koutube.sbs - robtex.com
koutube.sbs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.28.40🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | s39.coreserver.jp | ||||||
| NS | ns11.value-domain.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns12.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.86🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.188🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns13.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | koutube.sbs ⭐ | ||||||
| A | 202.172.28.40🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | s39.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.28.40 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@koutube.sbs 2025-10-20 #12 | ||||||
sbs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.sbs | ||||||
| NS | b.nic.sbs | ||||||
| NS | c.nic.sbs | ||||||
| NS | d.nic.sbs | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1776072554 | ||||||
MX for
koutube.sbs |
Subdomains
www.koutube.sbs |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.value-domain.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●NSns11.value-domain.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●NSns12.value-domain.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●NSns13.value-domain.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●NSns2.value-domain.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●MXkoutube.sbs2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
●A202.172.28.402026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 10:01:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs | 8 records |
| koutube.sbs | ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com | - |
✅ Authoritative Response
Server:172.64.52.98
NS records: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koutube.sbs (unsigned zone)
⏱️ Timing
Total: 876ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.28.40 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | koutube.sbs (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.172.28.40 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.koutube. |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.sbs, b.nic.sbs, c.nic.sbs...)
Analysis
Hierarchy
koutube.sbs is the parent of www.koutube.sbs.
Mail Server Role
For koutube.sbs, the mail server is koutube.sbs.
IP Addresses
koutube.sbs resolves to one IP number: 202.172.28.40.
other host names including bestad.sbs, mail.tokamachi.info, waza-net.com, www.keaton.com and w3.tk-game-diary.net share IP numbers with koutube.sbs.
Name Servers
koutube.sbs is delegated to five name servers: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com, ns1.value-domain.com and ns2.value-domain.com.
koutube.sbs at least partially shares name servers with other domains, for instance rtboom.jp, mesutta.com, mamiql.com, himacollection.com and hair-eyelash-sweet.com.
These name servers are commonly used with ns3.value-domain.com, ns4.value-domain.com and ns5.value-domain.com.
Host names with two IP numbers:
ns11.value-domain.com points to: 172.64.52.98 and 172.64.52.184
ns12.value-domain.com points to: 172.64.53.86 and 172.64.53.188
ns13.value-domain.com points to: 172.64.52.98 and 172.64.52.184
ns1.value-domain.com points to: 172.64.52.38 and 172.64.52.161
ns2.value-domain.com points to: 172.64.53.3 and 172.64.53.115
Host names pointing to 172.64.52.98: ns11.value-domain.com and ns13.value-domain.com
Host names pointing to 172.64.52.184: ns11.value-domain.com and ns13.value-domain.com
Mail Servers
koutube.sbs is served by a single mail server, koutube.sbs.
koutube.sbs resolves to IP 202.172.28.40.