rtbu.org - dns.ninja
rtbu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.250.142.80🇦🇺 SYNERGYWHOLESALE-AP43.250.142.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119 | ||||||
| PTR | syn07fe.syd5.hostyourservices.net | ||||||
| NS | ns1.syd5.hostyourservices.net ⭐ | ||||||
| A | 103.252.154.25🇦🇺 SYNERGYWHOLESALE-AP103.252.154.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119 | ||||||
| PTR | ns1.syd5.hostyourservices.net | ||||||
| NS | ns2.syd5.hostyourservices.net | ||||||
| A | 2400:b800:0:1::23c🇦🇺 SYNERGYWHOLESALE-AP2400:b800::/48 SYNERGY WHOLESALE PTY LTD Suite 105 66 Victor Crescent | ||||||
| PTR | ns2.syd5.hostyourservices.net | ||||||
| A | 223.130.24.243🇦🇺 SYNERGYWHOLESALE-AP223.130.24.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119 | ||||||
| PTR | ns2.syd5.hostyourservices.net | ||||||
| MX | mail.rtbu.org ⭐ | ||||||
| A | 43.250.142.80🇦🇺 SYNERGYWHOLESALE-AP43.250.142.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119 | ||||||
| PTR | syn07fe.syd5.hostyourservices.net | ||||||
| TXT | v=spf1 a mx include:spf.hostyourservices.net ~all | ||||||
| SOA | ns1.syd5.hostyourservices.netroot@syn07fe.syd5.hostyourservices.net 2026-07-08 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785705120 | ||||||
Subdomains
mail.rtbu.org |
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSapr2.apr.net.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-12-03 18:08:02
○ 2026-02-19 01:24:54
○ 2026-08-02 21:47:20
○NSns1.emailverification.info2026-02-19 → 2026-03-28 · 5 obs
● 2026-02-19 01:24:54
● 2026-03-28 08:08:28
○ 2026-05-12 02:05:34
○ 2026-08-02 21:47:20
●NSns1.syd5.hostyourservices.net2026-05-12 → 2026-08-02 · 3 obs
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
○NSns2.emailverification.info2026-02-19 → 2026-03-28 · 5 obs
● 2026-02-19 01:24:54
● 2026-03-28 08:08:28
○ 2026-05-12 02:05:34
○ 2026-08-02 21:47:20
●NSns2.syd5.hostyourservices.net2026-05-12 → 2026-08-02 · 3 obs
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
○NSsydney.alpha.net.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-12-03 18:08:02
○ 2026-02-19 01:24:54
○ 2026-08-02 21:47:20
○MXapr2.apr.net.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-12-03 18:08:02
○ 2026-02-19 01:24:54
○ 2026-08-02 21:47:20
●MXmail.rtbu.org2026-05-12 → 2026-08-02 · 3 obs
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
○MXmail.rtbu.org.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-12-03 18:08:02
○ 2026-02-19 01:24:54
○ 2026-08-02 21:47:20
○A203.41.44.292015-08-15 → 2015-12-03 · 4 obs
● 2015-12-03 18:08:02
○ 2026-02-19 01:24:54
○ 2026-08-02 21:47:20
●A43.250.142.802026-05-12 → 2026-08-02 · 3 obs
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
○A54.38.220.852026-02-19 → 2026-03-16 · 5 obs
● 2026-02-19 01:24:54
● 2026-03-16 19:00:32
○ 2026-03-28 08:08:28
○ 2026-08-02 21:47:20
○A94.23.162.1632026-03-28 → 2026-03-28 · 5 obs
○ 2026-03-16 19:00:32
● 2026-03-28 08:08:28
○ 2026-05-12 02:05:34
○ 2026-08-02 21:47:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| rtbu.org | ns2.syd5.hostyourservices.net, ns1.syd5.hostyourservices.net | - |
✅ Authoritative Response
Server:103.252.154.25
NS records: ns2.syd5.hostyourservices.net, ns1.syd5.hostyourservices.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtbu.org (unsigned zone)
⏱️ Timing
Total: 2602ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.250.142.80 |
| NS | 2 | ns2.syd5.hostyourservices.net, ns1.syd5.hostyourservices.net |
| MX | 1 | mail.rtbu.org (pri: 0) |
| TXT | 1 | v=spf1 a mx include:spf.hostyourservices |
| SOA | 1 | ns1.syd5.hostyourservices.net root.syn07 |
Analysis
Hierarchy
rtbu.org serves as the parent of mail.rtbu.org.
IP Addresses
rtbu.org has exactly one IP address — 43.250.142.80.
mailec.com.au, mail.markraphaelbaker.com, mhcc.org.au plus two other host names have IP numbers in common with rtbu.org.
Name Servers
Two name servers handle the delegation for rtbu.org: ns1.syd5.hostyourservices.net and ns2.syd5.hostyourservices.net.
The name server configuration of rtbu.org is shared with other domains, for instance cardpass.net.au, mdmag.net, febuot.com and two others.
Host names pointing to two IP addresses:
ns2.syd5.hostyourservices.net resolves to two addresses: 223.130.24.243 and 2400:b800:0:1::23c.
Host names resolving to a single IP address:
The hostname ns1.syd5.hostyourservices.net resolves to 103.252.154.25.
Mail Servers
rtbu.org uses one mail server — mail.rtbu.org.
mail.rtbu.org carries a single IP number, which is 43.250.142.80.