expression.edu - dns.ninja

`expression.edu`

DNSSEC	⚠️ Not signed
A	54.191.43.82^{🇺🇸 Amazon54.191.0.0/16 EC2 PDX prefix}
		PTR	`ec2-54-191-43-82.us-west-2.compute.amazonaws.com`
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
MX	`alt2.aspmx.l.google.com` ⭐
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx.l.google.com`⁽³⁰⁾
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		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	`alt1.aspmx.l.google.com`⁽⁴⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽⁴⁰⁾
		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`
TXT	`MS=ms85823838`
TXT	`v=spf1 include:_spf.google.com include:mktomail.com ip4:198.35.50.183 ip4:40....`
SOA	`ns1-01.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1783955132

WOT: SAFE (72/100)

Subdomains

www.expression.edu

students.expression.edu

exchange.expression.edu

Same first word

Similar names

expressino.com

pioneersxs.com

proxisense.com

exerpsison.com

inexpresso.com

nioexpress.com

xenospires.com

expresions.com

ionexpress.com

DNS History

22 records (10 active, 12 former)

●NSns1-01.azure-dns.com2026-03-19 → 2026-07-13 · 3 obs

○ 2017-04-06 19:32:48
● 2026-03-19 20:58:12
● 2026-07-13 15:34:16

○NSns1.expression.edu2015-11-22 → 2017-04-06 · 5 obs

○ 2015-07-04 17:24:38
● 2015-11-22 13:31:40
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

●NSns2-01.azure-dns.net2026-03-19 → 2026-07-13 · 3 obs

○ 2017-04-06 19:32:48
● 2026-03-19 20:58:12
● 2026-07-13 15:34:16

○NSns2.expression.edu2015-07-04 → 2017-04-06 · 5 obs

● 2015-07-04 17:24:38
○ 2015-11-22 13:31:40
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

●NSns3-01.azure-dns.org2026-03-19 → 2026-07-13 · 3 obs

○ 2017-04-06 19:32:48
● 2026-03-19 20:58:12
● 2026-07-13 15:34:16

○NSns3.expression.edu2016-02-11 → 2017-04-06 · 5 obs

○ 2015-11-23 15:11:40
● 2016-02-11 17:28:02
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

●NSns4-01.azure-dns.info2026-03-19 → 2026-07-13 · 3 obs

○ 2017-04-06 19:32:48
● 2026-03-19 20:58:12
● 2026-07-13 15:34:16

○NSns5.dnsmadeeasy.com2015-07-04 → 2017-04-06 · 7 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

○NSns6.dnsmadeeasy.com2015-07-04 → 2017-04-06 · 7 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

○NSns7.dnsmadeeasy.com2015-07-04 → 2017-04-06 · 7 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

●MXalt1.aspmx.l.google.com2016-06-26 → 2026-07-13 · 3 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2026-07-13 15:34:16

●MXalt2.aspmx.l.google.com2016-06-26 → 2026-07-13 · 3 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2026-07-13 15:34:16

●MXaspmx.l.google.com2016-06-26 → 2026-07-13 · 3 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2026-07-13 15:34:16

●MXaspmx2.googlemail.com2016-06-26 → 2026-07-13 · 3 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2026-07-13 15:34:16

●MXaspmx3.googlemail.com2016-06-26 → 2026-07-13 · 3 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2026-07-13 15:34:16

○MXmx1.dnsmadeeasy.com2015-07-04 → 2015-11-23 · 4 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
○ 2026-07-13 15:34:16

○MXmx2.dnsmadeeasy.com2015-07-04 → 2015-11-23 · 4 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
○ 2026-07-13 15:34:16

○MXmx3.dnsmadeeasy.com2015-07-04 → 2015-11-23 · 4 obs

● 2015-07-04 17:24:38
● 2015-11-23 15:11:40
○ 2016-02-11 17:28:02
○ 2026-07-13 15:34:16

○MXspamtitan.expression.edu2015-07-04 → 2016-02-11 · 4 obs

● 2015-07-04 17:24:38
● 2016-02-11 17:28:02
○ 2016-06-26 04:24:38
○ 2026-07-13 15:34:16

○A52.8.181.1472016-06-26 → 2017-04-06 · 5 obs

○ 2016-02-11 17:28:02
● 2016-06-26 04:24:38
● 2017-04-06 19:32:48
○ 2026-03-19 20:58:12
○ 2026-07-13 15:34:16

●A54.191.43.822026-03-19 → 2026-07-13 · 3 obs

○ 2017-04-06 19:32:48
● 2026-03-19 20:58:12
● 2026-07-13 15:34:16

○A66.211.106.582015-07-04 → 2016-02-11 · 4 obs

● 2015-07-04 17:24:38
● 2016-02-11 17:28:02
○ 2016-06-26 04:24:38
○ 2026-07-13 15:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
expression.edu	ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info	-

✅ Authoritative Response

Server:13.107.236.1

NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expression.edu (unsigned zone)

⏱️ Timing

Total: 2400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.191.43.82`
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
MX	7	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	2	`MS=ms85823838, v=spf1 include:_spf.google.com include:m`
SOA	1	`ns1-01.azure-dns.com azuredns-hostmaster`

Analysis

Hierarchy

www.expression.edu, students.expression.edu and exchange.expression.edu each fall under the parent domain expression.edu.

IP Addresses

expression.edu has exactly one IP address — 54.191.43.82.

sae-us.com and ec2-54-191-43-82.us-west-2.compute.amazonaws.com, along with other host names, share IP addresses with expression.edu.

Name Servers

Four name servers handle the delegation for expression.edu: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

expression.edu partially shares its NS delegation with several other domains, including surreylife.co.uk, mbsgroep.be, centralindia.cloudapp.azure.com and two others.

ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org each carry two IP addresses. ns1-01.azure-dns.com has 13.107.236.1 and 2603:1061:0:700::1; ns4-01.azure-dns.info has 208.84.5.1 and 2620:1ec:bda:700::1; ns2-01.azure-dns.net has 150.171.21.1 and 2620:1ec:8ec:700::1; ns3-01.azure-dns.org has 204.14.183.1 and 2a01:111:4000:700::1.

Mail Servers

expression.edu is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by expression.edu are shared with other domains: kimleephotography.com, theashtonfamily.org, dct-software.com and two others among them.

These mail servers are often deployed together with alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.