stackchallenge.com - dns.ninja
stackchallenge.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3032::6815:5efaπΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8e28πΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.94.250Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.142.40πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | aspen.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:266dπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26dπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226dπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| A | 108.162.194.109πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| A | 162.159.38.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| A | 172.64.34.109πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aspen.ns.cloudflare.com | ||||||
| NS | gordon.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3baaπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1aaπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21aaπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 108.162.193.170πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 172.64.33.170πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 173.245.59.170πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.94.250, 172.67.142.40 | ||||||
| IPv6 hints | 2606:4700:3032::6815:5efa, 2606:4700:3037::ac43:8e28 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com | ||||||
| SOA | aspen.ns.cloudflare.comdns@cloudflare.com serial=2413018266 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1788077420 | ||||||
Previously MX for
stackchallenge.com |
Same first word
stackchallenge.com |
Previous names
Next names
DNS History
10 records (6 active, 4 former)
βNSaspen.ns.cloudflare.com2026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βNSgordon.ns.cloudflare.com2026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βNSns5.vnoc.com2017-11-08 β 2017-11-08 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βNSns6.vnoc.com2017-11-08 β 2017-11-08 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βMXstackchallenge.com2017-11-08 β 2017-11-08 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βA104.21.94.2502026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βA172.67.142.402026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βA2606:4700:3032::6815:5efa2026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βA2606:4700:3037::ac43:8e282026-08-19 β 2026-08-30 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
βA69.64.90.1802017-11-08 β 2017-11-08 Β· 3 obs
β 2026-08-19 00:07:20
β 2026-08-30 08:35:40
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net... | - |
| stackchallenge.com | gordon.ns.cloudflare.com, aspen.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.193.170
NS records: gordon.ns.cloudflare.com, aspen.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for stackchallenge.com (unsigned zone)
β±οΈ Timing
Total: 320ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.94.250, 172.67.142.40 |
| AAAA | 2 | 2606:4700:3037::ac43:8e28, 2606:4700:3032::6815:5efa |
| NS | 2 | aspen.ns.cloudflare.com, gordon.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aspen.ns.cloudflare.com dns.cloudflare.c |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gordon.ns.cloudflare.com, gordon.ns.cloudflare.com, gordon.ns.cloudflare.com...)
Analysis
IP Addresses
stackchallenge.com points to the four IP addresses 104.21.94.250, 172.67.142.40, 2606:4700:3032::6815:5efa and 2606:4700:3037::ac43:8e28.
Among the host names that share IP numbers with stackchallenge.com are lesmetsdames.com, ipodznmore.com, cameronsamuels.com and two others.
Name Servers
stackchallenge.com has two authoritative name servers β aspen.ns.cloudflare.com and gordon.ns.cloudflare.com.
stackchallenge.com has the same name server delegation as a number of other domains, such as interchallenges.com, accessproviders.com, grooveweb.com and two more.
There is at least partial name server overlap between stackchallenge.com and other domains β cuentaconmigopro.com, kraynijj.workers.dev, ascensionwebtech.com and two more among them.
These name servers frequently co-occur with the name servers beau.ns.cloudflare.com and nash.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
aspen.ns.cloudflare.com points to 108.162.194.109, 162.159.38.109, 172.64.34.109 and 3 other IP addresses.
gordon.ns.cloudflare.com points to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 other IP addresses.