kutools.com - dns.ninja

`kutools.com`

DNSSEC	⚠️ Not signed
A	52.1.175.238^{🇺🇸 Amazon52.0.0.0/15 EC2 IAD prefix}
		PTR	`ec2-52-1-175-238.compute-1.amazonaws.com`
A	54.175.142.122^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
NS	`ns-538.awsdns-03.net` ⭐
		A	2600:9000:5302:1a00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-538.awsdns-03.net`
		A	205.251.194.26^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-538.awsdns-03.net`
NS	`ns-1187.awsdns-20.org` ⚠️ Not in parent delegation
		A	2600:9000:5304:a300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1187.awsdns-20.org`
		A	205.251.196.163^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1187.awsdns-20.org`
NS	`ns-1575.awsdns-04.co.uk` ⚠️ Not in parent delegation
		A	2600:9000:5306:2700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1575.awsdns-04.co.uk`
		A	205.251.198.39^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1575.awsdns-04.co.uk`
NS	`ns-405.awsdns-50.com`
		A	2600:9000:5301:9500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-405.awsdns-50.com`
		A	205.251.193.149^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-405.awsdns-50.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
MX	`3kysht4xb2g435qp7eznef2pusfv3pi6c62zjba52hcwl656f5vq.mx-verification.google.com`⁽¹⁵⁾
SOA	`ns-538.awsdns-03.net`awsdns-hostmaster@amazon.com serial=1

`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=1785911124

Subdomains

www.kutools.com

Same first word

kutools.com

kutools.ru

Similar names

toolsuk.net

tokusol.com

uktools.eu

uktools.net

uktools.org

outloks.com

loukost.su

uktools.ru

luksoto.com

looktus.com

skolout.cz

uktools.com

loukost.ru

DNS History

23 records (12 active, 11 former)

●NSns-1187.awsdns-20.org2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●NSns-1575.awsdns-04.co.uk2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●NSns-405.awsdns-50.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●NSns-538.awsdns-03.net2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

○NSns2.quickserve.com2015-05-23 → 2018-07-16 · 4 obs

● 2015-05-23 17:11:48
● 2018-07-16 15:15:22
○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

○NSns7.ns0.com2015-05-23 → 2018-07-16 · 4 obs

● 2015-05-23 17:11:48
● 2018-07-16 15:15:22
○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

●MX3kysht4xb2g435qp7eznef2pusfv3pi6c62zjba52hcwl656f5vq.mx-verification.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●MXalt1.aspmx.l.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●MXalt2.aspmx.l.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●MXalt3.aspmx.l.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●MXalt4.aspmx.l.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

●MXaspmx.l.google.com2026-03-08 → 2026-08-05 · 3 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-08-05 06:45:38

○MXqs3781.pair.com2015-05-23 → 2016-04-03 · 4 obs

● 2015-05-23 17:11:48
● 2016-04-03 18:52:46
○ 2018-07-16 15:15:22
○ 2026-08-05 06:45:38

○MXqs4182.pair.com2018-07-16 → 2018-07-16 · 4 obs

○ 2016-04-03 18:52:46
● 2018-07-16 15:15:22
○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

○A100.52.2.1722026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-08 07:07:18
● 2026-07-11 08:30:18
○ 2026-08-05 06:45:36
○ 2026-08-05 06:45:38

○A18.212.46.1622026-07-11 → 2026-07-11 · 4 obs

○ 2026-03-08 07:07:18
● 2026-07-11 08:30:18
○ 2026-08-05 06:45:36
○ 2026-08-05 06:45:38

○A216.92.183.2422015-05-23 → 2018-07-16 · 4 obs

● 2015-05-23 17:11:48
● 2018-07-16 15:15:22
○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

○A3.228.29.852026-03-08 → 2026-08-05 · 2 obs

○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

○A34.196.235.1632026-03-08 → 2026-03-08 · 5 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-03-08 07:07:18
○ 2026-07-11 08:30:18
○ 2026-08-05 06:45:38

○A34.233.61.12026-03-08 → 2026-03-08 · 5 obs

○ 2018-07-16 15:15:22
● 2026-03-08 03:27:06
● 2026-03-08 07:07:18
○ 2026-07-11 08:30:18
○ 2026-08-05 06:45:38

○A44.195.196.1392026-03-08 → 2026-08-05 · 2 obs

○ 2026-03-08 03:27:06
○ 2026-08-05 06:45:38

●A52.1.175.2382026-08-05 → 2026-08-05 · 3 obs

○ 2026-07-11 08:30:18
● 2026-08-05 06:45:36
● 2026-08-05 06:45:38

●A54.175.142.1222026-08-05 → 2026-08-05 · 3 obs

○ 2026-07-11 08:30:18
● 2026-08-05 06:45:36
● 2026-08-05 06:45:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
kutools.com	ns-538.awsdns-03.net, ns-405.awsdns-50.com	2 records

✅ Authoritative Response

Server:205.251.193.149

NS records: ns-538.awsdns-03.net, ns-405.awsdns-50.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kutools.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.175.142.122, 52.1.175.238`
NS	4	`ns-1187.awsdns-20.org, ns-1575.awsdns-04.co.uk...`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
SOA	1	`ns-538.awsdns-03.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-405.awsdns-50.com, ns-405.awsdns-50.com)

Analysis

Hierarchy

www.kutools.com is a subdomain of kutools.com.

IP Addresses

kutools.com has two IP addresses: 52.1.175.238 and 54.175.142.122

ec2-54-175-142-122.compute-1.amazonaws.com is an example of another host name that shares IP numbers with kutools.com.

Name Servers

The authoritative name servers for kutools.com are ns-405.awsdns-50.com, ns-538.awsdns-03.net, ns-1187.awsdns-20.org and ns-1575.awsdns-04.co.uk.

The name servers of kutools.com overlap at least partially with those of other domains — among them cratosslot647.com, suddenlysewing.com, shophypertech.com and two more.

Each of the four hosts ns-405.awsdns-50.com, ns-538.awsdns-03.net, ns-1187.awsdns-20.org and ns-1575.awsdns-04.co.uk has two IP addresses. ns-405.awsdns-50.com points to 205.251.193.149 and 2600:9000:5301:9500::1. ns-538.awsdns-03.net points to 205.251.194.26 and 2600:9000:5302:1a00::1. ns-1187.awsdns-20.org points to 205.251.196.163 and 2600:9000:5304:a300::1. ns-1575.awsdns-04.co.uk points to 205.251.198.39 and 2600:9000:5306:2700::1.

Mail Servers

kutools.com has 6 mail servers — aspmx.l.google.com, 3kysht4xb2g435qp7eznef2pusfv3pi6c62zjba52hcwl656f5vq.mx-verification.google.com, alt1.aspmx.l.google.com plus 3 other.

kutools.com has at least partial mail server overlap with other domains such as 3dcllc.com, awezingly.com, ns500698.ns500759.ns500758.ns500736.ns500736.ns500698.ns500686.ns500576.ns500652.tracksymphony.com and two more.

These mail servers commonly co-occur with mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c0b::1b.

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

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

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.