`mcdowelltech.edu`

DNSSEC	⚠️ Not signed
A	216.222.199.72^{🇺🇸 ONIAAS216.222.196.0/22 325 Delaware Avenue Suite 300 Buffalo NY 14202 United States}
		PTR	`sh-cp12.lax2.servername.online`
NS	`ns-01.mcnc.org` ⭐
		A	2600:2700:f00::^{🇺🇸 NCREN2600:2700::/28 Autogenerated route object}
			PTR	`ns-01.mcnc.org`
		A	152.45.127.1^{🇺🇸 NCREN152.45.0.0/16 Autogenerated route object}
			PTR	`ns-01.mcnc.org`
NS	`ns-02.mcnc.org`
		A	2600:2700:f00:1::^{🇺🇸 NCREN2600:2700::/28 Autogenerated route object}
			PTR	`ns-02.mcnc.org`
		A	192.101.21.1^{🇺🇸 NCREN192.101.21.0/24 Autogenerated route object}
			PTR	`ncnoc.ncren.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`27.06.2023`
TXT	`v=spf1 mx include:_spf.google.com include:spf.cfi.org ip4:152.27.18.110 -all`
TXT	`29.06.2023`
TXT	`google-site-verification=gCrvL-B9UFdtNwqZuE2TMYxoOM-V-RriRVpwAK3NG0E`
TXT	`google-site-verification=QYmUUZT-3cdRc30MRFlF1wvIJ7kY9YEAT2DunI1jfD8`
TXT	`MS=F5909E5737B66AC0B1F72CEF6E40E646B98BB272`
SOA	`ns-01.mcnc.org`hostmaster@ncren.net 2025-12-01 #0

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1781146123

rank #932881 globally
rank #3929 in the tld

Subdomains

www.mcdowelltech.edu

mail.mcdowelltech.edu

Same first word

mcdowelltech.edu

DNS History

12 records (8 active, 4 former)

○NSchlt-ns1.ncren.net2015-08-12 → 2017-03-31 · 4 obs

● 2015-08-12 13:57:30
● 2017-03-31 10:22:56
○ 2026-02-16 01:43:44
○ 2026-06-11 02:49:16

○NSncnoc.ncren.net2015-08-12 → 2017-03-31 · 4 obs

● 2015-08-12 13:57:30
● 2017-03-31 10:22:56
○ 2026-02-16 01:43:44
○ 2026-06-11 02:49:16

●NSns-01.mcnc.org2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

●NSns-02.mcnc.org2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

○NSreggae.ncren.net2015-08-12 → 2017-03-31 · 4 obs

● 2015-08-12 13:57:30
● 2017-03-31 10:22:56
○ 2026-02-16 01:43:44
○ 2026-06-11 02:49:16

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

●MXaspmx.l.google.com2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

●MXaspmx2.googlemail.com2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

●MXaspmx3.googlemail.com2026-02-16 → 2026-06-11 · 3 obs

○ 2017-03-31 10:22:56
● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

○MXmail.mcdowelltech.edu2015-08-12 → 2017-03-31 · 4 obs

● 2015-08-12 13:57:30
● 2017-03-31 10:22:56
○ 2026-02-16 01:43:44
○ 2026-06-11 02:49:16

●A216.222.199.722026-02-16 → 2026-06-11 · 2 obs

● 2026-02-16 01:43:44
● 2026-06-11 02:49:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
mcdowelltech.edu	ns-01.mcnc.org, ns-02.mcnc.org	-

✅ Authoritative Response

Server:192.101.21.1

NS records: ns-01.mcnc.org, ns-02.mcnc.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcdowelltech.edu (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.222.199.72`
NS	2	`ns-02.mcnc.org, ns-01.mcnc.org`
MX	5	`aspmx2.googlemail.com (pri: 10), aspmx3.googlemail.com (pri: 10)...`
TXT	6	`v=spf1 mx include:_spf.google.com includ, 27.06.2023...`
SOA	1	`ns-01.mcnc.org hostmaster.ncren.net`

Analysis

Hierarchy

www.mcdowelltech.edu and mail.mcdowelltech.edu each fall under mcdowelltech.edu as their parent domain.

IP Addresses

mcdowelltech.edu resolves to just one IP address, 216.222.199.72.

Two other host names, along with arris.ca, gnosis.ca and humanjoelabs.com, also share IP numbers with mcdowelltech.edu.

Name Servers

DNS delegation for mcdowelltech.edu points to two name servers: ns-01.mcnc.org and ns-02.mcnc.org.

mcdowelltech.edu shares its NS records with other domains, for example 73.85.198.in-addr.arpa, cabarruscounty.us, bcswan.net and two others.

mcdowelltech.edu has at least partial name server overlap with other domains, such as 34.152.in-addr.arpa, randolph.edu, 2.152.in-addr.arpa and two others.

ncnoc.ncren.net, ns2.unc.edu and ns.unc.edu — plus 7 other name servers — are commonly paired with these name servers.

ns-01.mcnc.org directs to 152.45.127.1 and 2600:2700:f00::. ns-02.mcnc.org directs to 192.101.21.1 and 2600:2700:f00:1::. Each host name carries two IP addresses.

Mail Servers

Mail for mcdowelltech.edu is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between mcdowelltech.edu and other domains, including nextal.com, carysfortgroup.com, addebro.com and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com has two IP addresses: 172.253.63.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

Host names pointing to 2800:3f0:4003:c0f::1a IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 2a00:1450:400b:c02::1a IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.