rtbu.org - dns.ninja

rtbu.org

DNSSEC⚠️ Not signed
A43.250.142.80🇦🇺 SYNERGYWHOLESALE-AP43.250.142.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119
PTRsyn07fe.syd5.hostyourservices.net
NSns1.syd5.hostyourservices.net
A103.252.154.25🇦🇺 SYNERGYWHOLESALE-AP103.252.154.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119
PTRns1.syd5.hostyourservices.net
NSns2.syd5.hostyourservices.net
A2400:b800:0:1::23c🇦🇺 SYNERGYWHOLESALE-AP2400:b800::/48 SYNERGY WHOLESALE PTY LTD Suite 105 66 Victor Crescent
PTRns2.syd5.hostyourservices.net
A223.130.24.243🇦🇺 SYNERGYWHOLESALE-AP223.130.24.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119
PTRns2.syd5.hostyourservices.net
MXmail.rtbu.org
A43.250.142.80🇦🇺 SYNERGYWHOLESALE-AP43.250.142.0/24 SYNERGY WHOLESALE PTY LTD PO BOX 119
PTRsyn07fe.syd5.hostyourservices.net
TXTv=spf1 a mx include:spf.hostyourservices.net ~all
SOAns1.syd5.hostyourservices.netroot@syn07fe.syd5.hostyourservices.net 2026-07-08 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785705120

Subdomains

Same first word

Similar names

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns1.syd5.hostyourservices.netns2.syd5.hostyourservices.netapr2.apr.net.auns1.emailverification.infons2.emailverification.infosydney.alpha.net.auMXmail.rtbu.orgapr2.apr.net.aumail.rtbu.org.auA43.250.142.80203.41.44.2954.38.220.8594.23.162.163
NSapr2.apr.net.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-08-15 01:54:28
● 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
○ 2015-12-03 18:08:02
● 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
○ 2026-03-28 08:08:28
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
NSns2.emailverification.info2026-02-19 → 2026-03-28 · 5 obs
○ 2015-12-03 18:08:02
● 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
○ 2026-03-28 08:08:28
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
NSsydney.alpha.net.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-08-15 01:54:28
● 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
● 2015-08-15 01:54:28
● 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
○ 2026-02-19 01:24:54
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
MXmail.rtbu.org.au2015-08-15 → 2015-12-03 · 4 obs
● 2015-08-15 01:54:28
● 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
● 2015-08-15 01:54:28
● 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
○ 2026-03-28 08:08:28
● 2026-05-12 02:05:34
● 2026-08-02 21:47:20
A54.38.220.852026-02-19 → 2026-03-16 · 5 obs
○ 2015-12-03 18:08:02
● 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
○ 2026-02-19 01:24:54
○ 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

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
rtbu.orgns2.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

TypeCountSample Data
A143.250.142.80
NS2ns2.syd5.hostyourservices.net, ns1.syd5.hostyourservices.net
MX1mail.rtbu.org (pri: 0)
TXT1v=spf1 a mx include:spf.hostyourservices
SOA1ns1.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.