dev2null.de - robtex.com
dev2null.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 152.53.224.213🇦🇹 netcup-AS152.53.224.0/22 | ||||||
| PTR | mail.dev2null.de | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.dev2null.de ⭐ | ||||||
| A | 152.53.224.213🇦🇹 netcup-AS152.53.224.0/22 | ||||||
| PTR | mail.dev2null.de | ||||||
| TXT | v=spf1 mx a ip4:152.53.224.213 -all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2025-07-25 #9 | ||||||
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=1788260936 | ||||||
Subdomains
mail.dev2null.de |
Same first word
Similar names
Previous names
Next names
dev2op.de |
dev2prod.de |
dev2typo3.de |
dev2web.de |
dev3.de |
dev33.de |
dev36.de |
dev365.de |
dev3con.de |
dev3d.de |
dev4-neck-heyn.de |
dev4.de |
dev404.de |
dev41.de |
dev42.de |
dev44.de |
dev45.de |
dev47.de |
dev4ag.de |
dev4cove.de |
DNS History
5 records (5 active, 0 former)
●NSroot-dns.netcup.net2026-08-26 → 2026-09-01 · 2 obs
● 2026-09-01 11:20:40
●NSsecond-dns.netcup.net2026-08-26 → 2026-09-01 · 2 obs
● 2026-09-01 11:20:40
●NSthird-dns.netcup.net2026-08-26 → 2026-09-01 · 2 obs
● 2026-09-01 11:20:40
●MXmail.dev2null.de2026-08-26 → 2026-09-01 · 4 obs
○ 2026-08-29 13:43:40
● 2026-08-31 18:07:20
● 2026-09-01 11:20:40
●A152.53.224.2132026-08-26 → 2026-09-01 · 4 obs
○ 2026-08-29 13:43:40
● 2026-08-31 18:07:20
● 2026-09-01 11:20:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| dev2null.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev2null.de (unsigned zone)
⏱️ Timing
Total: 1210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.53.224.213 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | mail.dev2null.de (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:152.53.224.213 -all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
dev2null.de is the parent zone for mail.dev2null.de.
IP Addresses
dev2null.de directs to one IP number, which is 152.53.224.213.
Other host names share IP numbers with dev2null.de; mail.dev2null.de is one such example.
Name Servers
Three name servers are authoritative for dev2null.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
dev2null.de partially shares its NS delegation with several other domains, including workshop-tools.com, mirkopluempe.de, digihead.de and two others.
root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.
Mail Servers
dev2null.de routes its mail through a single mail server, mail.dev2null.de.
There is one IP number for mail.dev2null.de: 152.53.224.213.