downstudocu.com - dns.ninja

downstudocu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:de7🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8569🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.231Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.105🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchristina.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26c1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A2803:f800:50::6ca2:c2c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchristina.ns.cloudflare.com
A2a06:98c1:50::ac40:22c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchristina.ns.cloudflare.com
A108.162.194.193🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A162.159.38.193Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A172.64.34.193🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
NSnolan.ns.cloudflare.com
A2606:4700:58::a29f:2c38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A2803:f800:50::6ca2:c338🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnolan.ns.cloudflare.com
A2a06:98c1:50::ac40:2338🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnolan.ns.cloudflare.com
A108.162.195.56🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A162.159.44.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A172.64.35.56🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.231, 172.67.133.105
IPv6 hints2606:4700:3031::6815:de7, 2606:4700:3035::ac43:8569
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOAchristina.ns.cloudflare.comdns@cloudflare.com serial=2408203151

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783306626
📈 Tranco rank: #775,501

Subdomains

www.downstudocu.com

Same first word

downstudocu.com

DNS History

11 records (6 active, 5 former)

NSchristina.ns.cloudflare.comnolan.ns.cloudflare.comA104.21.13.231172.67.133.1052606:4700:3031::6815:de72606:4700:3035::ac43:8569188.114.96.0188.114.97.02606:4700:3035::6815:de72a06:98c1:3120::2a06:98c1:3121::
●NSchristina.ns.cloudflare.com2026-02-22 → 2026-07-06 · 2 obs
● 2026-02-22 05:00:28
● 2026-07-06 02:57:26
●NSnolan.ns.cloudflare.com2026-02-22 → 2026-07-06 · 2 obs
● 2026-02-22 05:00:28
● 2026-07-06 02:57:26
●A104.21.13.2312026-02-22 → 2026-07-06 · 11 obs
● 2026-02-22 05:00:28
○ 2026-03-09 09:17:40
● 2026-04-08 23:12:12
● 2026-04-17 08:33:56
○ 2026-04-27 11:47:18
○ 2026-04-29 13:30:06
● 2026-06-01 09:19:12
● 2026-06-09 15:43:52
○ 2026-06-16 00:37:14
● 2026-07-06 02:57:24
● 2026-07-06 02:57:26
●A172.67.133.1052026-02-22 → 2026-07-06 · 11 obs
● 2026-02-22 05:00:28
○ 2026-03-09 09:17:40
● 2026-04-08 23:12:12
● 2026-04-17 08:33:56
○ 2026-04-27 11:47:18
○ 2026-04-29 13:30:06
● 2026-06-01 09:19:12
● 2026-06-09 15:43:52
○ 2026-06-16 00:37:14
● 2026-07-06 02:57:24
● 2026-07-06 02:57:26
○A188.114.96.02026-03-09 → 2026-06-16 · 11 obs
○ 2026-02-22 05:00:28
● 2026-03-09 09:17:40
○ 2026-04-08 23:12:12
○ 2026-04-17 08:33:56
● 2026-04-27 11:47:18
● 2026-04-29 13:30:06
○ 2026-06-01 09:19:12
○ 2026-06-09 15:43:52
● 2026-06-16 00:37:14
○ 2026-07-06 02:57:24
○ 2026-07-06 02:57:26
○A188.114.97.02026-03-09 → 2026-06-16 · 11 obs
○ 2026-02-22 05:00:28
● 2026-03-09 09:17:40
○ 2026-04-08 23:12:12
○ 2026-04-17 08:33:56
● 2026-04-27 11:47:18
● 2026-04-29 13:30:06
○ 2026-06-01 09:19:12
○ 2026-06-09 15:43:52
● 2026-06-16 00:37:14
○ 2026-07-06 02:57:24
○ 2026-07-06 02:57:26
●A2606:4700:3031::6815:de72026-07-06 → 2026-07-06 · 3 obs
○ 2026-06-16 00:37:14
● 2026-07-06 02:57:24
● 2026-07-06 02:57:26
○A2606:4700:3035::6815:de72026-02-22 → 2026-06-09 · 10 obs
● 2026-02-22 05:00:28
○ 2026-03-09 09:17:40
● 2026-04-08 23:12:12
● 2026-04-17 08:33:56
○ 2026-04-27 11:47:18
○ 2026-04-29 13:30:06
● 2026-06-01 09:19:12
● 2026-06-09 15:43:52
○ 2026-06-16 00:37:14
○ 2026-07-06 02:57:26
●A2606:4700:3035::ac43:85692026-02-22 → 2026-07-06 · 11 obs
● 2026-02-22 05:00:28
○ 2026-03-09 09:17:40
● 2026-04-08 23:12:12
● 2026-04-17 08:33:56
○ 2026-04-27 11:47:18
○ 2026-04-29 13:30:06
● 2026-06-01 09:19:12
● 2026-06-09 15:43:52
○ 2026-06-16 00:37:14
● 2026-07-06 02:57:24
● 2026-07-06 02:57:26
○A2a06:98c1:3120::2026-03-09 → 2026-06-16 · 11 obs
○ 2026-02-22 05:00:28
● 2026-03-09 09:17:40
○ 2026-04-08 23:12:12
○ 2026-04-17 08:33:56
● 2026-04-27 11:47:18
● 2026-04-29 13:30:06
○ 2026-06-01 09:19:12
○ 2026-06-09 15:43:52
● 2026-06-16 00:37:14
○ 2026-07-06 02:57:24
○ 2026-07-06 02:57:26
○A2a06:98c1:3121::2026-03-09 → 2026-06-16 · 11 obs
○ 2026-02-22 05:00:28
● 2026-03-09 09:17:40
○ 2026-04-08 23:12:12
○ 2026-04-17 08:33:56
● 2026-04-27 11:47:18
● 2026-04-29 13:30:06
○ 2026-06-01 09:19:12
○ 2026-06-09 15:43:52
● 2026-06-16 00:37:14
○ 2026-07-06 02:57:24
○ 2026-07-06 02:57:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...-
downstudocu.comchristina.ns.cloudflare.com, nolan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.56

NS records: christina.ns.cloudflare.com, nolan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for downstudocu.com (unsigned zone)

⏱️ Timing

Total: 1548ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.105, 104.21.13.231
AAAA22606:4700:3035::ac43:8569, 2606:4700:3031::6815:de7
NS2christina.ns.cloudflare.com, nolan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1christina.ns.cloudflare.com dns.cloudfla

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.downstudocu.com is delegated beneath downstudocu.com.

IP Addresses

downstudocu.com directs to four IP numbers, which are 104.21.13.231, 172.67.133.105, 2606:4700:3031::6815:de7 and 2606:4700:3035::ac43:8569.

Two other host names, along with extra-hosting.ro, onsen.co.uk and ixtanbul.com, also share IP numbers with downstudocu.com.

Name Servers

DNS delegation for downstudocu.com points to two name servers: christina.ns.cloudflare.com and nolan.ns.cloudflare.com.

downstudocu.com shares its NS records with other domains, for example visicom.net, ovoint.com, heywatcher.com and two others.

There is at least partial name server overlap between downstudocu.com and other domains — vuonggiavinhdieu.net, gonadsgu.space, ru-ijk.com and two more among them.

These name servers are routinely deployed together with the name servers deb.ns.cloudflare.com.

DNS names with 6 IP addresses:

christina.ns.cloudflare.com has IP addresses 108.162.194.193, 162.159.38.193 and 172.64.34.193, plus 3 other.

nolan.ns.cloudflare.com has IP addresses 108.162.195.56, 162.159.44.56 and 172.64.35.56, plus 3 other.