coursrera.org - robtex.com
coursrera.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782255455 | ||||||
Same first word
coursrera.org |
DNS History
14 records (3 active, 11 former)
○NSns1.dsredirection.com2015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
●NSns1.dyna-ns.net2026-04-18 → 2026-06-23 · 3 obs
● 2026-04-18 14:45:16
● 2026-06-23 23:29:52
○NSns1.parkingcrew.net2015-11-19 → 2016-05-08 · 5 obs
● 2015-11-19 06:25:24
● 2016-05-08 21:48:14
○ 2017-04-08 16:13:44
○ 2026-06-23 23:29:52
○NSns2.dsredirection.com2015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
●NSns2.dyna-ns.net2026-04-18 → 2026-06-23 · 3 obs
● 2026-04-18 14:45:16
● 2026-06-23 23:29:52
○NSns2.parkingcrew.net2015-11-19 → 2016-05-08 · 5 obs
● 2015-11-19 06:25:24
● 2016-05-08 21:48:14
○ 2017-04-08 16:13:44
○ 2026-06-23 23:29:52
○MXmail.h-email.net2015-11-19 → 2015-11-19 · 3 obs
○ 2016-02-25 23:46:00
○ 2026-06-23 23:29:52
○A185.53.177.72016-02-25 → 2016-02-25 · 4 obs
● 2016-02-25 23:46:00
○ 2016-05-08 21:48:14
○ 2026-06-23 23:29:52
○A185.53.179.92015-11-19 → 2016-05-08 · 6 obs
● 2015-11-19 06:25:24
○ 2016-02-25 23:46:00
● 2016-05-08 21:48:14
○ 2017-04-08 16:13:44
○ 2026-06-23 23:29:52
○A208.73.210.2122015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
○A208.73.211.1912015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
○A208.73.211.1942015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
○A208.73.211.1992015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-19 06:25:24
○ 2026-06-23 23:29:52
●A54.215.31.1132026-04-18 → 2026-06-23 · 3 obs
● 2026-04-18 14:45:16
● 2026-06-23 23:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| coursrera.org | ns1.dyna-ns.net, ns2.dyna-ns.net | - |
✅ Authoritative Response
Server:162.159.24.5
NS records: ns1.dyna-ns.net, ns2.dyna-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursrera.org (unsigned zone)
⏱️ Timing
Total: 1265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.215.31.113 |
| NS | 2 | ns2.dyna-ns.net, ns1.dyna-ns.net |
| SOA | 1 | ns1.dyna-ns.net hostmaster.coursrera.org |
Analysis
IP Addresses
coursrera.org resolves to one IP address: 54.215.31.113.
cheryl.lol, www.vide.site, bubblepaint.com and two other host names share IP numbers with coursrera.org.
Name Servers
coursrera.org has two authoritative name servers — ns1.dyna-ns.net and ns2.dyna-ns.net.
coursrera.org uses the same name servers as several other domains — among them cummom.com, 88p.org, jutawanbetgacor.online and two more.
Both ns1.dyna-ns.net and ns2.dyna-ns.net resolve to four IP addresses: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.