jb303.com - robtex.com
jb303.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.205.158.9🇸🇨 KaopuCloud154.205.158.0/24 Lightnode Limited | ||||||
| NS | ns1.jb303.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.slotmacau188m.skin ⚠️ Not in zone NS records | ||||||
| A | 154.205.158.9🇸🇨 KaopuCloud154.205.158.0/24 Lightnode Limited | ||||||
| NS | ns2.jb303.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.slotmacau188m.skin ⚠️ Not in zone NS records | ||||||
| A | 154.205.158.9🇸🇨 KaopuCloud154.205.158.0/24 Lightnode Limited | ||||||
| MX | mail.jb303.com ⭐ | ||||||
| A | 112.50.94.41🇨🇳 CHINAMOBILE-CN112.50.94.0/24 CMI (Customer Route) | ||||||
| TXT | v=spf1 a mx ip4:112.50.94.41 ~all | ||||||
| SOA | ns1.jb303.comhostmaster@jb303.com serial=1 | ||||||
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=1774462297 | ||||||
Subdomains
mail.jb303.com |
Same first word
jb303.com |
DNS History
15 records (6 active, 9 former)
○NSdns11.parkpage.foundationapi.com2016-02-27 → 2016-02-27 · 4 obs
● 2016-02-27 08:41:40
○ 2016-05-05 00:08:22
○ 2026-03-25 18:40:30
○NSdns12.parkpage.foundationapi.com2016-02-27 → 2016-02-27 · 4 obs
● 2016-02-27 08:41:40
○ 2016-05-05 00:08:22
○ 2026-03-25 18:40:30
○NShao7581730.earth.orderbox-dns.com2015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 19:16:32
○ 2016-02-27 08:41:40
○ 2026-03-25 18:40:30
○NShao7581730.mars.orderbox-dns.com2015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 19:16:32
○ 2016-02-27 08:41:40
○ 2026-03-25 18:40:30
○NShao7581730.mercury.orderbox-dns.com2015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 19:16:32
○ 2016-02-27 08:41:40
○ 2026-03-25 18:40:30
○NShao7581730.venus.orderbox-dns.com2015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 19:16:32
○ 2016-02-27 08:41:40
○ 2026-03-25 18:40:30
●NSns1.jb303.com2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
●NSns1.slotmacau188m.skin2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
●NSns2.jb303.com2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
●NSns2.slotmacau188m.skin2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
●MXmail.jb303.com2008-03-17 → 2026-03-25 · 5 obs
○ 2015-08-18 19:16:32
○ 2017-04-02 18:17:34
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
●A154.205.158.92026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 11:58:10
● 2026-03-25 18:40:30
○A209.99.40.2222016-02-27 → 2016-02-27 · 4 obs
● 2016-02-27 08:41:40
○ 2016-05-05 00:08:22
○ 2026-03-25 18:40:30
○A218.30.100.362008-03-17 → 2008-03-17 · 3 obs
○ 2015-08-18 19:16:32
○ 2026-03-25 18:40:30
○A23.80.7.1802015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 19:16:32
○ 2016-02-27 08:41:40
○ 2026-03-25 18:40:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jb303.com | ns2.slotmacau188m.skin, ns1.slotmacau188m.skin | - |
✅ Authoritative Response
Server:154.205.158.9
NS records: ns2.slotmacau188m.skin, ns1.slotmacau188m.skin
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jb303.com (unsigned zone)
⏱️ Timing
Total: 1136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.205.158.9 |
| NS | 2 | ns2.jb303.com, ns1.jb303.com |
| MX | 1 | mail.jb303.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:112.50.94.41 ~all |
| SOA | 1 | ns1.jb303.com hostmaster.jb303.com |
Analysis
Hierarchy
jb303.com is the parent of mail.jb303.com.
IP Addresses
jb303.com resolves to one IP number: 154.205.158.9.
Other host names, for instance ns1.slotmacau188m.skin, y888.org and ns2.slotmacau188m.skin share IP numbers with jb303.com.
Name Servers
jb303.com is delegated to four name servers: ns1.jb303.com, ns2.jb303.com, ns1.slotmacau188m.skin and ns2.slotmacau188m.skin.
jb303.com at least partially shares name servers with other domains, for instance y888.org.
These name servers are commonly used alongside ns1.y888.org and ns2.y888.org.
Host names with a single IP:
ns1.slotmacau188m.skin points to 154.205.158.9.
ns2.slotmacau188m.skin points to 154.205.158.9.
Host names pointing to 154.205.158.9: ns1.slotmacau188m.skin and ns2.slotmacau188m.skin.
Mail Servers
jb303.com is handled by a single mail server, mail.jb303.com.
mail.jb303.com resolves to IP 112.50.94.41.