ctdgroup.com - robtex.com

ctdgroup.com

DNSSEC⚠️ Not signed
A175.111.251.2🇹🇼 CHTI-IP-AP175.111.251.0/24 CHT-I Data Center Chunghwa Telecom Co., Ltd. Int'l Business Group Telecommunication Building, 31, Aikuo East Road,Taipei,Taiwan, 106 R.O.C
PTR175-111-251-2.twgate-ip.twgate.net
NSns1.worldnic.com ⭐
A162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpowerdns-prod06.dc.tutum.co
NSns2.worldnic.com
A162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-162-159-27-124.defastlink.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(5)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
MXalt5.aspmx.l.google.com(10)
A2a00:1450:4025:402::1b🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f27.1e100.net
A142.250.102.27🇺🇸 Google142.250.102.0/24
PTRrb-in-f27.1e100.net
TXTgoogle-site-verification=PZslPDWzgzCOpHogMvkFk942wADl66gfg7rP5xp_PUU
TXTv=spf1 include:_spf.google.com ip4:220.229.253.10 ~all
SOANS1.WORLDNIC.comnamehost@WORLDNIC.com serial=122122022

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Subdomains

pmhah.ctdgroup.com

Same first word

ctdgroup.net
ctdgroup.com

Similar names

dtcgroup.co.uk
dctgroup.vn
tdcgroup.com
gproduct.solutions
tdcgroup.co.uk
dtcgroup.in
dtcgroup.com
dtcgroup.net
tdcgroup.vn
grupocdt.com
dtcgroup.co.in
dctgroup.com
tcdgroup.com
cdtgroup.net
dctgroup.co.uk
cdtgroup.com
tcdgroup.com.au
tdcgroup.ca
tdcgroup.dk
tdcgroup.org
dtcgroup.vn
gproduct.com
productg.com
dtcgroup.com.au
tdcgroup.it

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSns1.worldnic.comns2.worldnic.comMXalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt5.aspmx.l.google.comaspmx.l.google.commail.ctdgroup.compmhah.ctdgroup.comsmg.ctdgroup.comA175.111.251.2220.128.91.83
●NSns1.worldnic.com2015-08-09 → 2026-03-24 · 2 obs
● 2015-08-09 23:17:30
● 2026-03-24 01:50:08
●NSns2.worldnic.com2015-08-09 → 2026-03-24 · 2 obs
● 2015-08-09 23:17:30
● 2026-03-24 01:50:08
●MXalt2.aspmx.l.google.com2026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
●MXalt3.aspmx.l.google.com2026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
●MXalt4.aspmx.l.google.com2026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
●MXalt5.aspmx.l.google.com2026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
●MXaspmx.l.google.com2026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
○MXmail.ctdgroup.com2015-08-09 → 2017-04-03 · 4 obs
● 2015-08-09 23:17:30
● 2017-04-03 01:12:54
○ 2026-03-08 12:50:52
○ 2026-03-24 01:50:08
○MXpmhah.ctdgroup.com2016-06-26 → 2017-04-03 · 5 obs
○ 2015-08-09 23:17:30
● 2016-06-26 07:00:44
● 2017-04-03 01:12:54
○ 2026-03-08 12:50:52
○ 2026-03-24 01:50:08
○MXsmg.ctdgroup.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-06-26 07:00:44
● 2017-04-03 01:12:54
○ 2026-03-08 12:50:52
○ 2026-03-24 01:50:08
●A175.111.251.22026-03-08 → 2026-03-24 · 3 obs
○ 2017-04-03 01:12:54
● 2026-03-08 12:50:52
● 2026-03-24 01:50:08
○A220.128.91.832015-08-09 → 2017-04-03 · 4 obs
● 2015-08-09 23:17:30
● 2017-04-03 01:12:54
○ 2026-03-08 12:50:52
○ 2026-03-24 01:50:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ctdgroup.comns1.worldnic.com, ns2.worldnic.com2 records

✅ Authoritative Response

Server:162.159.26.110

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctdgroup.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

TypeCountSample Data
A1175.111.251.2
NS2ns1.worldnic.com, ns2.worldnic.com
MX5alt5.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...
TXT2google-site-verification=PZslPDWzgzCOpHo, v=spf1 include:_spf.google.com ip4:220.2
SOA1NS1.WORLDNIC.com namehost.WORLDNIC.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.worldnic.com, ns2.worldnic.com)

Analysis

Hierarchy

The parent of pmhah.ctdgroup.com is ctdgroup.com.

IP Addresses

ctdgroup.com points to IP number: 175.111.251.2.

Other host names for instance saigonsouth.com, info.saigonsouth.com, ns.saigonsouth.com and mail.saigonsouth.com share IP numbers with ctdgroup.com.

Name Servers

ctdgroup.com is delegated to two name servers: ns1.worldnic.com and ns2.worldnic.com.

ctdgroup.com shares the same name server setup as supply-uk.com, cablz.com, interbasa.com, gecllc.com and cambridgeheatingcompany.com.

ctdgroup.com shares some name servers with other domains, for instance centerragroup-apps.com.

Host names with a single IP:

ns1.worldnic.com points to 162.159.26.110.

ns2.worldnic.com points to 162.159.27.124.

Mail Servers

Five mail servers handle ctdgroup.com: aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and alt5.aspmx.l.google.com.

ctdgroup.com shares at least partially some mail servers with other domains, including priceanycar.com, dandenongsmashrepairs.com.au, universitetiaab.com, eesysoft.com and yorktuition.co.uk.

these mail servers are often used with alt1.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

Hostname aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

Hostname alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

Hostname alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

Hostname alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.

Hostname alt5.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.27.