`mcmastercarrplumbing.com`

DNSSEC	⚠️ Not signed
A	209.64.25.150^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
		PTR	`mcmaster.cn`
		PTR	`mcmater.com`
		PTR	`mcmaster-carr.nl`
		PTR	`mcmastercarr.nl`
		PTR	`mcmaster-carr.ru`
		PTR	`mcmastercarr.ru`
		PTR	`mcmaster-carr.uk`
		PTR	`mcmastercarr.uk`
		PTR	`mcmastercarr.us`
		PTR	`correspondence.mcmaster.com`
		PTR	`www.mcmater.com`
		PTR	`www.mcmaster-carr.nl`
		PTR	`www.mcmaster-carr.ru`
		PTR	`www.mcmastercarr.ru`
		PTR	`www.mcmaster-carr.uk`
		PTR	`www.mcmastercarr.uk`
		PTR	`www.mcmastercarr.us`
		PTR	`www.correspondence.mcmaster.com`
NS	`ns2.mcmaster.com` ⭐
		A	12.203.197.20^{🇺🇸 AS2203412.203.197.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
NS	`ns1.mcmaster.com`
		A	209.64.25.48^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns1.mcmaster.com`
NS	`ns3.mcmaster.com`
		A	209.64.25.47^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns3.mcmaster.com`
NS	`ns4.mcmaster.com`
		A	12.203.197.21^{🇺🇸 AS2203412.203.197.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`dnsep5002.mcmaster.com`
MX	`mx0a-00570c01.pphosted.com` ⭐
		A	205.220.166.57^{🇺🇸 Proofpoint205.220.166.0/24 Inc.}
			PTR	`mx0a-00570c01.pphosted.com`
MX	`mx0b-00570c01.pphosted.com` ⭐
		A	205.220.178.57^{🇺🇸 Proofpoint205.220.178.0/24 Inc.}
			PTR	`mx0b-00570c01.pphosted.com`
SOA	`ns2.mcmaster.com`hostmaster@mcmaster.com serial=948

`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=1777263241

Subdomains

dnsep101.mcmastercarrplumbing.com

Same first word

mcmastercarrplumbing.net

mcmastercarrplumbing.com

DNS History

16 records (7 active, 9 former)

●NSns1.mcmaster.com2015-08-12 → 2026-04-27 · 2 obs

● 2015-08-12 04:10:22
● 2026-04-27 04:36:28

●NSns2.mcmaster.com2015-08-12 → 2026-04-27 · 2 obs

● 2015-08-12 04:10:22
● 2026-04-27 04:36:28

●NSns3.mcmaster.com2015-08-12 → 2026-04-27 · 2 obs

● 2015-08-12 04:10:22
● 2026-04-27 04:36:28

●NSns4.mcmaster.com2015-08-12 → 2026-04-27 · 2 obs

● 2015-08-12 04:10:22
● 2026-04-27 04:36:28

●MXmx0a-00570c01.pphosted.com2026-02-25 → 2026-04-27 · 3 obs

○ 2017-04-19 16:21:20
● 2026-02-25 09:28:06
● 2026-04-27 04:36:28

●MXmx0b-00570c01.pphosted.com2026-02-25 → 2026-04-27 · 3 obs

○ 2017-04-19 16:21:20
● 2026-02-25 09:28:06
● 2026-04-27 04:36:28

○MXspmep104.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep105.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep106.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep107.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep504.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep505.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep506.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

○MXspmep507.mcmaster.com2015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

●A209.64.25.1502026-02-25 → 2026-04-27 · 3 obs

○ 2017-04-19 16:21:20
● 2026-02-25 09:28:06
● 2026-04-27 04:36:28

○A209.64.25.2302015-08-12 → 2017-04-19 · 4 obs

● 2015-08-12 04:10:22
● 2017-04-19 16:21:20
○ 2026-02-25 09:28:06
○ 2026-04-27 04:36:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
mcmastercarrplumbing.com	ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com, ns4.mcmaster.com	4 records

✅ Authoritative Response

Server:209.64.25.48

NS records: ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com, ns4.mcmaster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmastercarrplumbing.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.64.25.150`
NS	4	`ns4.mcmaster.com, ns1.mcmaster.com...`
MX	2	`mx0b-00570c01.pphosted.com (pri: 0), mx0a-00570c01.pphosted.com (pri: 0)`
SOA	1	`ns2.mcmaster.com hostmaster.mcmaster.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com...)

Analysis

Hierarchy

mcmastercarrplumbing.com is the parent of dnsep101.mcmastercarrplumbing.com.

IP Addresses

mcmastercarrplumbing.com resolves to a single IP: 209.64.25.150.

Other host names, for instance mcmastercarr.tools, www.mcmaster-carr.ru, themcmastercarr.mobi, mcmaster-carr.net and emcmastercarr.biz share IP numbers with mcmastercarrplumbing.com.

Name Servers

mcmastercarrplumbing.com is delegated to four name servers: ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com and ns4.mcmaster.com.

mcmastercarrplumbing.com shares some name servers with other domains, for example mcmasters.biz, mcmasterplumbing.org, mcmastercarrfiltering.info, mcmastercarrmachinery.co and mcmasterelectronics.biz.

Host names with a single IP

ns1.mcmaster.com resolves to 209.64.25.48

ns2.mcmaster.com resolves to 12.203.197.20

ns3.mcmaster.com resolves to 209.64.25.47

ns4.mcmaster.com resolves to 12.203.197.21

Mail Servers

mcmastercarrplumbing.com is served by two mail servers: mx0a-00570c01.pphosted.com and mx0b-00570c01.pphosted.com.

mcmastercarrplumbing.com shares the mail server setup with other domains, for example mcmastercarr.us, mcmastercarrsupplies.co, mcmasterelectrical.mobi, mcmastermarketing.net and mcmastermachining.org.

Host names with a single IP:

mx0a-00570c01.pphosted.com points to 205.220.166.57

mx0b-00570c01.pphosted.com points to 205.220.178.57

mcmastercarrplumbing.com - robtex.com