blue - robtex.com
blue
(root)
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.root-servers.net โญ | ||||||
| NS | b.root-servers.net | ||||||
| NS | c.root-servers.net | ||||||
| NS | d.root-servers.net | ||||||
| NS | e.root-servers.net | ||||||
| NS | f.root-servers.net | ||||||
| NS | g.root-servers.net | ||||||
| NS | h.root-servers.net | ||||||
| NS | i.root-servers.net | ||||||
| NS | j.root-servers.net | ||||||
| NS | k.root-servers.net | ||||||
| NS | l.root-servers.net | ||||||
| NS | m.root-servers.net | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-03 #0 | ||||||
PTR for
NS for
Previously NS for
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
โNSb2.nic.blue2016-05-09 โ 2026-07-03 ยท 3 obs
โ 2016-05-09 14:39:14
โ 2026-07-03 10:46:28
โNSb2.nic.blue.blue2016-04-28 โ 2016-05-05 ยท 5 obs
โ 2016-04-28 07:41:02
โ 2016-05-05 14:44:22
โ 2016-05-09 14:39:14
โ 2026-07-03 10:46:28
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| blue | c0.nic.blue, a0.nic.blue, b0.nic.blue, a2.nic.blue... | 10 records |
โ Authoritative Response
Server:65.22.30.9
NS records: c0.nic.blue, a0.nic.blue, b0.nic.blue, a2.nic.blue, b2.nic.blue
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 648ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | c0.nic.blue, a2.nic.blue... |
| SOA | 1 | a0.nic.blue hostmaster.donuts.email |
๐ Glue Records Collected
Total: 10
In-bailiwick: 10 (c0.nic.blue, c0.nic.blue, a0.nic.blue...)
Analysis
Hierarchy
Under blue as parent sit baseball.blue, bet30.blue, slp.blue, celestial.blue, seaphia.blue and several thousand other host names.
Name Server Role
The name server blue is authoritative for maquininhaspoint.com.br, blogpagseguro.com.br, pagoseguro.net.br, pagseguro.com.br, minisinhashipi.com.br and hundreds more domains.
blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org are often grouped with blue to function as name servers.
Name Servers
blue delegates to five name servers: a0.nic.blue, a2.nic.blue, b0.nic.blue and two others.
blue has partial name server overlap with other domains, including nic.blue.
It is common to see these name servers used together with name servers b2.nic.blue and c0.nic.blue.
Host names that have two IP addresses:
a0.nic.blue has two IP addresses: 65.22.28.9 and 2a01:8840:1e::9.
a2.nic.blue has two IP addresses: 65.22.31.9 and 2a01:8840:21::9.
b0.nic.blue has two IP addresses: 65.22.29.9 and 2a01:8840:1f::9.
b2.nic.blue has two IP addresses: 65.22.31.13 and 2a01:8840:21::13.
c0.nic.blue has two IP addresses: 65.22.30.9 and 2a01:8840:20::9.