`mcmasterdistributors.info`

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

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1777274578

Same first word

mcmasterdistributors.com

mcmasterdistributors.biz

mcmasterdistributors.info

DNS History

16 records (7 active, 9 former)

●NSns1.mcmaster.com2015-07-04 → 2026-04-27 · 2 obs

● 2015-07-04 07:53:38
● 2026-04-27 07:40:26

●NSns2.mcmaster.com2015-07-04 → 2026-04-27 · 2 obs

● 2015-07-04 07:53:38
● 2026-04-27 07:40:26

●NSns3.mcmaster.com2015-07-04 → 2026-04-27 · 2 obs

● 2015-07-04 07:53:38
● 2026-04-27 07:40:26

●NSns4.mcmaster.com2015-07-04 → 2026-04-27 · 2 obs

● 2015-07-04 07:53:38
● 2026-04-27 07:40:26

●MXmx0a-00570c01.pphosted.com2026-03-01 → 2026-04-27 · 3 obs

○ 2017-11-25 22:58:40
● 2026-03-01 15:35:00
● 2026-04-27 07:40:26

●MXmx0b-00570c01.pphosted.com2026-03-01 → 2026-04-27 · 3 obs

○ 2017-11-25 22:58:40
● 2026-03-01 15:35:00
● 2026-04-27 07:40:26

○MXspmep104.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep105.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep106.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep107.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep504.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep505.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep506.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

○MXspmep507.mcmaster.com2015-07-04 → 2017-11-25 · 4 obs

● 2015-07-04 07:53:38
● 2017-11-25 22:58:40
○ 2026-03-01 15:35:00
○ 2026-04-27 07:40:26

●A209.64.25.1502017-11-25 → 2026-04-27 · 3 obs

○ 2016-12-30 18:21:20
● 2017-11-25 22:58:40
● 2026-04-27 07:40:26

○A209.64.25.2302015-07-04 → 2016-12-30 · 4 obs

● 2015-07-04 07:53:38
● 2016-12-30 18:21:20
○ 2017-11-25 22:58:40
○ 2026-04-27 07:40:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info	-
mcmasterdistributors.info	ns4.mcmaster.com, ns2.mcmaster.com, ns1.mcmaster.com, ns3.mcmaster.com	-

✅ Authoritative Response

Server:12.203.197.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmasterdistributors.info (unsigned zone)

⏱️ Timing

Total: 440ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.64.25.150`
NS	4	`ns3.mcmaster.com, ns1.mcmaster.com...`
MX	2	`mx0a-00570c01.pphosted.com (pri: 0), mx0b-00570c01.pphosted.com (pri: 0)`
SOA	1	`ns2.mcmaster.com hostmaster.mcmaster.com`

Analysis

IP Addresses

mcmasterdistributors.info resolves to one IP number: 209.64.25.150.

Other host names, for instance mcmastercarrsale.mobi, tmcmaster.com, mcmaster.cz, mcmastertools.com and salemcmastercarr.net share IP numbers with mcmasterdistributors.info.

Name Servers

mcmasterdistributors.info delegates to four name servers: ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com and ns4.mcmaster.com.

mcmasterdistributors.info at least partially shares name servers with other domains, including mcmastre.com, mcmastertools.biz, mcmastercarr.me, carrmcmaster.info and mcmastercarrfiltering.com.

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

mcmasterdistributors.info is served by two mail servers mx0a-00570c01.pphosted.com and mx0b-00570c01.pphosted.com.

mcmasterdistributors.info shares the same mail server setup as other domains, for instance e-mcmaster.com, mcmasterdistributors.com, mcmasterdistributors.biz, mcmastercarrfiltering.biz and sale-mcmastercarr.co.

Host names with a single IP address: mx0a-00570c01.pphosted.com points to 205.220.166.57; mx0b-00570c01.pphosted.com points to 205.220.178.57.

mcmasterdistributors.info - robtex.com