ctgserver.com - dns.ninja

`ctgserver.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:14^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:114^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4996^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.0.20^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.1.20^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.73.150^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melany.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melany.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melany.ns.cloudflare.com`
		A	108.162.194.138^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	162.159.38.138^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	172.64.34.138^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
NS	`sri.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sri.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sri.ns.cloudflare.com`
		A	108.162.193.234^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	172.64.33.234^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	173.245.59.234^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:spf.onlarksuite.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.0.20, 104.26.1.20, 172.67.73.150
		IPv6 hints	2606:4700:20::681a:14, 2606:4700:20::681a:114, 2606:4700:20::ac43:4996
SOA	`melany.ns.cloudflare.com`dns@cloudflare.com serial=2410596813

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785173102

Subdomains

www.ctgserver.com

Same first word

ctgserver.com

Similar names

gctserver.net

gtcserver.xyz

gctserver.com

gctserver.org

DNS History

17 records (11 active, 6 former)

○NSdns1.name-services.com2018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

○NSdns2.name-services.com2018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

○NSdns3.name-services.com2018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

○NSdns4.name-services.com2018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

○NSdns5.name-services.com2018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

●NSmelany.ns.cloudflare.com2026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●NSsri.ns.cloudflare.com2026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●MXmx1.larksuite.com2026-02-14 → 2026-07-27 · 2 obs

● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●MXmx2.larksuite.com2026-02-14 → 2026-07-27 · 2 obs

● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●MXmx3.larksuite.com2026-02-14 → 2026-07-27 · 2 obs

● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●A104.26.0.202026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●A104.26.1.202026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

○A112.213.127.1272018-09-07 → 2018-09-07 · 3 obs

● 2018-09-07 07:13:58
○ 2026-02-14 17:46:54
○ 2026-07-27 17:52:06

●A172.67.73.1502026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●A2606:4700:20::681a:1142026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●A2606:4700:20::681a:142026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

●A2606:4700:20::ac43:49962026-02-14 → 2026-07-27 · 3 obs

○ 2018-09-07 07:13:58
● 2026-02-14 17:46:54
● 2026-07-27 17:52:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctgserver.com	sri.ns.cloudflare.com, melany.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.234

NS records: sri.ns.cloudflare.com, melany.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctgserver.com (unsigned zone)

⏱️ Timing

Total: 179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.73.150, 104.26.0.20...`
AAAA	3	`2606:4700:20::ac43:4996, 2606:4700:20::681a:114...`
NS	2	`melany.ns.cloudflare.com, sri.ns.cloudflare.com`
MX	3	`mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...`
TXT	1	`v=spf1 +include:spf.onlarksuite.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`melany.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sri.ns.cloudflare.com, sri.ns.cloudflare.com, sri.ns.cloudflare.com...)

Analysis

Hierarchy

ctgserver.com is a parent domain of www.ctgserver.com.

IP Addresses

With 6 IP addresses in total, ctgserver.com resolves to 104.26.0.20, 104.26.1.20, 172.67.73.150 and 3 other.

Among the host names that share IP numbers with ctgserver.com are voyd.se, htmlmx02.5linx.com, www.peimutual.com and two others.

Name Servers

ctgserver.com is delegated to two name servers: melany.ns.cloudflare.com and sri.ns.cloudflare.com.

ctgserver.com has the same name server delegation as a number of other domains, such as imzers.net, bellemode.fr, instantdex.org and two more.

ctgserver.com shares at least some of its name servers with other domains, including greyorange.co.jp, doorstepretreat.com, luberon.fr and two others.

These name servers are frequently seen alongside the name servers vin.ns.cloudflare.com, ganz.ns.cloudflare.com, paige.ns.cloudflare.com and ara.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

melany.ns.cloudflare.com resolves to 108.162.194.138, 162.159.38.138, 172.64.34.138 and 3 other IP addresses.

sri.ns.cloudflare.com resolves to 108.162.193.234, 172.64.33.234, 173.245.59.234 and 3 other IP addresses.

Mail Servers

ctgserver.com is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

ctgserver.com shares at least some of its mail servers with other domains — for example metaforce.vn, thelighthome.vn, caia.com.vn and two more.

Hosts with three IP address records:

mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Hosts that resolve to one IP address:

mx1.larksuite.com points to 18.139.153.173.

mx2.larksuite.com points to 18.139.153.173.

mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com all direct to 18.139.153.173.