`opencourses.mobi`

DNSSEC	⚠️ Not signed
NS	`ns63.d9hosting.com` ⚠️ Not in zone NS records
		A	104.194.9.210^{🇺🇸 RELIABLESITENET-1104.194.9.0/24 101 Possumtown Rd Piscataway, NJ 08854 United States}
			PTR	`server4.aiucalls.com`
NS	`ns64.d9hosting.com` ⚠️ Not in zone NS records
		A	104.194.9.210^{🇺🇸 RELIABLESITENET-1104.194.9.0/24 101 Possumtown Rd Piscataway, NJ 08854 United States}
			PTR	`server4.aiucalls.com`

`mobi`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.mobi.afilias-nst.info` ⭐
	NS	`a2.mobi.afilias-nst.info`
	NS	`b0.mobi.afilias-nst.org`
	NS	`b2.mobi.afilias-nst.org`
	NS	`c0.mobi.afilias-nst.info`
	NS	`d0.mobi.afilias-nst.org`
	SOA	`a0.mobi.afilias-nst.info`hostmaster@donuts.email serial=1776290865

Previously MX for

opencourses.mobi

Same first word

opencourses.com

opencourses.co

opencourses.de

opencourses.net

opencourses.net.au

opencourses.ru

opencourses.mobi

opencourses.gr

Similar names

DNS History

10 records (2 active, 8 former)

○NSns01.cashparking.com2015-06-14 → 2017-02-06 · 4 obs

● 2015-06-14 21:40:40
● 2017-02-06 19:27:46
○ 2018-09-26 17:18:02
○ 2026-04-15 22:44:58

○NSns45.d9hosting.com2018-09-26 → 2018-09-26 · 4 obs

○ 2017-02-06 19:27:46
● 2018-09-26 17:18:02
○ 2026-03-12 11:07:14
○ 2026-04-15 22:44:58

○NSns46.d9hosting.com2018-09-26 → 2018-09-26 · 4 obs

○ 2017-02-06 19:27:46
● 2018-09-26 17:18:02
○ 2026-03-12 11:07:14
○ 2026-04-15 22:44:58

●NSns63.d9hosting.com2026-03-12 → 2026-04-15 · 3 obs

○ 2018-09-26 17:18:02
● 2026-03-12 11:07:14
● 2026-04-15 22:44:58

●NSns64.d9hosting.com2026-03-12 → 2026-04-15 · 3 obs

○ 2018-09-26 17:18:02
● 2026-03-12 11:07:14
● 2026-04-15 22:44:58

○MXmailstore1.secureserver.net2015-06-14 → 2017-02-06 · 4 obs

● 2015-06-14 21:40:40
● 2017-02-06 19:27:46
○ 2018-09-26 17:18:02
○ 2026-04-15 22:44:58

○MXopencourses.mobi2018-09-26 → 2018-09-26 · 4 obs

○ 2017-02-06 19:27:46
● 2018-09-26 17:18:02
○ 2026-03-12 11:07:14
○ 2026-04-15 22:44:58

○MXsmtp.secureserver.net2015-06-14 → 2017-02-06 · 4 obs

● 2015-06-14 21:40:40
● 2017-02-06 19:27:46
○ 2018-09-26 17:18:02
○ 2026-04-15 22:44:58

○A184.168.221.962015-06-14 → 2017-02-06 · 4 obs

● 2015-06-14 21:40:40
● 2017-02-06 19:27:46
○ 2018-09-26 17:18:02
○ 2026-04-15 22:44:58

○A45.58.115.742018-09-26 → 2018-09-26 · 4 obs

○ 2017-02-06 19:27:46
● 2018-09-26 17:18:02
○ 2026-03-12 11:07:14
○ 2026-04-15 22:44:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mobi	b0.mobi.afilias-nst.org, d0.mobi.afilias-nst.org, a0.mobi.afilias-nst.info, a2.mobi.afilias-nst.info...	12 records
opencourses.mobi	ns64.d9hosting.com, ns63.d9hosting.com	-

✅ Authoritative Response

Server:104.194.9.210

NS records: ns64.d9hosting.com, ns63.d9hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencourses.mobi (unsigned zone)

⏱️ Timing

Total: 376ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (d0.mobi.afilias-nst.org, c0.mobi.afilias-nst.info, b2.mobi.afilias-nst.org...)

Analysis

Name Servers

opencourses.mobi's delegation is to two name servers ns63.d9hosting.com and ns64.d9hosting.com.

opencourses.mobi shares the same name server configuration as other domains, such as andragogiclearning.com, onlinefreecourse.com, aiudegrees.org, globalaccreditationcongress.net and edu-crypto.com.

Host names with one IP number: ns63.d9hosting.com and ns64.d9hosting.com point to 104.194.9.210.

opencourses.mobi - robtex.com