durhamcollege.ca - robtex.com

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durhamcollege.ca

DNSSEC⚠️ Not signed
A205.211.182.80🇨🇦 DC-UOIT-NET
PTRweb6.durhamcollege.net
NSdnsa0.dc-uoit.net ⭐
A205.211.180.197🇨🇦 DC-UOIT-NET
PTRdnsa0.dc-uoit.net
NSdnsa.dc-uoit.net
A205.211.180.197🇨🇦 DC-UOIT-NET
PTRdnsa0.dc-uoit.net
A205.211.181.197🇨🇦 DC-UOIT-NET
PTRdnsa1.dc-uoit.net
NSdnsa1.dc-uoit.net
A205.211.181.197🇨🇦 DC-UOIT-NET
PTRdnsa1.dc-uoit.net
NSns1.d-zone.ca 🔒
A2620:10a:80eb::2🇨🇦 CIRA-CLOUD1
PTRns1.d-zone.ca
A162.219.54.2🇨🇦 CIRA-CLOUD1
PTRns1.d-zone.ca
NSns2.d-zone.ca 🔒
A2620:10a:80ec::2🇨🇦 CIRA-CLOUD2
PTRns2.d-zone.ca
A162.219.55.2🇨🇦 CIRA-CLOUD2
PTRns2.d-zone.ca
MXdurhamcollege-ca.mail.protection.outlook.com ⭐
MXsmtpix.dc-uoit.net(30)
A205.211.180.203🇨🇦 DC-UOIT-NET
PTRsmtpix.dc-uoit.net
TXTspf2.0/pra
TXTNtHyzEgOkV4gGDs7iru+y8FSSFjfFy6GYi6QqS1ILsCstOcvsS/A6eBaBIfJkVfPSev5yz7M8Jak+...
TXTv=spf1 a:bsf2.dc-uoit.net a:bsf3.dc-uoit.net a:smtpo2.dc-uoit.net a:smtpo3.dc...
SOAdnsa.dc-uoit.netteamadmin@dc-uoit.net 2026-01-23 #2

ca

DNSSEC🔒 Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐ 🔒
NSany.ca-servers.ca 🔒
NSc.ca-servers.ca 🔒
NSd.ca-servers.ca 🔒
NSj.ca-servers.ca 🔒
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2602170100
rank #101934 globally
rank #674 in the tld
📈 Tranco rank: #225,407

Up

marks.durhamcollege.ca
ftpgrads.durhamcollege.ca
inferno.durhamcollege.ca
zeus.durhamcollege.ca
catalog.durhamcollege.ca
mad.durhamcollege.ca
itsosora01.durhamcollege.ca
odin.durhamcollege.ca
cisco.durhamcollege.ca
email.durhamcollege.ca
helium.durhamcollege.ca
dca.durhamcollege.ca
soit.durhamcollege.ca
sot.durhamcollege.ca
ice.durhamcollege.ca
www.durhamcollege.ca

Same first word

durhamcollege.info
durhamcollege.ca
durhamcollege.biz
durhamcollege.net

DNS History

17 records (8 active, 9 former)

201020122014201620182020202220242026NSdnsa.dc-uoit.netdnsa0.dc-uoit.netdnsa1.dc-uoit.netns1.d-zone.cans2.d-zone.caauth1.dns.cogentco.comauth2.dns.cogentco.comMXdurhamcollege-ca.mail.protection.outlook.comsmtpix.dc-uoit.netbsf.dc-uoit.netbsf2.dc-uoit.netbsf3.dc-uoit.netsmtpi.dc-uoit.netA205.211.182.80205.211.180.133205.211.180.134205.211.180.95
○NSauth1.dns.cogentco.com2009-01-28 → 2018-05-15 · 4 obs
● 2009-01-28 18:36:08
● 2018-05-15 03:41:34
○ 2021-03-03 03:38:46
○ 2026-02-19 01:09:22
○NSauth2.dns.cogentco.com2009-01-28 → 2018-05-15 · 4 obs
● 2009-01-28 18:36:08
● 2018-05-15 03:41:34
○ 2021-03-03 03:38:46
○ 2026-02-19 01:09:22
●NSdnsa.dc-uoit.net2015-07-13 → 2026-02-19 · 3 obs
○ 2009-01-28 18:36:08
● 2015-07-13 03:20:34
● 2026-02-19 01:09:22
●NSdnsa0.dc-uoit.net2009-01-28 → 2026-02-19 · 2 obs
● 2009-01-28 18:36:08
● 2026-02-19 01:09:22
●NSdnsa1.dc-uoit.net2009-01-28 → 2026-02-19 · 2 obs
● 2009-01-28 18:36:08
● 2026-02-19 01:09:22
●NSns1.d-zone.ca2018-02-12 → 2026-02-19 · 3 obs
○ 2015-07-13 03:20:34
● 2018-02-12 11:37:52
● 2026-02-19 01:09:22
●NSns2.d-zone.ca2018-02-12 → 2026-02-19 · 3 obs
○ 2015-07-13 03:20:34
● 2018-02-12 11:37:52
● 2026-02-19 01:09:22
○MXbsf.dc-uoit.net2016-05-04 → 2018-05-15 · 5 obs
○ 2015-12-21 22:21:34
● 2016-05-04 22:45:46
● 2018-05-15 03:41:34
○ 2021-03-03 03:38:46
○ 2026-02-19 01:09:22
○MXbsf2.dc-uoit.net2021-03-03 → 2021-03-03 · 4 obs
○ 2018-05-15 03:41:34
● 2021-03-03 03:38:46
○ 2026-02-15 07:13:44
○ 2026-02-19 01:09:22
○MXbsf3.dc-uoit.net2021-03-03 → 2021-03-03 · 4 obs
○ 2018-05-15 03:41:34
● 2021-03-03 03:38:46
○ 2026-02-15 07:13:44
○ 2026-02-19 01:09:22
●MXdurhamcollege-ca.mail.protection.outlook.com2026-02-15 → 2026-02-19 · 3 obs
○ 2021-03-03 03:38:46
● 2026-02-15 07:13:44
● 2026-02-19 01:09:22
○MXsmtpi.dc-uoit.net2009-01-28 → 2015-12-21 · 4 obs
● 2009-01-28 18:36:08
● 2015-12-21 22:21:34
○ 2016-05-04 22:45:46
○ 2026-02-19 01:09:22
●MXsmtpix.dc-uoit.net2015-07-13 → 2026-02-19 · 3 obs
○ 2009-01-28 18:36:08
● 2015-07-13 03:20:34
● 2026-02-19 01:09:22
○A205.211.180.1332015-07-13 → 2017-08-07 · 5 obs
○ 2009-01-28 18:36:08
● 2015-07-13 03:20:34
● 2017-08-07 23:31:02
○ 2018-02-12 11:37:52
○ 2026-02-19 01:09:22
○A205.211.180.1342015-07-13 → 2017-08-07 · 5 obs
○ 2009-01-28 18:36:08
● 2015-07-13 03:20:34
● 2017-08-07 23:31:02
○ 2018-02-12 11:37:52
○ 2026-02-19 01:09:22
○A205.211.180.952009-01-28 → 2009-01-28 · 3 obs
● 2009-01-28 18:36:08
○ 2015-07-13 03:20:34
○ 2026-02-19 01:09:22
●A205.211.182.802018-02-12 → 2026-02-19 · 3 obs
○ 2017-08-07 23:31:02
● 2018-02-12 11:37:52
● 2026-02-19 01:09:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
durhamcollege.cans1.d-zone.ca, dnsa0.dc-uoit.net, ns2.d-zone.ca, dnsa1.dc-uoit.net-

✅ Authoritative Response

Server: 205.211.181.197

NS records: ns1.d-zone.ca, dnsa0.dc-uoit.net, ns2.d-zone.ca, dnsa1.dc-uoit.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for durhamcollege.ca (unsigned zone)

⏱️ Timing

Total: 243ms | Queries: -

📄 Records

TypeCountSample Data
A1205.211.182.80
NS4dnsa1.dc-uoit.net, ns1.d-zone.ca...
MX2durhamcollege-ca.mail.protection.outlook, smtpix.dc-uoit.net (pri: 30)
TXT3spf2.0/pra, v=spf1 a:bsf2.dc-uoit.net a:bsf3.dc-uoit...
SOA1dnsa.dc-uoit.net teamadmin.dc-uoit.net

AI analysis

durhamcollege.ca is a parent of marks.durhamcollege.ca, ftpgrads.durhamcollege.ca, inferno.durhamcollege.ca, zeus.durhamcollege.ca, catalog.durhamcollege.ca and a few other host names.

durhamcollege.ca resolves to a single IP address: 205.211.182.80.

Other host names, for instance web6.durhamcollege.net, share IP numbers with durhamcollege.ca.

durhamcollege.ca is delegated to five name servers: ns1.d-zone.ca, ns2.d-zone.ca, dnsa0.dc-uoit.net, dnsa1.dc-uoit.net and dnsa.dc-uoit.net.

durhamcollege.ca at least partially shares name servers with other domains, including hrsdc-rhdcc.gc.ca, freshairfund.ca, saintmarys.ca, thisisepigenetics.com and aixp.ca.

These name servers are typically used together with the name servers ns10.ent.global.gc.ca, ns11.ent.global.gc.ca, ns40.ent.global.gc.ca, ns41.ent.global.gc.ca, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns11.ipns.yorku.ca and dns21.ipns.yorku.ca.

Two IPs per host:

The host name ns1.d-zone.ca points to: 2620:10a:80eb::2 and 162.219.54.2.

The host name ns2.d-zone.ca points to: 2620:10a:80ec::2 and 162.219.55.2.

The host name dnsa.dc-uoit.net points to: 205.211.180.197 and 205.211.181.197.

Single IP per host:

The host name dnsa0.dc-uoit.net points to: 205.211.180.197.

The host name dnsa1.dc-uoit.net points to: 205.211.181.197.

Reverse mappings:

Host names that point to 205.211.180.197: dnsa.dc-uoit.net and dnsa0.dc-uoit.net.

Host names that point to 205.211.181.197: dnsa.dc-uoit.net and dnsa1.dc-uoit.net.

durhamcollege.ca is handled by two mail servers: smtpix.dc-uoit.net and durhamcollege-ca.mail.protection.outlook.com.

durhamcollege.ca shares at least partially some mail servers with other domains, for instance dc-ot.ca, dc-uoit.ca and dc-uoit.net.

These mail servers are often used together with dcot-ca0e.mail.protection.outlook.com, dcuoit-ca0e.mail.protection.outlook.com and smtpi.dc-uoit.net.

Host names with a single IP: smtpix.dc-uoit.net points to 205.211.180.203.