developernotebook.com - dns.ninja
developernotebook.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=1786444759 | ||||||
Same first word
developernotebook.com |
DNS History
10 records (8 active, 2 former)
○MXsmtp1.oreilly.com2015-06-14 → 2017-01-03 · 4 obs
● 2017-01-03 16:22:18
○ 2026-03-10 22:38:44
○ 2026-08-11 11:08:40
○MXsmtp2.oreilly.com2015-06-14 → 2017-01-03 · 4 obs
● 2017-01-03 16:22:18
○ 2026-03-10 22:38:44
○ 2026-08-11 11:08:40
●A208.201.239.362015-06-14 → 2026-08-11 · 2 obs
● 2026-08-11 11:08:40
●A208.201.239.372015-06-14 → 2026-08-11 · 2 obs
● 2026-08-11 11:08:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| developernotebook.com | a1-225.akam.net, a3-67.akam.net, a13-64.akam.net, a16-65.akam.net... | - |
✅ Authoritative Response
Server:193.108.91.225
NS records: a1-225.akam.net, a3-67.akam.net, a13-64.akam.net, a16-65.akam.net, a4-64.akam.net, a20-66.akam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developernotebook.com (unsigned zone)
⏱️ Timing
Total: 403ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 208.201.239.37, 208.201.239.36 |
| NS | 6 | a20-66.akam.net, a16-65.akam.net... |
| SOA | 1 | a1-225.akam.net nic-tc.oreilly.com |
Analysis
IP Addresses
developernotebook.com has two IP addresses: 208.201.239.36 and 208.201.239.37
Additional host names — onjava.net, kodzu.org, timoreilly.name and two others — share IP numbers with developernotebook.com.
Name Servers
developernotebook.com is delegated to 6 name servers: a1-225.akam.net, a13-64.akam.net, a16-65.akam.net and 3 other.
At least some of developernotebook.com's name servers are shared with other domains, for example 116.58.198.in-addr.arpa, travelstart.dk, arcusbank.org and two more.
These name servers tend to co-occur with a3-67.akam.net, a4-64.akam.net, a20-66.akam.net and 6 other name servers in the same DNS delegations.
Host names with two IP numbers:
a1-225.akam.net points to 193.108.91.225 and 2600:1401:2::e1.
a13-64.akam.net points to 2.22.230.64 and 2600:1480:800::40.
a16-65.akam.net points to 23.211.132.65 and 2600:1406:1b::41.
a20-66.akam.net points to 95.100.175.66 and 2a02:26f0:67::42.
a3-67.akam.net points to 96.7.49.67 and 2600:1408:1c::43.
a4-64.akam.net points to 72.246.46.64 and 2600:1480:9000::40.