servers.com2026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●A104.21.40.832026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●A172.67.182.1462026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●A2606:4700:3030::ac43:b6922026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58
●A2606:4700:3037::6815:28532026-10-10 → 2026-10-21 · 2 obs
● 2026-10-10 04:20:26
● 2026-10-21 16:43:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
problemstack.apphank.ns.cloudflare.com, meg.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.196

NS records: hank.ns.cloudflare.com, meg.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for problemstack.app (unsigned zone)

⏱️ Timing

Total: 2455ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.40.83, 172.67.182.146
AAAA22606:4700:3037::6815:2853, 2606:4700:3030::ac43:b692
NS2hank.ns.cloudflare.com, meg.ns.cloudflare.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hank.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

problemstack.app resolves to four IP addresses: 104.21.40.83, 172.67.182.146, 2606:4700:3030::ac43:b692 and 2606:4700:3037::6815:2853.

ff777gift.com, gulfcoastlinux.com, southerndrives.co.uk plus two other host names have IP numbers in common with problemstack.app.

Name Servers

DNS delegation for problemstack.app points to two name servers: hank.ns.cloudflare.com and meg.ns.cloudflare.com.

The name server configuration of problemstack.app is shared with other domains, for instance thibanglaixea1.vn, mastergacor-20k.pages.dev, ledak-sukses.pages.dev and two others.

problemstack.app shares at least some of its name servers with other domains, including voxkaraokebar.co.uk, beststudentessays.org, bhtdownloads.net and two others.

These name servers are frequently paired with the name servers noel.ns.cloudflare.com and mckenzie.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hank.ns.cloudflare.com has IP addresses 108.162.193.116, 172.64.33.116 and 173.245.59.116, plus 3 other.

meg.ns.cloudflare.com has IP addresses 108.162.192.196, 172.64.32.196 and 173.245.58.196, plus 3 other.

Mail Servers

problemstack.app is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

At least some of the mail servers used by problemstack.app are shared with other domains: excessbay.com, weebsrus.store, vnu4.click and two others among them.

These mail servers frequently appear alongside the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.

Host names resolving to a single IP address:

eforward1.registrar-servers.com directs to 162.255.118.51.

eforward2.registrar-servers.com directs to 162.255.118.52.

eforward3.registrar-servers.com directs to 162.255.118.51.

eforward4.registrar-servers.com directs to 162.255.118.52.

eforward5.registrar-servers.com directs to 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

Host names pointing to 162.255.118.52 IP addresses: eforward2.registrar-servers.com and eforward4.registrar-servers.com.