ubuildabook.com - dns.ninja

`ubuildabook.com`

DNSSEC	⚠️ Not signed
A	192.232.232.155^{🇺🇸 EIGI192.232.224.0/20 Oracle Corporation}
		PTR	`192-232-232-155.unifiedlayer.com`
NS	`ns3.ubuildabook.com` ⭐
		A	192.232.232.155^{🇺🇸 EIGI192.232.224.0/20 Oracle Corporation}
			PTR	`192-232-232-155.unifiedlayer.com`
NS	`ns4.ubuildabook.com`
		A	192.232.232.148^{🇺🇸 EIGI192.232.224.0/20 Oracle Corporation}
			PTR	`192-232-232-148.unifiedlayer.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`mx.sendgrid.net`⁽⁵⁾
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
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::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 ip4:192.232.232.155 include:sendgrid.net include:_spf.google.com ~all`
TXT	`google-site-verification=DtcHhVBaMblH8xd3n3kW-P2JG4NUOxZD18XqqcBeWWM`
SOA	`ns3.ubuildabook.com`infod@ubuildabook.com 2026-06-14 #0

`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=1784358332

Subdomains

www.ubuildabook.com

ns2.ubuildabook.com

ns4.ubuildabook.com

ns1.ubuildabook.com

ubu.ubuildabook.com

ns3.ubuildabook.com

Same first word

ubuildabook.net

ubuildabook.com

DNS History

12 records (9 active, 3 former)

○NSns1.ubuildabook.com2015-08-02 → 2017-02-20 · 4 obs

● 2015-08-02 09:29:22
● 2017-02-20 12:45:16
○ 2026-03-26 07:27:02
○ 2026-07-18 07:15:20

○NSns2.ubuildabook.com2015-08-02 → 2017-02-20 · 4 obs

● 2015-08-02 09:29:22
● 2017-02-20 12:45:16
○ 2026-03-26 07:27:02
○ 2026-07-18 07:15:20

●NSns3.ubuildabook.com2026-03-26 → 2026-07-18 · 3 obs

○ 2017-02-20 12:45:16
● 2026-03-26 07:27:02
● 2026-07-18 07:15:20

●NSns4.ubuildabook.com2026-03-26 → 2026-07-18 · 3 obs

○ 2017-02-20 12:45:16
● 2026-03-26 07:27:02
● 2026-07-18 07:15:20

●MXalt1.aspmx.l.google.com2015-08-02 → 2026-07-18 · 2 obs

● 2015-08-02 09:29:22
● 2026-07-18 07:15:20

●MXalt2.aspmx.l.google.com2015-08-02 → 2026-07-18 · 2 obs

● 2015-08-02 09:29:22
● 2026-07-18 07:15:20

●MXalt3.aspmx.l.google.com2015-08-02 → 2026-07-18 · 2 obs

● 2015-08-02 09:29:22
● 2026-07-18 07:15:20

●MXalt4.aspmx.l.google.com2015-08-02 → 2026-07-18 · 2 obs

● 2015-08-02 09:29:22
● 2026-07-18 07:15:20

●MXaspmx.l.google.com2015-08-02 → 2026-07-18 · 2 obs

● 2015-08-02 09:29:22
● 2026-07-18 07:15:20

●MXmx.sendgrid.net2026-03-26 → 2026-07-18 · 3 obs

○ 2015-08-02 09:29:22
● 2026-03-26 07:27:02
● 2026-07-18 07:15:20

●A192.232.232.1552026-03-26 → 2026-07-18 · 3 obs

○ 2017-02-20 12:45:16
● 2026-03-26 07:27:02
● 2026-07-18 07:15:20

○A198.57.222.2302015-08-02 → 2017-02-20 · 4 obs

● 2015-08-02 09:29:22
● 2017-02-20 12:45:16
○ 2026-03-26 07:27:02
○ 2026-07-18 07:15:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
ubuildabook.com	ns3.ubuildabook.com, ns4.ubuildabook.com	2 records

✅ Authoritative Response

Server:192.232.232.148

NS records: ns3.ubuildabook.com, ns4.ubuildabook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubuildabook.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.232.232.155`
NS	2	`ns4.ubuildabook.com, ns3.ubuildabook.com`
MX	6	`alt4.aspmx.l.google.com (pri: 10), mx.sendgrid.net (pri: 5)...`
TXT	2	`google-site-verification=DtcHhVBaMblH8xd, v=spf1 ip4:192.232.232.155 include:sendg`
SOA	1	`ns3.ubuildabook.com infod.ubuildabook.co`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns3.ubuildabook.com, ns4.ubuildabook.com)

Analysis

Hierarchy

ubuildabook.com is a parent domain; its children include www.ubuildabook.com, ns2.ubuildabook.com, ns4.ubuildabook.com, ns1.ubuildabook.com, ubu.ubuildabook.com and a few other host names.

IP Addresses

ubuildabook.com has exactly one IP address — 192.232.232.155.

ubuildabook.com shares its IP numbers with other host names like ns1.ubuildabook.com, ubu.ubuildabook.com and ns3.ubuildabook.com.

Name Servers

ubuildabook.com is served by two delegated name servers, ns3.ubuildabook.com and ns4.ubuildabook.com.

Other domains share the same name server configuration as ubuildabook.com, for example ubu.ubuildabook.com.

ns3.ubuildabook.com resolves to 192.232.232.155. ns4.ubuildabook.com resolves to 192.232.232.148. Both host names point to a single IP number.

Mail Servers

The MX records for ubuildabook.com point to 6 mail servers — mx.sendgrid.net, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

At least some of the mail servers used by ubuildabook.com are shared with other domains: upna.net, horariodemissa.com.br, mezzow.com and two others among them.

These mail servers are often deployed together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other mail servers.

Hosts with 12 IP addresses each:

mx.sendgrid.net carries IP addresses 3.17.120.38, 3.136.245.72 and 13.216.54.185, with 9 other addresses beyond those.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 172.253.122.26 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.