blue-book.net - robtex.com
blue-book.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | edns3.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::203🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | edns3.ultradns.com | ||||||
| A | 204.74.66.3🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | edns3.ultradns.com | ||||||
| NS | edns3.ultradns.net | ||||||
| A | 2610:a1:1014::203🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | edns3.ultradns.net | ||||||
| A | 204.74.110.3🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar | ||||||
| PTR | edns3.ultradns.net | ||||||
| NS | ns52.ultradns2.com | ||||||
| A | 2610:a1:3134::53🇺🇸 AS3991692610:a1:3134::/48 | ||||||
| PTR | ns52.ultradns2.com | ||||||
| A | 204.74.104.52🇺🇸 AS399169204.74.104.0/24 UltraDNS | ||||||
| PTR | ns52.ultradns2.com | ||||||
| NS | ns52.ultradns2.org | ||||||
| A | 2610:a1:3234::53🇺🇸 AS3991692610:a1:3234::/48 | ||||||
| PTR | ns52.ultradns2.org | ||||||
| A | 204.74.106.52🇺🇸 AS399169204.74.106.0/24 UltraDNS | ||||||
| PTR | ns52.ultradns2.org | ||||||
| SOA | edns3.ultradns.comatsa@coxautoinc.com 2015-03-03 #12 | ||||||
net
| 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=1778434531 | ||||||
Same first word
blue-book.net |
blue-book.jp |
blue-book.com |
Similar names
DNS History
9 records (4 active, 5 former)
○NSdns1.cscdns.net2015-06-20 → 2018-06-24 · 4 obs
● 2018-06-24 22:02:12
○ 2026-04-04 13:44:00
○ 2026-05-10 17:37:58
○NSdns2.cscdns.net2015-06-20 → 2018-06-24 · 4 obs
● 2018-06-24 22:02:12
○ 2026-04-04 13:44:00
○ 2026-05-10 17:37:58
●NSedns3.ultradns.com2026-04-04 → 2026-05-10 · 3 obs
● 2026-04-04 13:44:00
● 2026-05-10 17:37:58
●NSedns3.ultradns.net2026-04-04 → 2026-05-10 · 3 obs
● 2026-04-04 13:44:00
● 2026-05-10 17:37:58
●NSns52.ultradns2.com2026-04-04 → 2026-05-10 · 3 obs
● 2026-04-04 13:44:00
● 2026-05-10 17:37:58
●NSns52.ultradns2.org2026-04-04 → 2026-05-10 · 3 obs
● 2026-04-04 13:44:00
● 2026-05-10 17:37:58
○MXcustmx.cscdns.net2015-06-20 → 2018-06-24 · 4 obs
● 2018-06-24 22:02:12
○ 2026-04-04 13:44:00
○ 2026-05-10 17:37:58
○A165.160.13.202015-06-20 → 2018-06-24 · 4 obs
● 2018-06-24 22:02:12
○ 2026-04-04 13:44:00
○ 2026-05-10 17:37:58
○A165.160.15.202015-06-20 → 2018-06-24 · 4 obs
● 2018-06-24 22:02:12
○ 2026-04-04 13:44:00
○ 2026-05-10 17:37:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| blue-book.net | edns3.ultradns.net, edns3.ultradns.com, ns52.ultradns2.com, ns52.ultradns2.org | 2 records |
✅ Authoritative Response
Server:204.74.106.52
NS records: edns3.ultradns.net, edns3.ultradns.com, ns52.ultradns2.com, ns52.ultradns2.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blue-book.net (unsigned zone)
⏱️ Timing
Total: 769ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns52.ultradns2.com, ns52.ultradns2.org... |
| SOA | 1 | edns3.ultradns.com atsa.coxautoinc.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (edns3.ultradns.net, edns3.ultradns.net)
Analysis
Name Servers
blue-book.net is delegated to four name servers: edns3.ultradns.com, ns52.ultradns2.com, edns3.ultradns.net and ns52.ultradns2.org.
blue-book.net shares some name servers with other domains, for example dealertracktechnologies.net, manheim.us, kellyblueboko.com, mvc.dps.mo.gov and dealertrack.dk.
These name servers are commonly used with edns3.ultradns.biz, edns3.ultradns.org, ns7.ultradns2.com, ns7.ultradns2.org and privdnsgm01.state.mo.us.
Host names with two IP numbers
Two IPs per host:
edns3.ultradns.com points to 2001:502:f3ff::203 and 204.74.66.3
ns52.ultradns2.com points to 2610:a1:3134::53 and 204.74.104.52
edns3.ultradns.net points to 2610:a1:1014::203 and 204.74.110.3
ns52.ultradns2.org points to 2610:a1:3234::53 and 204.74.106.52