`mcmasterpipes.mobi`

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}
			PTR	`ns1.tmcmaster.com`
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`
SOA	`ns2.mcmaster.com`hostmaster@mcmaster.com serial=960

`mobi`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.mobi.afilias-nst.info` ⭐
	NS	`a2.mobi.afilias-nst.info`
	NS	`b0.mobi.afilias-nst.org`
	NS	`b2.mobi.afilias-nst.org`
	NS	`c0.mobi.afilias-nst.info`
	NS	`d0.mobi.afilias-nst.org`
	SOA	`a0.mobi.afilias-nst.info`hostmaster@donuts.email serial=1778412386

Subdomains

dnsep501.mcmasterpipes.mobi

Same first word

mcmasterpipes.info

Similar names

mcpipemasters.com

DNS History

17 records (7 active, 10 former)

●NSns1.mcmaster.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 00:49:38
● 2026-05-10 12:07:42

●NSns2.mcmaster.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 00:49:38
● 2026-05-10 12:07:42

●NSns3.mcmaster.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 00:49:38
● 2026-05-10 12:07:42

●NSns4.mcmaster.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 00:49:38
● 2026-05-10 12:07:42

●MXmx0a-00570c01.pphosted.com2026-05-10 → 2026-05-10 · 3 obs

○ 2020-03-17 13:11:52
● 2026-05-10 12:07:40
● 2026-05-10 12:07:42

●MXmx0b-00570c01.pphosted.com2026-05-10 → 2026-05-10 · 3 obs

○ 2020-03-17 13:11:52
● 2026-05-10 12:07:40
● 2026-05-10 12:07:42

○MXspmep104.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep105.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep106.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep107.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep504.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep505.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep506.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○MXspmep507.mcmaster.com2015-08-19 → 2020-03-17 · 4 obs

● 2015-08-19 00:49:38
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

●A12.203.197.502026-05-10 → 2026-05-10 · 3 obs

○ 2020-03-17 13:11:52
● 2026-05-10 12:07:40
● 2026-05-10 12:07:42

○A209.64.25.1502020-03-17 → 2020-03-17 · 4 obs

○ 2017-03-25 10:48:00
● 2020-03-17 13:11:52
○ 2026-05-10 12:07:40
○ 2026-05-10 12:07:42

○A209.64.25.2302015-08-19 → 2017-03-25 · 4 obs

● 2015-08-19 00:49:38
● 2017-03-25 10:48:00
○ 2020-03-17 13:11:52
○ 2026-05-10 12:07:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mobi	a0.mobi.afilias-nst.info, a2.mobi.afilias-nst.info, b0.mobi.afilias-nst.org, b2.mobi.afilias-nst.org...	12 records
mcmasterpipes.mobi	ns1.mcmaster.com, ns3.mcmaster.com, ns2.mcmaster.com, ns4.mcmaster.com	-

✅ Authoritative Response

Server:12.203.197.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmasterpipes.mobi (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`12.203.197.50`
NS	4	`ns1.mcmaster.com, ns2.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: 12

Out-of-bailiwick: 12 (a0.mobi.afilias-nst.info, a2.mobi.afilias-nst.info, b0.mobi.afilias-nst.org...)

Analysis

Hierarchy

mcmasterpipes.mobi is the parent of dnsep501.mcmasterpipes.mobi.

IP Addresses

mcmasterpipes.mobi resolves to one IP number: 12.203.197.50.

other host names including mcmaster.biz, mcmasterstuff.com, mcmastet.com, salemcmastercarr.net and mcmaster.com share IP numbers with mcmasterpipes.mobi.

Name Servers

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

mcmasterpipes.mobi at least partially shares name servers with other domains, for instance sale-mcmastercarr.net, mcmastertools.mobi, mcmastercarrsale.biz, mcmastercarr.net and mcmasterfittings.info.

Host names with one IP number: 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

Two mail servers handle mcmasterpipes.mobi: mx0a-00570c01.pphosted.com and mx0b-00570c01.pphosted.com.

mcmasterpipes.mobi shares the same mail server setup as other domains, for instance mcmastercarronline.mobi, mcmaster.com, mcmastercarrplumbing.net, mcmaster.parts and mcm-c.com.

mcmasterpipes.mobi shares some mail servers with other domains, at least partially, for instance buymcmaster.co, mcmasterfittings.co, mckaster.com, mcmasterfiltering.biz and mcmasteronline.net.

Host names with one IP number:

mx0a-00570c01.pphosted.com points to 205.220.166.57

mx0b-00570c01.pphosted.com points to 205.220.178.57

mcmasterpipes.mobi - robtex.com