`kbrcontractor.com`

DNSSEC	⚠️ Not signed
A	161.51.6.36^{🇺🇸 KBR161.51.4.0/22 CyrusOne - Proxy for Customer}
NS	`udns1.cscdns.net` ⭐
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`udns2.cscdns.uk`
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
TXT	`v=spf1 mx ip4:161.51.3.245 -all`
SOA	`udns1.cscdns.net`hostmaster@cscdns.net 2019-10-11 #12

`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=1785361032

Same first word

kbrcontractor.com

DNS History

10 records (3 active, 7 former)

○NSa4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSf4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSg4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSh4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSj4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSk4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

○NSl4.nstld.com2015-08-19 → 2017-03-14 · 4 obs

● 2015-08-19 09:35:44
● 2017-03-14 19:07:58
○ 2020-03-19 16:30:24
○ 2026-07-29 21:43:52

●NSudns1.cscdns.net2020-03-19 → 2026-07-29 · 3 obs

○ 2017-03-14 19:07:58
● 2020-03-19 16:30:24
● 2026-07-29 21:43:52

●NSudns2.cscdns.uk2020-03-19 → 2026-07-29 · 3 obs

○ 2017-03-14 19:07:58
● 2020-03-19 16:30:24
● 2026-07-29 21:43:52

●A161.51.6.362015-08-19 → 2026-07-29 · 2 obs

● 2015-08-19 09:35:44
● 2026-07-29 21:43:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kbrcontractor.com	udns1.cscdns.net, udns2.cscdns.uk	-

✅ Authoritative Response

Server:204.74.66.1

NS records: udns1.cscdns.net, udns2.cscdns.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbrcontractor.com (unsigned zone)

⏱️ Timing

Total: 2255ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`161.51.6.36`
NS	2	`udns1.cscdns.net, udns2.cscdns.uk`
TXT	1	`v=spf1 mx ip4:161.51.3.245 -all`
SOA	1	`udns1.cscdns.net hostmaster.cscdns.net`

Analysis

IP Addresses

kbrcontractor.com directs to one IP number, which is 161.51.6.36.

Name Servers

DNS delegation for kbrcontractor.com points to two name servers: udns1.cscdns.net and udns2.cscdns.uk.

kbrcontractor.com has the same name server delegation as a number of other domains, such as benefitservicesgroup.net, hancockforest.com, cooking-chef.fr and two more.

kbrcontractor.com partially shares its NS delegation with several other domains, including manulifebanknotes.ca, decathlon.com.hk, workplaceadvisor.ca and two others.

udns1.cscdns.net directs to 204.74.66.1 and 2001:502:f3ff::201. udns2.cscdns.uk directs to 204.74.111.1 and 2001:502:4612::201. Each host name carries two IP addresses.

kbrcontractor.com - robtex.com