rb-ltd.com - robtex.com
rb-ltd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.180.186.121🇸🇬 AS-VULTR139.180.184.0/21 The Constant Company, LLC 319 CLEMATIS ST Suite 900 | ||||||
| PTR | chocochannel.com | ||||||
| NS | ns1.vultr.com ⭐ | ||||||
| A | 2001:19f0:ccc::1🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::1🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultr.com | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.vultr.com | ||||||
| A | 2001:19f0:ccc::2🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::2🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultr.com | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | mail.chocochannel.com ⭐ | ||||||
| A | 45.77.255.127🇸🇬 AS-VULTR45.77.240.0/20 Vultr Assigned Prefix | ||||||
| PTR | mailgw.onwards.com.hk | ||||||
| TXT | v=spf1 a mx ip4:45.77.255.127 mx include:_spf.google.com ~all | ||||||
| SOA | ns1.vultr.comdnsadm@choopa.com serial=0 | ||||||
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=1771291435 | ||||||
Subdomains
mail.rb-ltd.com |
Same first word
rb-ltd.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.vultr.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 16:11:58
● 2026-03-24 04:47:16
○NSns1.webhosthk.com2015-05-30 → 2017-01-03 · 4 obs
● 2017-01-03 19:27:02
○ 2026-02-18 16:11:58
○ 2026-03-24 04:47:16
●NSns2.vultr.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 16:11:58
● 2026-03-24 04:47:16
○NSns2.webhosthk.com2015-05-30 → 2017-01-03 · 4 obs
● 2017-01-03 19:27:02
○ 2026-02-18 16:11:58
○ 2026-03-24 04:47:16
●MXmail.chocochannel.com2026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 16:11:58
● 2026-03-24 04:47:16
○MXmail.rb-ltd.com2015-05-30 → 2017-01-03 · 4 obs
● 2017-01-03 19:27:02
○ 2026-02-18 16:11:58
○ 2026-03-24 04:47:16
●A139.180.186.1212026-02-18 → 2026-03-24 · 3 obs
● 2026-02-18 16:11:58
● 2026-03-24 04:47:16
○A203.135.130.862015-05-30 → 2015-05-30 · 3 obs
○ 2015-09-22 15:11:32
○ 2026-03-24 04:47:16
○A203.90.226.602015-09-22 → 2017-01-03 · 5 obs
● 2015-09-22 15:11:32
● 2017-01-03 19:27:02
○ 2026-02-18 16:11:58
○ 2026-03-24 04:47:16
○A203.90.226.612015-09-22 → 2017-01-03 · 5 obs
● 2015-09-22 15:11:32
● 2017-01-03 19:27:02
○ 2026-02-18 16:11:58
○ 2026-03-24 04:47:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net... | - |
| rb-ltd.com | ns1.vultr.com, ns2.vultr.com | 4 records |
✅ Authoritative Response
Server:173.199.96.96
NS records: ns1.vultr.com, ns2.vultr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rb-ltd.com (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.180.186.121 |
| NS | 2 | ns1.vultr.com, ns2.vultr.com |
| MX | 1 | mail.chocochannel.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:45.77.255.127 mx include |
| SOA | 1 | ns1.vultr.com dnsadm.choopa.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.vultr.com, ns1.vultr.com, ns2.vultr.com...)
Analysis
Hierarchy
The parent of mail.rb-ltd.com is rb-ltd.com.
IP Addresses
rb-ltd.com points to a single IP address: 139.180.186.121.
Other host names, such as konghoi.com and chocochannel.com, share IP numbers with rb-ltd.com.
Name Servers
Two name servers ns1.vultr.com and ns2.vultr.com handle the delegation for rb-ltd.com.
rb-ltd.com shares the same name server setup as other domains, for example blyss.com.au, giftoga.com, phdchousing.org, shift.works and druseducationalconsulting.com.
rb-ltd.com at least partially shares name servers with other domains, for example allespaka.de, variotik.com, ecwlosangeles.org, jcmeats.com and floytag.com.
These name servers are commonly used with ns1.wpdns.host and ns2.wpdns.host and ns3.wpdns.host.
Host names with three IP numbers:
ns1.vultr.com points to 2001:19f0:ccc::1, 2001:19f0:ccd::1 and 173.199.96.96; ns2.vultr.com points to 2001:19f0:ccc::2, 2001:19f0:ccd::2 and 173.199.96.97.
Mail Servers
The mail.chocochannel.com mail server handles rb-ltd.com.
rb-ltd.com shares the same mail server setup as other domains, such as chocochannel.com and onwards.com.hk.
mail.chocochannel.com points to a single IP number: 45.77.255.127.