development.school - dns.ninja
development.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=1785582818 | ||||||
Same first word
DNS History
14 records (8 active, 6 former)
●NSns-us.1and1-dns.com2016-12-10 → 2026-08-01 · 2 obs
● 2026-08-01 11:57:20
●NSns-us.1and1-dns.de2016-12-10 → 2026-08-01 · 2 obs
● 2026-08-01 11:57:20
●NSns-us.1and1-dns.org2016-12-10 → 2026-08-01 · 2 obs
● 2026-08-01 11:57:20
●NSns-us.1and1-dns.us2016-12-10 → 2026-08-01 · 2 obs
● 2026-08-01 11:57:20
○MXmx00.1and1.com2016-12-10 → 2017-09-04 · 4 obs
● 2017-09-04 08:08:58
○ 2026-02-18 00:06:34
○ 2026-08-01 11:57:20
●MXmx00.ionos.com2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 00:06:34
● 2026-08-01 11:57:20
○MXmx01.1and1.com2016-12-10 → 2017-09-04 · 4 obs
● 2017-09-04 08:08:58
○ 2026-02-18 00:06:34
○ 2026-08-01 11:57:20
●MXmx01.ionos.com2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 00:06:34
● 2026-08-01 11:57:20
○A192.195.77.1552016-12-10 → 2016-12-10 · 3 obs
○ 2017-09-04 08:08:58
○ 2026-08-01 11:57:20
○A216.250.120.632017-09-04 → 2017-09-04 · 4 obs
● 2017-09-04 08:08:58
○ 2026-02-18 00:06:34
○ 2026-08-01 11:57:20
○A2607:f1c0:1000:6077:580a:9d24:8c53:68122016-12-10 → 2016-12-10 · 3 obs
○ 2017-09-04 08:08:58
○ 2026-08-01 11:57:20
○A2607:f1c0:1000:7075:87d5:f6c4:4168:88312017-09-04 → 2017-09-04 · 4 obs
● 2017-09-04 08:08:58
○ 2026-02-18 00:06:34
○ 2026-08-01 11:57:20
●A2607:f1c0:100f:f000::2672026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 00:06:34
● 2026-08-01 11:57:20
●A74.208.236.1462026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 00:06:34
● 2026-08-01 11:57:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v0n0.nic.school, v0n1.nic.school, v0n2.nic.school, v0n3.nic.school... | 12 records |
| development.school | ns-us.1and1-dns.de, ns-us.1and1-dns.us, ns-us.1and1-dns.com, ns-us.1and1-dns.org | - |
✅ Authoritative Response
Server:185.132.32.2
NS records: ns-us.1and1-dns.de, ns-us.1and1-dns.us, ns-us.1and1-dns.com, ns-us.1and1-dns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for development.school (unsigned zone)
⏱️ Timing
Total: 1887ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.208.236.146 |
| AAAA | 1 | 2607:f1c0:100f:f000::267 |
| NS | 4 | ns-us.1and1-dns.org, ns-us.1and1-dns.us... |
| MX | 2 | mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-us.ionos.com ~all |
| SOA | 1 | ns-us.1and1-dns.com hostmaster.1and1.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n0.nic.school, v0n1.nic.school...)
Analysis
IP Addresses
development.school directs to two IP numbers, 74.208.236.146 and 2607:f1c0:100f:f000::267
Additional host names — happyhourdeliveries.com, bitterpenpress.com, thefishoffice.com and two others — share IP numbers with development.school.
Name Servers
development.school has four authoritative name servers: ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and ns-us.1and1-dns.us.
development.school partially shares its NS delegation with several other domains, including biz-mark.com, pokemonpro.com, arslans.com and two others.
In DNS configurations, these name servers often share authority with ns57.1and1.com, ns58.1and1.com, ns51.1and1.com and 5 other name servers.
ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and ns-us.1and1-dns.us each carry two IP addresses. ns-us.1and1-dns.com has 185.132.34.2 and 2607:f1c0:fe:53:185:132:34:2; ns-us.1and1-dns.de has 185.132.32.2 and 2607:f1c0:fe:53:185:132:32:2; ns-us.1and1-dns.org has 185.132.35.2 and 2607:f1c0:fe:53:185:132:35:2; ns-us.1and1-dns.us has 185.132.33.2 and 2607:f1c0:fe:53:185:132:33:2.
Mail Servers
development.school has two mail servers: mx00.ionos.com and mx01.ionos.com.
development.school shares the same mail server setup as other domains, including film2u.com, ndtdirect.com, nraco.us and two others.
mx00.ionos.com resolves to 74.208.114.65. mx01.ionos.com resolves to 74.208.114.66. Both host names point to a single IP number.