rtgroup.com.sg - dns.ninja
rtgroup.com.sg
com.sg
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany3.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany4.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg ⚠️ Not in parent delegation | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2607261830 | ||||||
Previously MX for
rtgroup.com.sg |
Same first word
rtgroup.com.sg |
rtgroup.co.uk |
rtgroup.ru |
rtgroup.biz |
rtgroup.eu |
rtgroup.ca |
rtgroup.de |
rtgroup.com.br |
rtgroup.com |
rtgroup.lv |
rtgroup.co.za |
rtgroup.com.au |
rtgroup.co |
rtgroup.us |
rtgroup.org |
rtgroup.net |
rtgroup.it |
Similar names
DNS History
18 records (8 active, 10 former)
○NSns1.gsgp1038.siteground.asia2026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 03:26:20
○ 2026-06-16 15:55:36
○ 2026-07-26 18:56:30
○NSns1.sgp67.siteground.asia2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 10:38:26
○ 2026-03-14 03:26:20
○ 2026-07-26 18:56:30
●NSns1.siteground.net2026-03-14 → 2026-07-26 · 3 obs
● 2026-03-14 03:26:20
● 2026-07-26 18:56:30
○NSns2.gsgp1038.siteground.asia2026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 03:26:20
○ 2026-06-16 15:55:36
○ 2026-07-26 18:56:30
○NSns2.sgp67.siteground.asia2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 10:38:26
○ 2026-03-14 03:26:20
○ 2026-07-26 18:56:30
●NSns2.siteground.net2026-03-14 → 2026-07-26 · 3 obs
● 2026-03-14 03:26:20
● 2026-07-26 18:56:30
○NSns3.sgwebserver.com2015-07-09 → 2016-02-27 · 4 obs
● 2016-02-27 21:27:44
○ 2020-02-21 10:38:26
○ 2026-07-26 18:56:30
○NSns4.sgwebserver.com2015-07-09 → 2016-02-27 · 4 obs
● 2016-02-27 21:27:44
○ 2020-02-21 10:38:26
○ 2026-07-26 18:56:30
●MXalt1.aspmx.l.google.com2020-02-21 → 2026-07-26 · 3 obs
● 2020-02-21 10:38:26
● 2026-07-26 18:56:30
●MXalt2.aspmx.l.google.com2020-02-21 → 2026-07-26 · 3 obs
● 2020-02-21 10:38:26
● 2026-07-26 18:56:30
●MXalt3.aspmx.l.google.com2020-02-21 → 2026-07-26 · 3 obs
● 2020-02-21 10:38:26
● 2026-07-26 18:56:30
●MXalt4.aspmx.l.google.com2020-02-21 → 2026-07-26 · 3 obs
● 2020-02-21 10:38:26
● 2026-07-26 18:56:30
●MXaspmx.l.google.com2020-02-21 → 2026-07-26 · 3 obs
● 2020-02-21 10:38:26
● 2026-07-26 18:56:30
○MXrtgroup.com.sg2015-07-09 → 2016-02-27 · 4 obs
● 2016-02-27 21:27:44
○ 2020-02-21 10:38:26
○ 2026-07-26 18:56:30
○A180.210.203.1982015-11-19 → 2016-02-27 · 5 obs
● 2015-11-19 05:50:08
● 2016-02-27 21:27:44
○ 2020-02-21 10:38:26
○ 2026-07-26 18:56:30
○A180.210.203.612015-07-09 → 2015-07-09 · 3 obs
○ 2015-11-19 05:50:08
○ 2026-07-26 18:56:30
●A35.213.169.1362026-03-14 → 2026-07-26 · 3 obs
● 2026-03-14 03:26:20
● 2026-07-26 18:56:30
○A77.104.167.1082020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 10:38:26
○ 2026-03-14 03:26:20
○ 2026-07-26 18:56:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | ns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg... | 10 records |
| rtgroup.com.sg | ns1.siteground.net, ns2.siteground.net | - |
✅ Authoritative Response
Server:75.2.77.104
NS records: ns1.siteground.net, ns2.siteground.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtgroup.com.sg (unsigned zone)
⏱️ Timing
Total: 1111ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.213.169.136 |
| NS | 2 | ns1.siteground.net, ns2.siteground.net |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com include:r, google-site-verification=DV0KdFtxwH_zGKh |
| SOA | 1 | ns1.siteground.net root.gsgp1038.sitegro |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...)
Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)
Analysis
IP Addresses
rtgroup.com.sg has exactly one IP address — 35.213.169.136.
onwa.com.cn, oldchiangmai.com, masterdigitalmedia.com plus two other host names have IP numbers in common with rtgroup.com.sg.
Name Servers
rtgroup.com.sg has two authoritative name servers — ns1.siteground.net and ns2.siteground.net.
The name server configuration of rtgroup.com.sg is shared with other domains, for instance bernal.cat, keyscasa.com, naplic.org.uk and two others.
The name servers of rtgroup.com.sg overlap at least partially with those of other domains — among them kleanit.com, rubann.com, photographerathensgreece.gr and two more.
Both ns1.siteground.net and ns2.siteground.net have a single IP address each — ns1.siteground.net resolves to 75.2.77.104 while ns2.siteground.net resolves to 99.83.229.113.
Mail Servers
rtgroup.com.sg has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by rtgroup.com.sg are shared with other domains: youthmattersconsulting.org, analogisklep.pl, adealeads.org and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com resolves to 142.251.179.26 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.