douluobook.com - robtex.com
douluobook.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 172.83.154.214🇺🇸 SPARTANHOST172.83.154.0/24 Spartan Host | ||||||
| PTR | esmt-154214.elabssixteenmart.com | ||||||
| NS | pns101.cloudns.net ⭐ | ||||||
| A | 2a06:fb00:1::1:99🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns101.cloudns.net | ||||||
| A | 185.136.96.99🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd | ||||||
| PTR | pns101.cloudns.net | ||||||
| NS | pns102.cloudns.net | ||||||
| A | 2a06:fb00:1::2:99🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns102.cloudns.net | ||||||
| A | 185.136.97.99CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | pns102.cloudns.net | ||||||
| NS | pns103.cloudns.net | ||||||
| A | 2a06:fb00:1::3:99🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns103.cloudns.net | ||||||
| A | 185.136.98.99🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd | ||||||
| PTR | pns103.cloudns.net | ||||||
| NS | pns104.cloudns.net | ||||||
| A | 2a06:fb00:1::4:99🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns104.cloudns.net | ||||||
| A | 185.136.99.99CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd | ||||||
| PTR | pns104.cloudns.net | ||||||
| SOA | pns101.cloudns.netsupport@cloudns.net 2026-03-21 #4 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| 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=1774807047 | ||||||
Same first word
douluobook.com |
DNS History
7 records (5 active, 2 former)
○NSjm1.dns.com2019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-08 23:30:46
○ 2026-03-29 18:24:30
●NSpns101.cloudns.net2026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 23:30:46
● 2026-03-29 18:24:30
●NSpns102.cloudns.net2026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 23:30:46
● 2026-03-29 18:24:30
●NSpns103.cloudns.net2026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 23:30:46
● 2026-03-29 18:24:30
●NSpns104.cloudns.net2026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 23:30:46
● 2026-03-29 18:24:30
○A154.211.13.2302019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-08 23:30:46
○ 2026-03-29 18:24:30
●A172.83.154.2142026-03-08 → 2026-03-29 · 3 obs
● 2026-03-08 23:30:46
● 2026-03-29 18:24:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| douluobook.com | pns102.cloudns.net, pns101.cloudns.net, pns103.cloudns.net, pns104.cloudns.net | - |
✅ Authoritative Response
Server:185.136.98.99
NS records: pns102.cloudns.net, pns101.cloudns.net, pns103.cloudns.net, pns104.cloudns.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 233ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.83.154.214 |
| NS | 4 | pns102.cloudns.net, pns104.cloudns.net... |
| SOA | 1 | pns101.cloudns.net support.cloudns.net |
Analysis
IP Addresses
douluobook.com points to a single IP number: 172.83.154.214.
Name Servers
douluobook.com is delegated to four name servers: pns101.cloudns.net, pns102.cloudns.net, pns103.cloudns.net and pns104.cloudns.net.
douluobook.com at least partially shares name servers with other domains, for instance by8835.com, (0x706f726e)o-rus.net, mywinbet2u.com, harbourinsurance.co.uk and danmei5.com.
These name servers are commonly used alongside ns101.cloudns.net, ns104.cloudns.net, ns102.cloudns.net and ns103.cloudns.net.
Host names with two IP numbers:
pns101.cloudns.net points to: 2a06:fb00:1::1:99 and 185.136.96.99.
pns102.cloudns.net points to: 2a06:fb00:1::2:99 and 185.136.97.99.
pns103.cloudns.net points to: 2a06:fb00:1::3:99 and 185.136.98.99.
pns104.cloudns.net points to: 2a06:fb00:1::4:99 and 185.136.99.99.