blue - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

blue

(root)

DNSSEC🔒 Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-10-17 #0
⚠️ On DNS blocklist: spam-tlds

PTR for

NS for

Previously NS for

MX for

Subdomains

Same first word

Similar names

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSa0.nic.bluea2.nic.blueb0.nic.blueb2.nic.bluec0.nic.blueb2.nic.blue.blue
●NSa0.nic.blue2015-08-11 → 2026-10-17 · 2 obs
● 2015-08-11 22:13:50
● 2026-10-17 15:37:14
●NSa2.nic.blue2015-08-11 → 2026-10-17 · 2 obs
● 2015-08-11 22:13:50
● 2026-10-17 15:37:14
●NSb0.nic.blue2015-08-11 → 2026-10-17 · 2 obs
● 2015-08-11 22:13:50
● 2026-10-17 15:37:14
●NSb2.nic.blue2016-05-09 → 2026-10-17 · 3 obs
○ 2016-05-05 14:44:22
● 2016-05-09 14:39:14
● 2026-10-17 15:37:14
○NSb2.nic.blue.blue2016-04-28 → 2016-05-05 · 5 obs
○ 2015-08-11 22:13:50
● 2016-04-28 07:41:02
● 2016-05-05 14:44:22
○ 2016-05-09 14:39:14
○ 2026-10-17 15:37:14
●NSc0.nic.blue2015-08-11 → 2026-10-17 · 2 obs
● 2015-08-11 22:13:50
● 2026-10-17 15:37:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
blueb2.nic.blue, a2.nic.blue, a0.nic.blue, b0.nic.blue...10 records

✅ Authoritative Response

Server:65.22.30.9

NS records: b2.nic.blue, a2.nic.blue, a0.nic.blue, b0.nic.blue, c0.nic.blue

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 250ms | Queries: -

📄 Records

TypeCountSample Data
NS5a0.nic.blue, c0.nic.blue...
SOA1a0.nic.blue hostmaster.donuts.email

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a0.nic.blue, a2.nic.blue, b0.nic.blue...)

Analysis

Hierarchy

blue serves as parent to at least ivory.blue, ksa.blue, baseball.blue, esim.blue and bet30.blue — along with tens of thousands of 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.

Mail Server Role

The mail server blue processes email for lombardisellsscv.com.

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 c0.nic.blue and b2.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.