koubu.net - robtex.com
koubu.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.232.244.124🇭🇰 HDHK156.232.240.0/20 Proxy-registered route object | ||||||
| NS | a11.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b11.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1749549835 | ||||||
net
| 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=1774533927 | ||||||
Previously MX for
koubu.net |
Same first word
Similar names
bokuu.com |
kubou.net |
buuko.com |
kuobu.cn |
kuobu.com |
obuku.com |
bukuo.com |
bukou.net |
kuubo.com |
buuko.site |
bukou.cn |
kubuo.com |
bukou.com |
kobuu.com |
bukou.jp |
bukou.co.jp |
ubuko.com |
ukubo.com |
DNS History
17 records (5 active, 12 former)
●NSa.share-dns.com2026-02-22 → 2026-03-26 · 3 obs
○ 2017-05-19 04:26:12
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
●NSa11.share-dns.com2026-02-22 → 2026-03-26 · 3 obs
○ 2017-05-19 04:26:12
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
●NSb.share-dns.net2026-02-22 → 2026-03-26 · 3 obs
○ 2017-05-19 04:26:12
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
●NSb11.share-dns.net2026-02-22 → 2026-03-26 · 3 obs
○ 2017-05-19 04:26:12
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
○NSexpire1.gname-dns.com2026-02-22 → 2026-03-26 · 2 obs
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○ 2026-03-26 14:32:10
○NSexpire2.gname-dns.com2026-02-22 → 2026-03-26 · 2 obs
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○ 2026-03-26 14:32:10
○NSns-1418.awsdns-49.org2016-02-24 → 2017-05-19 · 5 obs
○ 2015-11-21 06:09:50
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○NSns-1934.awsdns-49.co.uk2015-07-20 → 2015-11-21 · 4 obs
● 2015-07-20 04:42:16
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
○NSns-2021.awsdns-60.co.uk2016-02-24 → 2017-05-19 · 5 obs
○ 2015-11-21 06:09:50
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○NSns-435.awsdns-54.com2016-02-24 → 2017-05-19 · 5 obs
○ 2015-11-21 06:09:50
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○NSns-753.awsdns-30.net2016-02-24 → 2017-05-19 · 5 obs
○ 2015-11-21 06:09:50
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○NSns.koubu.net2015-07-20 → 2015-11-21 · 4 obs
● 2015-07-20 04:42:16
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
○MXkoubu.net2015-07-20 → 2017-05-19 · 4 obs
● 2015-07-20 04:42:16
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
●A156.232.244.1242026-02-22 → 2026-03-26 · 3 obs
○ 2017-05-19 04:26:12
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
● 2026-02-22 11:44:20
● 2026-03-26 14:32:10
○A175.41.239.1062015-07-20 → 2015-11-21 · 4 obs
● 2015-07-20 04:42:16
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
● 2015-11-21 06:09:50
○ 2016-02-24 12:49:58
○ 2026-03-26 14:32:10
○A52.192.177.742016-02-24 → 2017-05-19 · 5 obs
○ 2015-11-21 06:09:50
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
● 2016-02-24 12:49:58
● 2017-05-19 04:26:12
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○CNAMEexp.gs-cdn.com2026-02-22 → 2026-03-26 · 2 obs
○ 2026-02-22 11:44:20
○ 2026-03-26 14:32:10
○ 2026-03-26 14:32:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| koubu.net | b11.share-dns.net, a11.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b11.share-dns.net, a11.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koubu.net (unsigned zone)
⏱️ Timing
Total: 234ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.232.244.124 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (b11.share-dns.net)
Analysis
IP Addresses
koubu.net points to a single IP number: 156.232.244.124.
Name Servers
koubu.net is delegated to four name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.
koubu.net at least partially shares name servers with other domains, for instance dywz2018.com, (0x736578)-fr.com, cafewas.com, xmztq.cn and cnhyks.com.
These name servers are commonly used together with the name servers a1.share-dns.com, b1.share-dns.net, a5.share-dns.com, b5.share-dns.net, a12.share-dns.com, b12.share-dns.net, a8.share-dns.com, b8.share-dns.net, a9.share-dns.com and b9.share-dns.net.
Host names pointing to 172.64.53.25: a11.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b11.share-dns.net and b.share-dns.net.