studydocs.ru - robtex.com
studydocs.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:57a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:90ad🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.87.164Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.144.173🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | adel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a37🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c037🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2037🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 108.162.192.55🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 172.64.32.55🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| A | 173.245.58.55🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adel.ns.cloudflare.com | ||||||
| NS | noel.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 108.162.193.216🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 172.64.33.216🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 173.245.59.216🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.87.164, 172.67.144.173 | ||||||
| IPv6 hints | 2606:4700:3035::6815:57a4, 2606:4700:3035::ac43:90ad | ||||||
| SOA | adel.ns.cloudflare.comdns@cloudflare.com serial=2402440683 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068667 | ||||||
Same first word
studydocs.ru |
studydocs.at |
studydocs.com |
studydocs.de |
Similar names
DNS History
9 records (6 active, 3 former)
●NSadel.ns.cloudflare.com2026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
●NSnoel.ns.cloudflare.com2026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
○NSns1.reg.ru2019-12-25 → 2019-12-25 · 3 obs
○ 2026-04-03 09:24:04
○ 2026-04-27 13:39:32
○NSns2.reg.ru2019-12-25 → 2019-12-25 · 3 obs
○ 2026-04-03 09:24:04
○ 2026-04-27 13:39:32
●A104.21.87.1642026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
●A172.67.144.1732026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
●A2606:4700:3035::6815:57a42026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
●A2606:4700:3035::ac43:90ad2026-04-03 → 2026-04-27 · 3 obs
● 2026-04-03 09:24:04
● 2026-04-27 13:39:32
○A95.216.38.522019-12-25 → 2019-12-25 · 3 obs
○ 2026-04-03 09:24:04
○ 2026-04-27 13:39:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| studydocs.ru | adel.ns.cloudflare.com, noel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.55
NS records: adel.ns.cloudflare.com, noel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studydocs.ru (unsigned zone)
⏱️ Timing
Total: 960ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.87.164, 172.67.144.173 |
| AAAA | 2 | 2606:4700:3035::6815:57a4, 2606:4700:3035::ac43:90ad |
| NS | 2 | adel.ns.cloudflare.com, noel.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | adel.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
studydocs.ru points to four IP numbers: 2606:4700:3035::6815:57a4, 2606:4700:3035::ac43:90ad, 104.21.87.164 and 172.67.144.173.
Other host names, for instance mazia.net, www.dzya.com, chiker.net, igamingglobal.co.uk and huahao-law.com share IP numbers with studydocs.ru.
Name Servers
Delegation for studydocs.ru rests with two name servers, adel.ns.cloudflare.com and noel.ns.cloudflare.com.
studydocs.ru shares the same name server setup as other domains, including euro-disc.ru, is-a.pro, genking.co.zw, localcoffeeshops.org and 3device.ru.
studydocs.ru at least partially shares name servers with other domains, for instance generatorhire.com.au, coincasa.io, chicagorvresort.com, epic.leapevent.tech and thegeekgathering.org.
These name servers are commonly used with the name servers ingrid.ns.cloudflare.com.
Host names with six IP numbers: adel.ns.cloudflare.com points to: 2606:4700:50::adf5:3a37, 2803:f800:50::6ca2:c037, 2a06:98c1:50::ac40:2037, 108.162.192.55, 172.64.32.55 and 173.245.58.55. noel.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd8, 2803:f800:50::6ca2:c1d8, 2a06:98c1:50::ac40:21d8, 108.162.193.216, 172.64.33.216 and 173.245.59.216.