rb.org - robtex.com
rb.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.250.121.109🇺🇸 Flexential72.250.120.0/21 | ||||||
| NS | x.ns.joker.com ⭐ | ||||||
| A | 194.245.103.13🇩🇪 CSL194.245.0.0/16 DE-CSL-GMBH-PA | ||||||
| NS | y.ns.joker.com | ||||||
| A | 2a01:4f8:c0c:165b::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | y.ns.joker.com | ||||||
| A | 23.88.49.189🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| NS | z.ns.joker.com | ||||||
| A | 2607:5300:203:7e6d::2222🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| A | 192.95.37.184🇨🇦 OVH192.95.0.0/18 Hosting route | ||||||
| MX | rb.org ⭐ | ||||||
| A | 72.250.121.109🇺🇸 Flexential72.250.120.0/21 | ||||||
| MX | youth.net(80) | ||||||
| A | 99.8.167.28🇺🇸 AS701899.8.0.0/15 | ||||||
| TXT | v=spf1 ip4:72.250.121.109 ip4:139.64.246.184 -all | ||||||
| SOA | x.ns.joker.comhostmaster@joker.com 2026-05-18 #62 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ | ||||||
| NS | a2.org.afilias-nst.info | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784711407 | ||||||
Previously NS for
MX for
rb.org |
Previously MX for
www.rb.org |
Subdomains
Same first word
Similar names
DNS History
16 records (6 active, 10 former)
○NScac.rb.org2017-05-18 → 2019-08-08 · 5 obs
● 2017-05-18 20:11:02
● 2019-08-08 23:43:00
○ 2020-01-13 05:19:00
○ 2026-07-22 09:39:30
○NScac0.rb.org2020-01-13 → 2020-05-18 · 5 obs
● 2020-01-13 05:19:00
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
○NScac1.rb.org2019-08-08 → 2020-05-18 · 5 obs
● 2019-08-08 23:43:00
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
○NScac2.rb.org2020-01-13 → 2020-05-18 · 5 obs
● 2020-01-13 05:19:00
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
○NSns.rb.org2015-09-01 → 2020-05-18 · 4 obs
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
○NSns.youth.net2015-09-01 → 2020-05-18 · 4 obs
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
○NSrb.org2015-09-01 → 2020-05-18 · 4 obs
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
●NSx.ns.joker.com2026-02-18 → 2026-07-22 · 3 obs
● 2026-02-18 06:38:32
● 2026-07-22 09:39:30
●NSy.ns.joker.com2026-02-18 → 2026-07-22 · 3 obs
● 2026-02-18 06:38:32
● 2026-07-22 09:39:30
●NSz.ns.joker.com2026-02-18 → 2026-07-22 · 3 obs
● 2026-02-18 06:38:32
● 2026-07-22 09:39:30
○NSzook.lafn.org2017-05-18 → 2017-05-25 · 5 obs
● 2017-05-18 20:11:02
● 2017-05-25 00:37:14
○ 2017-06-30 19:16:10
○ 2026-07-22 09:39:30
●MXrb.org2015-09-01 → 2026-07-22 · 5 obs
● 2020-05-18 23:25:44
○ 2026-06-29 04:39:38
● 2026-06-29 07:50:58
● 2026-07-22 09:39:30
●MXyouth.net2019-08-08 → 2026-07-22 · 6 obs
● 2019-08-08 23:43:00
● 2020-05-18 23:25:44
○ 2026-06-29 04:39:38
● 2026-06-29 07:50:58
● 2026-07-22 09:39:30
○A64.170.61.222015-09-01 → 2017-08-25 · 4 obs
● 2017-08-25 02:36:40
○ 2019-08-08 23:43:00
○ 2026-07-22 09:39:30
○A68.127.251.1332019-08-08 → 2020-05-18 · 5 obs
● 2019-08-08 23:43:00
● 2020-05-18 23:25:44
○ 2026-02-18 06:38:32
○ 2026-07-22 09:39:30
●A72.250.121.1092026-02-18 → 2026-07-22 · 5 obs
● 2026-02-18 06:38:32
○ 2026-06-29 04:39:38
● 2026-06-29 07:50:58
● 2026-07-22 09:39:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| rb.org | x.ns.joker.com, y.ns.joker.com, z.ns.joker.com | - |
✅ Authoritative Response
Server:23.88.49.189
NS records: x.ns.joker.com, y.ns.joker.com, z.ns.joker.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rb.org (unsigned zone)
⏱️ Timing
Total: 1159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.250.121.109 |
| NS | 3 | x.ns.joker.com, y.ns.joker.com... |
| MX | 2 | rb.org (pri: 50), youth.net (pri: 80) |
| TXT | 1 | v=spf1 ip4:72.250.121.109 ip4:139.64.246 |
| SOA | 1 | x.ns.joker.com hostmaster.joker.com |
Analysis
Hierarchy
ns.rb.org, www.rb.org, cac1.rb.org and cac.rb.org are all subdomains of rb.org.
Mail Server Role
The MX record for rb.org points back to rb.org — it is its own mail server.
youth.net and rb.org are commonly paired as mail servers.
IP Addresses
rb.org directs to one IP number, which is 72.250.121.109.
ns.rb.org and bisbey.com are among other host names that share IP numbers with rb.org.
Name Servers
rb.org has three name servers — x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.
The name servers of rb.org overlap at least partially with those of other domains — among them celebrity-link.com, styleriser.com, ldoa.com and two more.
The name servers a.ns.joker.com, b.ns.joker.com and c.ns.joker.com are commonly seen alongside these name servers.
Hosts with two IP numbers each:
y.ns.joker.com resolves to 23.88.49.189 and 2a01:4f8:c0c:165b::1.
z.ns.joker.com resolves to 192.95.37.184 and 2607:5300:203:7e6d::2222.
Hosts that resolve to one IP address:
x.ns.joker.com resolves to 194.245.103.13.
Mail Servers
Mail for rb.org is routed through two mail servers — rb.org and youth.net.
rb.org has mail servers in common with other domains — youth.net being one example.
Both youth.net and rb.org have a single IP address each — youth.net resolves to 99.8.167.28 while rb.org resolves to 72.250.121.109.