osdev.de - dns.ninja
osdev.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1781463436 | ||||||
Same first word
osdev.de |
osdev.wiki |
osdev.co |
osdev.it |
osdev.co.th |
osdev.me |
osdev.ru |
osdev.info |
osdev.fr |
osdev.pl |
osdev.com |
osdev.net |
osdev.nl |
osdev.org |
osdev.cn |
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.first-ns.de2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●NSrobotns2.second-ns.de2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●NSrobotns3.second-ns.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXalt1.aspmx.l.google.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXalt2.aspmx.l.google.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXaspmx.l.google.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXaspmx2.googlemail.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXaspmx3.googlemail.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXaspmx4.googlemail.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
●MXaspmx5.googlemail.com2015-08-12 → 2026-06-14 · 2 obs
● 2026-06-14 19:33:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| osdev.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osdev.de (unsigned zone)
⏱️ Timing
Total: 1470ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 7 | aspmx3.googlemail.com (pri: 5), aspmx4.googlemail.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Name Servers
Three name servers are authoritative for osdev.de: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
osdev.de has at least partial name server overlap with other domains, such as samybo.com, smart-decision.com, eid.org.gr and two others.
It is common to find these name servers paired with the name servers hydrogen.ns.hetzner.com.
robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2. All three hostnames point to two IP numbers each.
Mail Servers
Mail for osdev.de is routed through 7 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
osdev.de shares at least some of its mail servers with other domains — for example loveandluxesf.com, magicboxasia.com, pracbaza.pl and two more.
It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com maps to two IP addresses — 142.251.111.26 and 2607:f8b0:4004:c17::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1b IP addresses.
These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1a IP addresses.