`ctbtx.com`

DNSSEC	⚠️ Not signed
A	199.16.172.127^{🇺🇸 Automattic199.16.172.0/24 PRESSABLE}
A	199.16.173.172^{🇺🇸 Automattic199.16.173.0/24 PRESSABLE}
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com include:_spf.smtp.com ~all`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=2

`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=1785045897

Same first word

ctbtx.com

Similar names

tcbxt.com

bctxt.co

bxttc.com

cbxtt.com

tcbtx.com

xbttc.cn

txcbt.com

txbtc.com

bcttx.com

xtbtc.com

cbxtt.live

btxtc.com

cbtxt.com

ttxbc.com

tcbtx.shop

bcttx.info

cbtxt.net

cttbx.com

bcttx.net

btctx.com

DNS History

23 records (11 active, 12 former)

●NSns-cloud-c1.googledomains.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●NSns-cloud-c2.googledomains.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●NSns-cloud-c3.googledomains.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●NSns-cloud-c4.googledomains.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

○NSns-us.1and1-dns.com2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○NSns-us.1and1-dns.de2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○NSns-us.1and1-dns.org2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○NSns-us.1and1-dns.us2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

●MXalt1.aspmx.l.google.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●MXalt2.aspmx.l.google.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●MXalt3.aspmx.l.google.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●MXalt4.aspmx.l.google.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●MXaspmx.l.google.com2026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

○MXmx00.1and1.com2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○MXmx01.1and1.com2015-05-15 → 2017-04-06 · 4 obs

● 2015-05-15 01:16:46
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

●A199.16.172.1272026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

●A199.16.173.1722026-06-30 → 2026-07-26 · 3 obs

○ 2017-04-06 00:21:56
● 2026-06-30 03:43:44
● 2026-07-26 06:19:24

○A216.250.121.632016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-24 14:14:32
● 2016-08-08 07:05:06
○ 2017-04-06 00:21:56
○ 2026-07-26 06:19:24

○A2607:f1c0:1000:10ba:174b:4c95:49a2:78022015-05-15 → 2016-03-24 · 4 obs

● 2015-05-15 01:16:46
● 2016-03-24 14:14:32
○ 2016-08-08 07:05:06
○ 2026-07-26 06:19:24

○A2607:f1c0:1000:10ba:a40c:8fc3:2318:e0382016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-24 14:14:32
● 2016-08-08 07:05:06
○ 2017-04-06 00:21:56
○ 2026-07-26 06:19:24

○A2607:f1c0:100f:f000::2132017-04-06 → 2017-04-06 · 4 obs

○ 2016-08-08 07:05:06
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○A74.208.236.862017-04-06 → 2017-04-06 · 4 obs

○ 2016-08-08 07:05:06
● 2017-04-06 00:21:56
○ 2026-06-30 03:43:44
○ 2026-07-26 06:19:24

○A74.208.58.1142015-05-15 → 2016-03-24 · 4 obs

● 2015-05-15 01:16:46
● 2016-03-24 14:14:32
○ 2016-08-08 07:05:06
○ 2026-07-26 06:19:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctbtx.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbtx.com (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.16.173.172, 199.16.172.127`
NS	4	`ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com include:_`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

IP Addresses

ctbtx.com directs to two IP numbers, 199.16.172.127 and 199.16.173.172

Two other host names, along with 2030palette.org, tapeinnovations.com and elitep.com, also share IP numbers with ctbtx.com.

Name Servers

The NS records for ctbtx.com point to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

ctbtx.com partially shares its NS delegation with several other domains, including amproduce.ca, hawthornerx.com, burehber.com and two others.

ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each carry two IP addresses. ns-cloud-c1.googledomains.com has 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com has 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com has 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com has 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

Mail for ctbtx.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between ctbtx.com and other domains, including resolutional.com, grupofdi.com, spektrasoft.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.