`mcmasterscarr.com`

DNSSEC	⚠️ Not signed
A	79.137.75.5^{🇫🇷 OVH79.137.0.0/17}
		PTR	`mcmasterscarr.com`
NS	`pns71.cloudns.net` ⭐ ⚠️ Not in parent delegation
		A	2a06:fb00:2::1:12^{🇧🇬 CLOUDNSNET2a06:fb00:2::/48 ClouDNS}
			PTR	`pns71.cloudns.net`
		A	45.83.248.12^{🇧🇬 CLOUDNSNET45.83.248.0/24 Cloud DNS Ltd}
			PTR	`pns71.cloudns.net`
NS	`ns1.mcmasterscarr.com` ⚠️ Not in zone NS records
NS	`ns2.mcmasterscarr.com` ⚠️ Not in zone NS records
NS	`ns74.cloudns.uk` ⚠️ Not in parent delegation
		A	2a0b:1640:1:1:1:1:1ce8:3446^{🇧🇬 Publicloud2a0b:1640:1::/48 PubliCloud}
			PTR	`ns74.cloudns.net`
		A	185.206.180.55^{🇩🇪 Publicloud185.206.180.0/24 PubliCloud}
			PTR	`ns74.cloudns.net`
NS	`pns72.cloudns.net` ⚠️ Not in parent delegation
		A	2a06:fb00:2::2:12^{🇧🇬 CLOUDNSNET2a06:fb00:2::/48 ClouDNS}
			PTR	`pns72.cloudns.com`
		A	45.83.249.12^{🇧🇬 CLOUDNSNET45.83.249.0/24 Cloud DNS Ltd}
			PTR	`pns72.cloudns.com`
NS	`pns73.cloudns.com` ⚠️ Not in parent delegation
		A	2a06:fb00:2::3:12^{🇧🇬 CLOUDNSNET2a06:fb00:2::/48 ClouDNS}
			PTR	`pns73.cloudns.net`
		A	45.83.250.12^{🇧🇬 CLOUDNSNET45.83.250.0/24 Cloud DNS Ltd}
			PTR	`pns73.cloudns.net`
MX	`contact.mcmasterscarr.com` ⭐
		A	79.137.75.5^{🇫🇷 OVH79.137.0.0/17}
			PTR	`mcmasterscarr.com`
TXT	`v=spf1 ip4:79.137.75.5 ~all`
SOA	`pns71.cloudns.net`support@cloudns.net serial=1978062050

`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=1777246701

PTR for

5.75.137.79.in-addr.arpa

Subdomains

ns1.mcmasterscarr.com

contact.mcmasterscarr.com

ns2.mcmasterscarr.com

Same first word

mcmasterscarr.com

DNS History

20 records (8 active, 12 former)

○NSns1.hastydns.com2015-07-05 → 2016-06-20 · 7 obs

○ 2008-03-20 13:07:28
● 2015-07-05 16:06:10
○ 2015-11-26 03:05:42
● 2016-03-04 02:18:12
● 2016-06-20 00:52:42
○ 2017-07-07 05:40:10
○ 2026-04-26 23:42:20

●NSns1.mcmasterscarr.com2015-11-26 → 2026-04-26 · 6 obs

○ 2015-07-05 16:06:10
● 2015-11-26 03:05:42
○ 2016-03-04 02:18:12
○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

○NSns1.rentondc.com2017-07-07 → 2017-07-07 · 4 obs

○ 2016-06-20 00:52:42
● 2017-07-07 05:40:10
○ 2026-04-22 12:12:24
○ 2026-04-26 23:42:20

○NSns2.hastydns.com2015-07-05 → 2016-06-20 · 7 obs

○ 2008-03-20 13:07:28
● 2015-07-05 16:06:10
○ 2015-11-26 03:05:42
● 2016-03-04 02:18:12
● 2016-06-20 00:52:42
○ 2017-07-07 05:40:10
○ 2026-04-26 23:42:20

●NSns2.mcmasterscarr.com2026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

○NSns2.rentondc.com2017-07-07 → 2017-07-07 · 4 obs

○ 2016-06-20 00:52:42
● 2017-07-07 05:40:10
○ 2026-04-22 12:12:24
○ 2026-04-26 23:42:20

●NSns74.cloudns.uk2026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

●NSpns71.cloudns.net2026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

●NSpns72.cloudns.net2026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

●NSpns73.cloudns.com2026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

●MXcontact.mcmasterscarr.com2026-04-22 → 2026-04-26 · 3 obs

○ 2015-07-05 16:06:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

○MXnullmx.mcmasterscarr.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 13:07:28
○ 2015-07-05 16:06:10
○ 2026-04-26 23:42:20

○A158.69.143.1122017-07-07 → 2017-07-07 · 4 obs

○ 2016-06-20 00:52:42
● 2017-07-07 05:40:10
○ 2026-04-22 12:12:24
○ 2026-04-26 23:42:20

○A217.68.70.692008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 13:07:28
○ 2015-07-05 16:06:10
○ 2026-04-26 23:42:20

○A51.254.28.1602017-07-07 → 2017-07-07 · 4 obs

○ 2016-06-20 00:52:42
● 2017-07-07 05:40:10
○ 2026-04-22 12:12:24
○ 2026-04-26 23:42:20

○A69.162.80.532015-07-05 → 2015-07-05 · 4 obs

○ 2008-03-20 13:07:28
● 2015-07-05 16:06:10
○ 2017-07-07 05:40:10
○ 2026-04-26 23:42:20

○A69.162.80.552016-06-20 → 2016-06-20 · 4 obs

○ 2016-03-04 02:18:12
● 2016-06-20 00:52:42
○ 2017-07-07 05:40:10
○ 2026-04-26 23:42:20

●A79.137.75.52026-04-22 → 2026-04-26 · 3 obs

○ 2017-07-07 05:40:10
● 2026-04-22 12:12:24
● 2026-04-26 23:42:20

○A95.211.117.2062015-07-05 → 2015-11-26 · 5 obs

○ 2008-03-20 13:07:28
● 2015-07-05 16:06:10
● 2015-11-26 03:05:42
○ 2016-03-04 02:18:12
○ 2026-04-26 23:42:20

○A95.211.219.652016-03-04 → 2016-03-04 · 4 obs

○ 2015-11-26 03:05:42
● 2016-03-04 02:18:12
○ 2016-06-20 00:52:42
○ 2026-04-26 23:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mcmasterscarr.com	ns1.mcmasterscarr.com, ns2.mcmasterscarr.com	2 records

✅ Authoritative Response

Server:51.38.243.13

NS records: ns1.mcmasterscarr.com, ns2.mcmasterscarr.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmasterscarr.com (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.137.75.5`
NS	4	`pns73.cloudns.com, pns71.cloudns.net...`
MX	1	`contact.mcmasterscarr.com (pri: 0)`
TXT	1	`v=spf1 ip4:79.137.75.5 ~all`
SOA	1	`pns71.cloudns.net support.cloudns.net`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.mcmasterscarr.com, ns2.mcmasterscarr.com)

Analysis

Hierarchy

mcmasterscarr.com is parent of ns1.mcmasterscarr.com, contact.mcmasterscarr.com and ns2.mcmasterscarr.com.

IP Addresses

mcmasterscarr.com points to a single IP: 79.137.75.5.

Other host names, for instance contact.mcmasterscarr.com, vps-9eac37ea.vps.ovh.net and 5.ip-79-137-75.eu share IP numbers with mcmasterscarr.com.

Name Servers

mcmasterscarr.com is delegated to six name servers: pns73.cloudns.com, ns1.mcmasterscarr.com, ns2.mcmasterscarr.com, pns71.cloudns.net, pns72.cloudns.net and ns74.cloudns.uk.

mcmasterscarr.com at least partially shares its name servers with other domains, for instance hjs-motorsport.com, cloudcanopy.com, scan-ledger.vg, thekingslibrary.cloud-ip.cc and anduaga.com.ar.

These name servers are commonly used with pns74.cloudns.uk, ns71.cloudns.net, pns73.cloudns.net, pns72.cloudns.com, ns72.cloudns.com, ns73.cloudns.net, ns72.cloudns.net, ns73.cloudns.com, ns1.buybrands.com and ns2.buybrands.com.

Host names with two IPs: pns73.cloudns.com points to 2a06:fb00:2::3:12 and 45.83.250.12; pns71.cloudns.net points to 2a06:fb00:2::1:12 and 45.83.248.12; pns72.cloudns.net points to 2a06:fb00:2::2:12 and 45.83.249.12; ns74.cloudns.uk points to 2a0b:1640:1:1:1:1:1ce8:3446 and 185.206.180.55.

Mail Servers

mcmasterscarr.com is served by a single mail server, contact.mcmasterscarr.com.

contact.mcmasterscarr.com points to IP number 79.137.75.5.

mcmasterscarr.com - robtex.com