sinclair.edu - dns.ninja

`sinclair.edu`

DNSSEC	⚠️ Not signed
A	140.106.57.49^{🇺🇸 SINCLAIR-32178140.106.48.0/20 140.106.48.0/20}
		PTR	`sinclair360.com`
		PTR	`sinclair.edu`
		PTR	`www.sinclair.edu`
NS	`segovia.sinclair.edu` ⭐ ⚠️ Not in parent delegation
		A	140.106.49.4^{🇺🇸 SINCLAIR-32178140.106.48.0/20 140.106.48.0/20}
			PTR	`segovia.sinclair.edu`
NS	`ns1.oar.net` ⚠️ Not in parent delegation
		A	192.88.193.144^{🇺🇸 OARNET-1192.88.193.0/24 OARnet}
			PTR	`ns1.oar.net`
NS	`ns4.oar.net`
		A	2610:a8:2004::2^{🇺🇸 OARNET-12610:a8::/32 2610:A8::/32}
			PTR	`ns4.oar.net`
			PTR	`clevb-ns4.eng.oar.net`
		A	199.18.199.2^{🇺🇸 OARNET-1199.18.0.0/16 OARnet}
			PTR	`ns4.oar.net`
NS	`ns5.oar.net`
		A	2610:a8:2005::2^{🇺🇸 OARNET-12610:a8::/32 2610:A8::/32}
			PTR	`ns5.oar.net`
			PTR	`dytnq-ns5.eng.oar.net`
		A	199.218.199.2^{🇺🇸 OARNET-1199.218.0.0/16 OARnet}
			PTR	`ns5.oar.net`
NS	`ns6.oar.net`
		A	2610:a8:2006::2^{🇺🇸 OARNET-12610:a8::/32 2610:A8::/32}
			PTR	`ns6.oar.net`
			PTR	`clmbn-ns6.eng.oar.net`
		A	157.134.199.2^{🇺🇸 OARNET-1157.134.0.0/16 OARnet}
			PTR	`ns6.oar.net`
NS	`ns7.oar.net`
		A	2610:a8:2007::2^{🇺🇸 OARNET-12610:a8::/32 2610:A8::/32}
			PTR	`ns7.oar.net`
			PTR	`clmbn-ns7.eng.oar.net`
		A	206.244.199.2^{🇺🇸 OARNET-1206.244.0.0/16 OARnet 206.244.0.0/16}
			PTR	`ns7.oar.net`
MX	`sinclair-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
TXT	`MS=ms46025137`
TXT	`ms46025137.msv1.invalid.outlook.com`
TXT	`dEXta956YA1DIkI+L7MZWysRY+Rt0Vok5BNey0MY/kii+7eaMCm2QZqANqRvSImMYOPCU8e6Cb1v0...`
TXT	`a364l2al732a4kmspsl27aq6jd`
TXT	`_globalsign-domain-verification=JD-2x7v4Bu5aKl2x_OZTunpExqrEUmqhdOA_-Wpv3N`
TXT	`d365mktkey=Xic9oyjbh9OxLNJXTsV5mgC3tx4OwMecyx9b1exjGzwx`
TXT	`globalsign-domain-verification=31rOHszEfxnB4Vbm4SVsqV15lgIEbSqJiA97HBJ8vo`
TXT	`d365mktkey=EPxvnQn4SlyDsKT5nAKhfg2fbAu1L3dfGuz61AVArs0x`
TXT	`e2ma-verification=nbreb`
TXT	`v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=6wjdlcryvvlq673h3u4ehtbwpko...`
TXT	`_globalsign-domain-verification=omwkmagmInmTbMcfd62bRqjhRPlofV5IX0yg6VF1-N`
TXT	`_globalsign-domain-verification=Ml6wgik_pP-R4mIkNYtN7d1OaIF1r0UdUfBX1CYTVI`
TXT	`_globalsign-domain-verification=0SGfs9vlk9bgDT2xJxZ8oWjX3qIqAAzZ7rhzc8rq1S`
TXT	`_globalsign-domain-verification=tst0OBlMvGlko8dQcAHhWrsXizXcqnnFzdVwIH8P5R`
TXT	`00DVB000005zk7t=1TBVB00000001SL`
TXT	`00DE0000000KWgk=1TBUX00000000rF`
TXT	`76d99997-44f0-45a5-96b5-c87ffce24cf9`
TXT	`_globalsign-domain-verification=pyFP3w0aue3mU2WRFebBcxo7NH-2Edv9gGAoaV639B`
TXT	`AAC2EBBBAA222C7E9A1A684C62EE52981EB5C630`
TXT	`v=spf1 include:16qffxo2t.spf.checkpoint-spf.com include:spf.protection.outloo...`
SOA	`segovia.sinclair.edu`root@sinclair.edu serial=678057899

`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=1784819977

rank #98666 globally
rank #1363 in the tld
WOT: SAFE (66/100)
📈 Tranco rank: #128,671

Subdomains

alert.sinclair.edu

elearn.sinclair.edu

faqs.sinclair.edu

data.sinclair.edu

www.sinclair.edu

wowzase.sinclair.edu

mx.sinclair.edu

uportal5test.sinclair.edu

myportal.sinclair.edu

hmi.sinclair.edu

ourportal.sinclair.edu

legacy.sinclair.edu

my.sinclair.edu

campuswebstore.sinclair.edu

sheba.sinclair.edu

charles.sinclair.edu

dawn.sinclair.edu

ensemble.sinclair.edu

rest.sinclair.edu

ourfuture.sinclair.edu

regportalnew.sinclair.edu

mail.sinclair.edu

segovia.sinclair.edu

statement.sinclair.edu

mail3.sinclair.edu

mobile.sinclair.edu

isis.sinclair.edu

myazure.sinclair.edu

rest3.sinclair.edu

mvtechftp.sinclair.edu

uportal5.sinclair.edu

regportal.sinclair.edu

email.sinclair.edu

ui.sinclair.edu

mail2.sinclair.edu

angel.sinclair.edu

newrest.sinclair.edu

Same first word

sinclair.co.uk

sinclair.email

sinclair.tech

sinclair.asso.fr

sinclair.hu

sinclair.edu

sinclair.be

sinclair.net.nz

sinclair.com

sinclair.com.co

sinclair.name

sinclair.kasserver.com

sinclair.dk

sinclair.pro

sinclair.com.au

sinclair.org

sinclair.tv

sinclair.co.nz

sinclair.io

sinclair.cn

sinclair.awsapps.com

sinclair.no

sinclair.net

sinclair.pl

sinclair.org.au

sinclair.at

sinclair.com.na

sinclair.cz

sinclair.gr

Similar names

DNS History

12 records (8 active, 4 former)

●NSns1.oar.net2015-06-13 → 2026-07-23 · 2 obs

● 2015-06-13 20:27:08
● 2026-07-23 16:16:02

●NSns4.oar.net2026-02-14 → 2026-07-23 · 6 obs

○ 2015-06-13 20:27:08
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
● 2026-07-23 16:16:02

●NSns5.oar.net2026-02-14 → 2026-07-23 · 6 obs

○ 2015-06-13 20:27:08
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
● 2026-07-23 16:16:02

●NSns6.oar.net2026-02-14 → 2026-07-23 · 6 obs

○ 2015-06-13 20:27:08
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
● 2026-07-23 16:16:02

●NSns7.oar.net2026-02-14 → 2026-07-23 · 6 obs

○ 2015-06-13 20:27:08
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
● 2026-07-23 16:16:02

●NSsegovia.sinclair.edu2015-06-13 → 2026-07-23 · 2 obs

● 2015-06-13 20:27:08
● 2026-07-23 16:16:02

○MXmx.sinclair.edu2015-06-13 → 2017-12-20 · 4 obs

● 2015-06-13 20:27:08
● 2017-12-20 22:43:40
○ 2026-02-14 16:34:58
○ 2026-07-23 16:16:02

●MXsinclair-edu.mail.protection.outlook.com2026-06-24 → 2026-07-23 · 3 obs

○ 2026-06-09 15:23:42
● 2026-06-24 08:08:22
● 2026-07-23 16:16:02

○MXus-smtp-inbound-1.mimecast.com2026-02-14 → 2026-06-09 · 7 obs

○ 2017-12-20 22:43:40
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
○ 2026-06-24 08:08:22
○ 2026-07-23 16:16:02

○MXus-smtp-inbound-2.mimecast.com2026-02-14 → 2026-06-09 · 7 obs

○ 2017-12-20 22:43:40
● 2026-02-14 16:34:58
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
○ 2026-06-24 08:08:22
○ 2026-07-23 16:16:02

○A140.106.224.732015-06-13 → 2015-11-20 · 4 obs

● 2015-06-13 20:27:08
● 2015-11-20 07:24:02
○ 2015-12-10 23:16:06
○ 2026-07-23 16:16:02

●A140.106.57.492015-12-10 → 2026-07-23 · 6 obs

○ 2015-11-20 07:24:02
● 2015-12-10 23:16:06
● 2026-06-06 11:32:24
○ 2026-06-09 14:13:34
● 2026-06-09 15:23:42
● 2026-07-23 16:16:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	i.edu-servers.net, j.edu-servers.net, k.edu-servers.net, h.edu-servers.net...	-
sinclair.edu	ns4.oar.net, ns5.oar.net, ns6.oar.net, ns7.oar.net	-

✅ Authoritative Response

Server:206.244.199.2

NS records: ns4.oar.net, ns5.oar.net, ns6.oar.net, ns7.oar.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinclair.edu (unsigned zone)

⏱️ Timing

Total: 802ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.106.57.49`
NS	6	`segovia.sinclair.edu, ns5.oar.net...`
MX	1	`sinclair-edu.mail.protection.outlook.com`
TXT	20	`MS=ms46025137, ms46025137.msv1.invalid.outlook.com...`
SOA	1	`segovia.sinclair.edu root.sinclair.edu`

Analysis

Hierarchy

sinclair.edu is a parent domain; its children include alert.sinclair.edu, elearn.sinclair.edu, faqs.sinclair.edu, data.sinclair.edu, www.sinclair.edu and a few other host names.

IP Addresses

sinclair.edu directs to one IP number, which is 140.106.57.49.

Host names like www.sinclair.edu are further examples that share IP numbers with sinclair.edu.

Name Servers

sinclair.edu is served by 6 authoritative name servers — among them segovia.sinclair.edu, ns1.oar.net, ns4.oar.net and 3 others.

sinclair.edu partially shares its NS delegation with several other domains, including vscc.k12.oh.us, owu.edu, 106.247.64.in-addr.arpa and two others.

In DNS configurations, these name servers often share authority with ns5.oar.net, ns7.oar.net, ns6.oar.net and 7 other name servers.

Hosts with two IP numbers each:

ns4.oar.net resolves to two addresses: 199.18.199.2 and 2610:a8:2004::2.

ns5.oar.net resolves to two addresses: 199.218.199.2 and 2610:a8:2005::2.

ns6.oar.net resolves to two addresses: 157.134.199.2 and 2610:a8:2006::2.

ns7.oar.net resolves to two addresses: 206.244.199.2 and 2610:a8:2007::2.

Hosts that resolve to one IP address:

The hostname segovia.sinclair.edu resolves to 140.106.49.4.

The hostname ns1.oar.net resolves to 192.88.193.144.

Mail Servers

sinclair.edu routes its mail through a single mail server, sinclair-edu.mail.protection.outlook.com.

sinclair-edu.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.14, 52.101.9.26 and 52.101.10.6, along with 5 other.