`mcmaster.com`

DNSSEC	⚠️ Not signed
A	12.203.197.50^{🇺🇸 AS2203412.203.197.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
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}
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`
TXT	`apple-domain-verification=TTiWjZN11fZHZBQi`
TXT	`MS=E150D2B549DCBD0EB9D652EE4B78C88D8E94B1F0`
TXT	`notion-domain-verification=hk4fClpkyNxaDpYRpNMju4LWhDtHC9IfPqji2fvE7LU`
TXT	`twilio-domain-verification=e479f5ca90dfdbf8f06152e28adbb4f8`
TXT	`google-site-verification=yEN1-3qH9KxX3WSAoE2HiMMy4H9TTJoMcGUY8i7hEpI`
TXT	`v=spf1 ip4:209.64.25.245 ip4:209.64.25.246 ip4:209.64.25.247 ip4:209.64.25.24...`
TXT	`_kxi5f2699317hnmzrd20oc6kknc7myl`
TXT	`atlassian-domain-verification=GNSv9wabNT5xNCz0qSb/2LU6iZpUAc1Za56wsU1hJhgLeST...`
TXT	`miro-verification=f4e0eeb30859fc7ba1f97fa4226ca3e283c9c863`
TXT	`MS=ms15831590`
TXT	`_00e3btp7pnzoy6pqegfm7fsjjp0x9uw`
TXT	`docusign=e7d2700e-0abc-46de-9ae4-ec25ed45fdb7`
SOA	`ns2.mcmaster.com`hostmaster@mcmaster.com serial=1708

`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=1778340216

rank #9252 globally
rank #4540 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #15,636

Subdomains

origin-wwwqual.mcmaster.com

ns2.mcmaster.com

images1qual.mcmaster.com

spmep104.mcmaster.com

spmep504.mcmaster.com

spmep505.mcmaster.com

mcmpop11.mcmaster.com

workday.mcmaster.com

www3.mcmaster.com

spmep507.mcmaster.com

www4.mcmaster.com

dnsep52.mcmaster.com

ns1.mcmaster.com

origin-www.mcmaster.com

eprocurement.mcmaster.com

images1.mcmaster.com

www6.mcmaster.com

spmep107.mcmaster.com

www5.mcmaster.com

spmep106.mcmaster.com

www1qual.mcmaster.com

www1.mcmaster.com

spmep506.mcmaster.com

remoteaccess.mcmaster.com

dnsep501.mcmaster.com

spmep105.mcmaster.com

ns3.mcmaster.com

dnsep502.mcmaster.com

ns4.mcmaster.com

www2.mcmaster.com

correspondence.mcmaster.com

www.mcmaster.com

dnsep101.mcmaster.com

Same first word

mcmaster.supply

mcmaster.ru

mcmaster.mobi

mcmaster.repair

mcmaster.biz

mcmaster.de

mcmaster.io

mcmaster.eu

mcmaster.ca

mcmaster.cn

mcmaster.com.hk

mcmaster.net

mcmaster.pl

mcmaster.co

mcmaster.cz

mcmaster.org

mcmaster.jp

mcmaster.com

mcmaster.parts

mcmaster.se

mcmaster.institute

mcmaster.me

mcmaster.ch

mcmaster.ae

mcmaster.co.uk

mcmaster.in

mcmaster.net.au

mcmaster.university

mcmaster.us

mcmaster.tools

mcmaster.dk

mcmaster.id.au

mcmaster.readthedocs.io

mcmaster.co.kr

Similar names

DNS History

33 records (7 active, 26 former)

○NSa1-3.akam.net2018-04-23 → 2026-04-30 · 31 obs

○ 2018-03-15 00:07:56
● 2018-04-23 11:03:30
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-02-16 12:35:56
● 2026-02-17 01:21:40
○ 2026-02-17 02:31:02
○ 2026-02-17 13:55:06
● 2026-02-17 22:00:58
○ 2026-02-18 17:55:36
○ 2026-02-19 07:14:10
● 2026-02-20 00:31:16
○ 2026-02-21 20:15:18
○ 2026-02-24 09:31:48
● 2026-02-25 22:00:32
○ 2026-03-02 20:29:44
○ 2026-03-06 04:52:06
● 2026-03-08 06:21:54
● 2026-03-08 15:03:20
○ 2026-03-09 05:39:24
○ 2026-03-09 06:41:22
● 2026-03-11 17:22:00
● 2026-03-12 03:03:52
○ 2026-03-13 04:28:56
○ 2026-03-17 10:54:52
● 2026-03-19 17:01:20
○ 2026-03-24 03:28:56
○ 2026-04-26 23:55:22
● 2026-04-30 04:04:46
○ 2026-04-30 18:07:58
○ 2026-05-09 15:39:34

○NSa20-66.akam.net2018-04-23 → 2026-04-30 · 31 obs

○NSa5-67.akam.net2018-04-23 → 2026-04-30 · 31 obs

○NSa6-64.akam.net2018-04-23 → 2026-04-30 · 31 obs

○NSa8-65.akam.net2018-04-23 → 2026-04-30 · 31 obs

○NSa9-66.akam.net2018-04-23 → 2026-04-30 · 31 obs

○NSns1-106.akam.net2015-08-24 → 2026-04-30 · 31 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-02-16 12:35:56
● 2026-02-17 01:21:40
○ 2026-02-17 02:31:02
○ 2026-02-17 13:55:06
● 2026-02-17 22:00:58
○ 2026-02-18 17:55:36
○ 2026-02-19 07:14:10
● 2026-02-20 00:31:16
○ 2026-02-21 20:15:18
○ 2026-02-24 09:31:48
● 2026-02-25 22:00:32
○ 2026-03-02 20:29:44
○ 2026-03-06 04:52:06
● 2026-03-08 06:21:54
● 2026-03-08 15:03:20
○ 2026-03-09 05:39:24
○ 2026-03-09 06:41:22
● 2026-03-11 17:22:00
● 2026-03-12 03:03:52
○ 2026-03-13 04:28:56
○ 2026-03-17 10:54:52
● 2026-03-19 17:01:20
○ 2026-03-24 03:28:56
○ 2026-04-26 23:55:22
● 2026-04-30 04:04:46
○ 2026-04-30 18:07:58
○ 2026-05-09 15:39:34

○NSns1-203.akam.net2015-08-24 → 2026-04-30 · 31 obs

○NSns1-25.akam.net2015-08-24 → 2026-04-30 · 31 obs

●NSns1.mcmaster.com2008-12-11 → 2026-05-09 · 2 obs

● 2008-12-11 15:55:44
● 2026-05-09 15:39:34

●NSns2.mcmaster.com2008-12-11 → 2026-05-09 · 2 obs

● 2008-12-11 15:55:44
● 2026-05-09 15:39:34

●NSns3.mcmaster.com2008-12-11 → 2026-05-09 · 2 obs

● 2008-12-11 15:55:44
● 2026-05-09 15:39:34

○NSns4-64.akam.net2015-08-24 → 2018-03-15 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2018-03-15 00:07:56
○ 2018-04-23 11:03:30
○ 2026-05-09 15:39:34

●NSns4.mcmaster.com2008-12-11 → 2026-05-09 · 2 obs

● 2008-12-11 15:55:44
● 2026-05-09 15:39:34

○NSns5-66.akam.net2015-08-24 → 2018-03-15 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2018-03-15 00:07:56
○ 2018-04-23 11:03:30
○ 2026-05-09 15:39:34

○NSns7-65.akam.net2015-08-24 → 2018-03-15 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2018-03-15 00:07:56
○ 2018-04-23 11:03:30
○ 2026-05-09 15:39:34

○MXdnsep11.mcmaster.com2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 15:55:44
○ 2015-08-24 23:44:22
○ 2026-05-09 15:39:34

○MXdnsep51.mcmaster.com2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 15:55:44
○ 2015-08-24 23:44:22
○ 2026-05-09 15:39:34

●MXmx0a-00570c01.pphosted.com2021-05-03 → 2026-05-09 · 3 obs

○ 2019-04-29 21:36:30
● 2021-05-03 08:50:20
● 2026-05-09 15:39:34

●MXmx0b-00570c01.pphosted.com2021-05-03 → 2026-05-09 · 3 obs

○ 2019-04-29 21:36:30
● 2021-05-03 08:50:20
● 2026-05-09 15:39:34

○MXspmep104.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep105.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep106.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep107.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep504.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep505.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep506.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○MXspmep507.mcmaster.com2015-08-24 → 2019-04-29 · 5 obs

○ 2008-12-11 15:55:44
● 2015-08-24 23:44:22
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

●A12.203.197.502026-05-09 → 2026-05-09 · 3 obs

○ 2026-05-07 16:18:32
● 2026-05-09 15:39:32
● 2026-05-09 15:39:34

○A204.94.228.1502016-10-03 → 2019-04-29 · 9 obs

○ 2016-09-19 10:27:38
● 2016-10-03 05:02:58
● 2016-10-10 11:40:42
○ 2016-10-18 04:25:58
○ 2017-09-12 01:04:12
● 2017-10-21 14:01:44
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○A209.64.25.1492021-05-03 → 2026-05-07 · 5 obs

○ 2019-04-29 21:36:30
● 2021-05-03 08:50:20
● 2026-05-07 16:18:32
○ 2026-05-09 15:39:32
○ 2026-05-09 15:39:34

○A209.64.25.1502016-05-26 → 2019-04-29 · 9 obs

○ 2016-05-14 06:34:02
● 2016-05-26 03:48:38
● 2016-09-19 10:27:38
○ 2016-10-03 05:02:58
○ 2016-10-10 11:40:42
● 2016-10-18 04:25:58
● 2019-04-29 21:36:30
○ 2021-05-03 08:50:20
○ 2026-05-09 15:39:34

○A209.64.25.2302008-12-11 → 2016-05-14 · 4 obs

● 2008-12-11 15:55:44
● 2016-05-14 06:34:02
○ 2016-05-26 03:48:38
○ 2026-05-09 15:39:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mcmaster.com	ns1.mcmaster.com, ns2.mcmaster.com, ns1-106.akam.net, ns1-25.akam.net...	4 records

✅ Authoritative Response

Server:209.64.25.48

NS records: ns1.mcmaster.com, ns2.mcmaster.com, ns1-106.akam.net, ns1-25.akam.net, ns1-203.akam.net, ns3.mcmaster.com, ns4.mcmaster.com, a1-3.akam.net, a5-67.akam.net, a9-66.akam.net, a6-64.akam.net, a8-65.akam.net, a20-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmaster.com (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.203.197.50`
NS	4	`ns3.mcmaster.com, ns4.mcmaster.com...`
MX	2	`mx0a-00570c01.pphosted.com (pri: 0), mx0b-00570c01.pphosted.com (pri: 0)`
TXT	12	`twilio-domain-verification=e479f5ca90dfd, _00e3btp7pnzoy6pqegfm7fsjjp0x9uw...`
SOA	1	`ns2.mcmaster.com hostmaster.mcmaster.com`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

mcmaster.com has children including origin-wwwqual.mcmaster.com, ns2.mcmaster.com, images1qual.mcmaster.com, spmep104.mcmaster.com, spmep504.mcmaster.com and a few other host names.

IP Addresses

mcmaster.com points to a single IP address: 12.203.197.50.

Other host names such as mcmasterstuff.com, mcmastet.com and mcmastercarr-sale.co share IP numbers with mcmaster.com.

Name Servers

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

At least part of the name servers for mcmaster.com are shared with other domains, for instance mcmasterfittings.co, mckaster.com, mcmasterfiltering.biz, mcmasteronline.net and mcmastercarrsupply.com.

These name servers are commonly used with ns1-203.akam.net, ns4-64.akam.net, ns5-66.akam.net and ns7-65.akam.net.

Host names with one IP: ns1.mcmaster.com points to 209.64.25.48; ns2.mcmaster.com points to 12.203.197.20; ns3.mcmaster.com points to 209.64.25.47; ns4.mcmaster.com points to 12.203.197.21.

Mail Servers

mcmaster.com is handled by two mail servers: mx0a-00570c01.pphosted.com and mx0b-00570c01.pphosted.com.

mcmaster.com uses the same mail server setup as other domains, for instance mcmastercarrsupplies.co, mcmasterelectrical.mobi, mcmastermarketing.net, mcmastermachining.org and mcmaster-carr.us.

Hostnames with a single IP

mx0a-00570c01.pphosted.com resolves to: 205.220.166.57.

mx0b-00570c01.pphosted.com resolves to: 205.220.178.57.

mcmaster.com - robtex.com

mcmaster.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`mcmaster.com`

`com`