studycourse.org - dns.ninja
studycourse.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.98.63.27🇬🇧 IOMART-AS141.98.60.0/22 UK-IOMARTGROUP2-20190110 | ||||||
| PTR | mail.ior.org | ||||||
| NS | ns1.namecity.com ⭐ | ||||||
| A | 62.128.193.35🇬🇧 IOMART-AS62.128.192.0/20 IOMART-SCONET1 | ||||||
| PTR | ns1.namecity.com | ||||||
| NS | ns2.namecity.com | ||||||
| A | 84.22.161.171🇬🇧 IOMART-AS84.22.160.0/19 IOMART-STANDARDHOUSE | ||||||
| PTR | ns2.namecity.com | ||||||
| TXT | google-site-verification=fqv4nes4LqXrjcnpkBBlAvoa20euruJ2lCka3jwv_Kw | ||||||
| TXT | v=spf1 mx ip4:141.98.63.27 | ||||||
| SOA | ns1.namecity.comhostmaster@namecity.com 2025-02-02 #0 | ||||||
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=1784882420 | ||||||
Same first word
studycourse.blog |
studycourse.ru |
studycourse.org |
Similar names
DNS History
6 records (3 active, 3 former)
○NSns1.melbourne.uk.net2015-06-04 → 2017-03-18 · 4 obs
● 2017-03-18 11:22:16
○ 2026-02-25 15:39:20
○ 2026-07-24 08:49:50
●NSns1.namecity.com2026-02-25 → 2026-07-24 · 3 obs
● 2026-02-25 15:39:20
● 2026-07-24 08:49:50
○NSns2.melbourne.uk.net2015-06-04 → 2017-03-18 · 4 obs
● 2017-03-18 11:22:16
○ 2026-02-25 15:39:20
○ 2026-07-24 08:49:50
●NSns2.namecity.com2026-02-25 → 2026-07-24 · 3 obs
● 2026-02-25 15:39:20
● 2026-07-24 08:49:50
●A141.98.63.272026-02-25 → 2026-07-24 · 3 obs
● 2026-02-25 15:39:20
● 2026-07-24 08:49:50
○A46.20.228.1712015-06-04 → 2017-03-18 · 4 obs
● 2017-03-18 11:22:16
○ 2026-02-25 15:39:20
○ 2026-07-24 08:49:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| studycourse.org | ns2.namecity.com, ns1.namecity.com | - |
✅ Authoritative Response
Server:84.22.161.171
NS records: ns2.namecity.com, ns1.namecity.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycourse.org (unsigned zone)
⏱️ Timing
Total: 853ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.98.63.27 |
| NS | 2 | ns1.namecity.com, ns2.namecity.com |
| TXT | 2 | google-site-verification=fqv4nes4LqXrjcn, v=spf1 mx ip4:141.98.63.27 |
| SOA | 1 | ns1.namecity.com hostmaster.namecity.com |
Analysis
IP Addresses
studycourse.org resolves to one IP address: 141.98.63.27.
ior.org, splitfee.org, flamepost.com and two other host names share IP numbers with studycourse.org.
Name Servers
studycourse.org is served by two delegated name servers, ns1.namecity.com and ns2.namecity.com.
studycourse.org uses the same name servers as several other domains — among them steeltubes.com, st-thomasmore.peterborough.sch.uk, dangerless.org and two more.
Both ns1.namecity.com and ns2.namecity.com have a single IP address each — ns1.namecity.com resolves to 62.128.193.35 while ns2.namecity.com resolves to 84.22.161.171.