jeffstudy.com - robtex.com
jeffstudy.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Up
www.jeffstudy.com |
Same first word
jeffstudy.com |
DNS History
16 records (6 active, 10 former)
●NSns-138.awsdns-17.com2015-08-02 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
●NSns-1426.awsdns-50.org2015-08-02 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
●NSns-1799.awsdns-32.co.uk2015-08-02 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
●NSns-537.awsdns-03.net2015-08-02 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
○A3.35.151.162026-02-27 → 2026-02-27 · 1 obs
●A43.201.170.1572026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
●A43.202.206.32026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 10:22:00
○A52.68.29.1422017-05-23 → 2017-05-23 · 3 obs
● 2017-05-23 18:24:40
○ 2026-02-27 10:22:00
○A52.68.84.682015-08-02 → 2015-12-03 · 4 obs
● 2015-12-03 14:28:08
○ 2016-03-04 02:07:24
○ 2026-02-27 10:22:00
○A52.69.177.2222017-05-23 → 2017-05-23 · 3 obs
● 2017-05-23 18:24:40
○ 2026-02-27 10:22:00
○A54.180.14.1672026-02-27 → 2026-02-27 · 1 obs
○A54.199.131.1182016-03-04 → 2016-03-04 · 4 obs
● 2016-03-04 02:07:24
○ 2016-06-23 04:36:54
○ 2026-02-27 10:22:00
○A54.199.164.1352016-03-04 → 2016-03-04 · 4 obs
● 2016-03-04 02:07:24
○ 2016-06-23 04:36:54
○ 2026-02-27 10:22:00
○A54.238.146.2302015-08-02 → 2015-12-03 · 4 obs
● 2015-12-03 14:28:08
○ 2016-03-04 02:07:24
○ 2026-02-27 10:22:00
○A54.250.176.1402016-06-23 → 2016-06-23 · 4 obs
● 2016-06-23 04:36:54
○ 2017-05-23 18:24:40
○ 2026-02-27 10:22:00
○A54.64.103.1122016-03-04 → 2016-06-23 · 5 obs
● 2016-03-04 02:07:24
● 2016-06-23 04:36:54
○ 2017-05-23 18:24:40
○ 2026-02-27 10:22:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jeffstudy.com | ns-138.awsdns-17.com, ns-537.awsdns-03.net, ns-1799.awsdns-32.co.uk, ns-1426.awsdns-50.org | 1 record |
✅ Authoritative Response
Server: 205.251.192.138
NS records: ns-138.awsdns-17.com, ns-537.awsdns-03.net, ns-1799.awsdns-32.co.uk, ns-1426.awsdns-50.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jeffstudy.com (unsigned zone)
⏱️ Timing
Total: 357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 43.201.170.157, 43.202.206.3 |
| NS | 4 | ns-138.awsdns-17.com, ns-1426.awsdns-50.org... |
| TXT | 1 | v=spf1 ip4:52.69.15.40 ip4:52.68.128.123 |
| SOA | 1 | ns-537.awsdns-03.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-138.awsdns-17.com)
AI analysis
jeffstudy.com is the parent of www.jeffstudy.com.
jeffstudy.com resolves to two IPs: 43.201.170.157 and 43.202.206.3.
jeffstudy.com is delegated to four name servers: ns-138.awsdns-17.com, ns-537.awsdns-03.net, ns-1426.awsdns-50.org and ns-1799.awsdns-32.co.uk.
jeffstudy.com at least partially shares name servers with other domains, for instance decorilla.com, btigmagic.com, iit-dev.com, asl19.org and solobari.it.
These name servers are often used with ns-1344.awsdns-40.org and ns-1622.awsdns-10.co.uk.
Host names with two IP numbers:
Host name ns-138.awsdns-17.com points to: 2600:9000:5300:8a00::1 and 205.251.192.138.
Host name ns-537.awsdns-03.net points to: 2600:9000:5302:1900::1 and 205.251.194.25.
Host name ns-1426.awsdns-50.org points to: 2600:9000:5305:9200::1 and 205.251.197.146.
Host name ns-1799.awsdns-32.co.uk points to: 2600:9000:5307:700::1 and 205.251.199.7.