math.blue - dns.ninja
math.blue
blue
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.blue ⭐ | ||||||
| NS | a2.nic.blue | ||||||
| NS | b0.nic.blue | ||||||
| NS | b2.nic.blue | ||||||
| NS | c0.nic.blue | ||||||
| SOA | a0.nic.bluehostmaster@donuts.email serial=1786889847 | ||||||
Same first word
Similar names
DNS History
13 records (9 active, 4 former)
●NSdns1.registrar-servers.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●NSdns2.registrar-servers.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
○NSns57.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-21 14:37:50
○ 2026-08-16 14:47:06
○NSns58.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-21 14:37:50
○ 2026-08-16 14:47:06
●MXalt1.aspmx.l.google.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●MXalt2.aspmx.l.google.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●MXalt3.aspmx.l.google.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●MXalt4.aspmx.l.google.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●MXaspmx.l.google.com2026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
○MXmail.math.blue2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-21 14:37:50
○ 2026-08-16 14:47:06
○A107.180.51.2302016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-21 14:37:50
○ 2026-08-16 14:47:06
●A63.250.43.1362026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
●A63.250.43.1372026-02-21 → 2026-08-16 · 3 obs
● 2026-02-21 14:37:50
● 2026-08-16 14:47:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| blue | a0.nic.blue, b2.nic.blue, c0.nic.blue, a2.nic.blue... | 10 records |
| math.blue | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math.blue (unsigned zone)
⏱️ Timing
Total: 723ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 63.250.43.137, 63.250.43.136 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (c0.nic.blue, b2.nic.blue, b0.nic.blue...)
Analysis
IP Addresses
math.blue has two IP addresses: 63.250.43.136 and 63.250.43.137
Two other host names, along with altcoinauthority.com, readfullstory.vip and sportzmag.com, also share IP numbers with math.blue.
Name Servers
math.blue is served by two delegated name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
math.blue shares its NS records with other domains, for example vegiloo.pro, reprezentujebiede.site, wanderwood.us and two others.
math.blue and other domains like hawkinsvideophoto.com, andrewrmurray.net and hustlescale.com share some name servers
It is common for these name servers to be used in conjunction with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Each of the two host names carries two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Five mail servers handle math.blue: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between math.blue and other domains, including ns500768.ns500758.ns500759.ns500759.ns500758.ns500736.ns500736.ns500736.ns500735.ns500736.ns500735.ns500698.ns500698.ns500576.ns500698.ns500576.ns500576.trackreceptor.com, murfitt.net, ns500671.ns500671.ns500671.ns500704.ns500742.ns500705.ns500671.ns500705.ns500688.ns500671.ns500678.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and two others.
These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Host names that have two IP addresses:
aspmx.l.google.com maps to two IP addresses — 172.253.122.26 and 2607:f8b0:4004:c17::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.26 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.