`dnsep51.mcmaster.com`

	DNSSEC	⚠️ Not signed
	A	204.94.228.240^{🇺🇸 COGENT204.94.0.0/15 SprintLink}

`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` ⭐
	NS	`a1-3.akam.net` ⚠️ Not in zone NS records
	NS	`a20-66.akam.net` ⚠️ Not in zone NS records
	NS	`a5-67.akam.net` ⚠️ Not in zone NS records
	NS	`a6-64.akam.net` ⚠️ Not in zone NS records
	NS	`a8-65.akam.net` ⚠️ Not in zone NS records
	NS	`a9-66.akam.net` ⚠️ Not in zone NS records
	NS	`ns1-106.akam.net` ⚠️ Not in zone NS records
	NS	`ns1-203.akam.net` ⚠️ Not in zone NS records
	NS	`ns1-25.akam.net` ⚠️ Not in zone NS records
	NS	`ns1.mcmaster.com`
	NS	`ns3.mcmaster.com`
	NS	`ns4.mcmaster.com`
	MX	`mx0a-00570c01.pphosted.com` ⭐
	MX	`mx0b-00570c01.pphosted.com` ⭐
	TXT	`docusign=e7d2700e-0abc-46de-9ae4-ec25ed45fdb7`
	TXT	`v=spf1 ip4:209.64.25.245 ip4:209.64.25.246 ip4:209.64.25.247 ip4:209.64.25.24...`
	TXT	`_00e3btp7pnzoy6pqegfm7fsjjp0x9uw`
	TXT	`notion-domain-verification=hk4fClpkyNxaDpYRpNMju4LWhDtHC9IfPqji2fvE7LU`
	TXT	`atlassian-domain-verification=GNSv9wabNT5xNCz0qSb/2LU6iZpUAc1Za56wsU1hJhgLeST...`
	TXT	`MS=E150D2B549DCBD0EB9D652EE4B78C88D8E94B1F0`
	TXT	`miro-verification=f4e0eeb30859fc7ba1f97fa4226ca3e283c9c863`
	TXT	`_kxi5f2699317hnmzrd20oc6kknc7myl`
	TXT	`apple-domain-verification=TTiWjZN11fZHZBQi`
	TXT	`google-site-verification=yEN1-3qH9KxX3WSAoE2HiMMy4H9TTJoMcGUY8i7hEpI`
	TXT	`MS=ms15831590`
	TXT	`twilio-domain-verification=e479f5ca90dfdbf8f06152e28adbb4f8`
	SOA	`ns2.mcmaster.com`hostmaster@mcmaster.com serial=1708

WOT: SAFE (95/100)
rank #9349 globally
rank #4582 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #15,627

Previously MX for

mcmaster.com

Similar names

n5dspe1.akamaiedge.net

DNS History

1 record (1 active, 0 former)

●A204.94.228.2402015-08-03 → 2026-05-09 · 2 obs

● 2015-08-03 13:22:36
● 2026-05-09 19:13:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
mcmaster.com	ns1.mcmaster.com, ns2.mcmaster.com, ns1-106.akam.net, ns1-25.akam.net...	4 records

✅ Authoritative Response

Server:12.203.197.20

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: 383ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.94.228.240`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

dnsep51.mcmaster.com points to a single IP: 204.94.228.240.

Other host names, for instance dnsep501.mcmasterpipes.mobi, dnsep501.mcmastercarrfiltering.co, dnsep501.mcmaster-carr.us, dnsep501.themcmastercarr.biz and dnsep501.mcmastercarrpipes.mobi share IP numbers with dnsep51.mcmaster.com.

dnsep51.mcmaster.com - robtex.com