gptutor.com.sg - robtex.com

gptutor.com.sg

DNSSEC⚠️ Not signed
A111.235.136.15🇸🇬 DREAMSCAPE-AS-AP111.235.136.0/22 Vodien Internet Solutions Pte Ltd 3 Irving Road 09-01 Tai Seng Centre
PTRweb144.vodien.com
NSns1.vodien.com ⭐
A2400:cb00:2049:1::a29f:180a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns1.vodien.com
A162.159.24.10Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.vodien.com
NSns2.vodien.com
A2400:cb00:2049:1::a29f:1942🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns2.vodien.com
A162.159.25.66Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.vodien.com
NSns3.vodien.com ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:180a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns1.vodien.com
A162.159.24.10Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.vodien.com
MXmail.gptutor.com.sg ⭐
A103.11.189.189🇸🇬 DREAMSCAPE-AS-AP103.11.188.0/22 Vodien Internet Solutions Pte Ltd 3 Irving Road 09-01 Tai Seng Centre
SOAns1.vodien.comhostmaster@serveradd.com 2025-11-16 #2

com.sg

DNSSEC⚠️ Not signed
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg ⚠️ Not in parent delegation
NSdsany3.sgnic.sg ⚠️ Not in parent delegation
NSdsany4.sgnic.sg ⚠️ Not in parent delegation
NSpch.sgzones.sg ⚠️ Not in parent delegation
SOAds.sgnic.sgdna@sgnic.sg serial=2607180400

Subdomains

mail.gptutor.com.sg

Same first word

gptutor.com.sg
gptutor.com

Similar names

ttgroup.com.vn
ttgroup.com.au
ttgroup.com
ttgroup.ca
ttgroup.cz
ttgroup.co
ptgtour.com
ttgroup.net
ttgroup.cn
pgtutor.com
ttgroup.su
ttgroup.ir
grouptt.com
gottrup.org
grupott.com
ttgroup.in
guttorp.com
ttgroup.no
ttgroup.eu
ttgroup.it
gottrup.com
ttgroup.gr
ttgroup.ch
ttgroup.info
ttgroup.pl
ttgroup.co.nz
ttgroup.kz
ttgroup.org
ttgroup.de
ttgroup.com.my
ttgroup.co.in
ttgroup.kiev.ua
ttgroup.com.tr
ttgroup.net.au

DNS History

15 records (5 active, 10 former)

201820192020202120222023202420252026NSns1.vodien.comns2.vodien.comns3.vodien.comamy.ns.cloudflare.comjack.ns.cloudflare.comns1.bluehost.comns2.bluehost.comMXmail.gptutor.com.sgdc-b2e6a0bd5cc7.gptutor.com.sgA111.235.136.15104.18.42.158104.18.43.1582400:cb00:2048:1::6812:2a9e2400:cb00:2048:1::6812:2b9e69.89.31.93
○NSamy.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
○NSjack.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
○NSns1.bluehost.com2020-01-30 → 2020-01-30 · 4 obs
○ 2017-03-16 17:10:46
● 2020-01-30 12:07:50
○ 2026-06-23 10:23:16
○ 2026-07-18 04:38:16
●NSns1.vodien.com2026-06-23 → 2026-07-18 · 3 obs
○ 2020-01-30 12:07:50
● 2026-06-23 10:23:16
● 2026-07-18 04:38:16
○NSns2.bluehost.com2020-01-30 → 2020-01-30 · 4 obs
○ 2017-03-16 17:10:46
● 2020-01-30 12:07:50
○ 2026-06-23 10:23:16
○ 2026-07-18 04:38:16
●NSns2.vodien.com2026-06-23 → 2026-07-18 · 3 obs
○ 2020-01-30 12:07:50
● 2026-06-23 10:23:16
● 2026-07-18 04:38:16
●NSns3.vodien.com2026-06-23 → 2026-07-18 · 3 obs
○ 2020-01-30 12:07:50
● 2026-06-23 10:23:16
● 2026-07-18 04:38:16
○MXdc-b2e6a0bd5cc7.gptutor.com.sg2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
●MXmail.gptutor.com.sg2020-01-30 → 2026-07-18 · 3 obs
○ 2017-03-16 17:10:46
● 2020-01-30 12:07:50
● 2026-07-18 04:38:16
○A104.18.42.1582017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
○A104.18.43.1582017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
●A111.235.136.152026-06-23 → 2026-07-18 · 3 obs
○ 2020-01-30 12:07:50
● 2026-06-23 10:23:16
● 2026-07-18 04:38:16
○A2400:cb00:2048:1::6812:2a9e2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
○A2400:cb00:2048:1::6812:2b9e2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:10:46
○ 2020-01-30 12:07:50
○ 2026-07-18 04:38:16
○A69.89.31.932020-01-30 → 2020-01-30 · 4 obs
○ 2017-03-16 17:10:46
● 2020-01-30 12:07:50
○ 2026-06-23 10:23:16
○ 2026-07-18 04:38:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sgns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...10 records
gptutor.com.sgns2.vodien.com, ns1.vodien.com-

✅ Authoritative Response

Server:162.159.24.10

NS records: ns2.vodien.com, ns1.vodien.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gptutor.com.sg (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

TypeCountSample Data
A1111.235.136.15
NS3ns1.vodien.com, ns3.vodien.com...
MX1mail.gptutor.com.sg (pri: 0)
SOA1ns1.vodien.com hostmaster.serveradd.com

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (pch.sgzones.sg, pch.sgzones.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Hierarchy

gptutor.com.sg serves as the parent of mail.gptutor.com.sg.

IP Addresses

gptutor.com.sg has exactly one IP address — 111.235.136.15.

v39.sgsvr.com, www.teckwah.com.sg, murho.com plus two other host names have IP numbers in common with gptutor.com.sg.

Name Servers

The authoritative name servers for gptutor.com.sg are ns1.vodien.com, ns2.vodien.com and ns3.vodien.com — three in total.

gptutor.com.sg has at least partial name server overlap with other domains, such as d-crypt.com, interwater.com.au, jilliansands.com.au and two others.

Three hostnames with two IP addresses each: ns1.vodien.com directs to 162.159.24.10 and 2400:cb00:2049:1::a29f:180a; ns2.vodien.com directs to 162.159.25.66 and 2400:cb00:2049:1::a29f:1942; ns3.vodien.com directs to 162.159.24.10 and 2400:cb00:2049:1::a29f:180a. Notably, ns1.vodien.com and ns3.vodien.com share the same IP pair.

Both ns1.vodien.com and ns3.vodien.com resolve to 2400:cb00:2049:1::a29f:180a IP addresses each.

Both ns1.vodien.com and ns3.vodien.com resolve to 162.159.24.10 IP addresses each.

Mail Servers

gptutor.com.sg uses one mail server — mail.gptutor.com.sg.

mail.gptutor.com.sg directs to just one IP number, 103.11.189.189.