coders.school - dns.ninja
coders.school
school
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.school ⭐ | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1785618352 | ||||||
Subdomains
www.coders.school |
Same first word
Similar names
DNS History
15 records (11 active, 4 former)
●NSdns1.linuxpl.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
○NSdns10.linuxpl.com2018-07-19 → 2018-07-19 · 3 obs
○ 2026-02-25 03:37:20
○ 2026-08-01 22:07:40
●NSdns2.linuxpl.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●NSns1.cyberfolks.pl2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
○NSns10.linuxpl.com2018-07-19 → 2018-07-19 · 3 obs
○ 2026-02-25 03:37:20
○ 2026-08-01 22:07:40
●NSns2.cyberfolks.pl2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●NSns3.cyberfolks.pl2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●MXalt1.aspmx.l.google.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●MXalt2.aspmx.l.google.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●MXalt3.aspmx.l.google.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●MXalt4.aspmx.l.google.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
●MXaspmx.l.google.com2026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
○MXmail.coders.school2018-07-19 → 2018-07-19 · 3 obs
○ 2026-02-25 03:37:20
○ 2026-08-01 22:07:40
●A195.78.67.412026-02-25 → 2026-08-01 · 3 obs
● 2026-02-25 03:37:20
● 2026-08-01 22:07:40
○A78.46.99.1492018-07-19 → 2018-07-19 · 3 obs
○ 2026-02-25 03:37:20
○ 2026-08-01 22:07:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v2n0.nic.school, v0n0.nic.school, v0n2.nic.school, v0n1.nic.school... | 12 records |
| coders.school | ns1.cyberfolks.pl, ns3.cyberfolks.pl, ns2.cyberfolks.pl | - |
✅ Authoritative Response
Server:94.152.255.111
NS records: ns1.cyberfolks.pl, ns3.cyberfolks.pl, ns2.cyberfolks.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coders.school (unsigned zone)
⏱️ Timing
Total: 792ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.78.67.41 |
| NS | 2 | dns2.linuxpl.com, dns1.linuxpl.com |
| MX | 5 | ALT3.ASPMX.L.GOOGLE.COM (pri: 10), ASPMX.L.GOOGLE.COM (pri: 1)... |
| TXT | 3 | v=spf1 include:_spf.mlsend.com a mx incl, google-site-verification=qMvj7HrJ_lJRCRd... |
| SOA | 1 | dns1.linuxpl.com hostmaster.coders.schoo |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)
Analysis
Hierarchy
The domain www.coders.school falls under the parent coders.school.
IP Addresses
coders.school points to a single IP number: 195.78.67.41.
Additional host names — www.banachowka.pl, mail.jas-wedrowniczek.pl, mail.allangolo.pl and two others — share IP numbers with coders.school.
Name Servers
Delegation for coders.school is to five name servers: dns1.linuxpl.com, dns2.linuxpl.com, ns1.cyberfolks.pl and two others.
At least some of coders.school's name servers are shared with other domains, for example medutools.pl, czytay.pl, zarzaddrog.pl and two more.
These name servers tend to co-occur with ns2.cyberfolks.pl, ns3.cyberfolks.pl, dns10.linuxpl.com and 7 other name servers in the same DNS delegations.
Host names pointing to a single IP address:
dns1.linuxpl.com has the IP address 94.152.254.111.
dns2.linuxpl.com has the IP address 94.152.255.111.
ns1.cyberfolks.pl has the IP address 94.152.254.111.
ns2.cyberfolks.pl has the IP address 94.152.255.111.
ns3.cyberfolks.pl has the IP address 94.152.254.161.
Both dns1.linuxpl.com and ns1.cyberfolks.pl resolve to 94.152.254.111 IP addresses each.
Both dns2.linuxpl.com and ns2.cyberfolks.pl resolve to 94.152.255.111 IP addresses each.
Mail Servers
coders.school has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
coders.school shares mail servers — at least in part — with other domains, including ns500768.ns500698.ns500758.ns500758.ns500698.ns500698.ns500698.ns500698.ns500576.ns500698.ns500576.ns500652.ns500576.trackreceptor.com, ns500754.ns500742.ns500742.ns500742.ns500705.ns500705.ns500649.ns500671.ns500649.lustychickser.com, noytax.com and two others.
These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com directs traffic to 192.178.218.26 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.