4xrack.de - robtex.com
4xrack.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.169.131.21🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | bts-network.de | ||||||
| NS | ns3.stratoserver.net ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:159🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns3.stratoserver.net | ||||||
| A | 185.132.34.159🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns3.stratoserver.net | ||||||
| NS | ns4.stratoserver.net | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:32🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| A | 217.160.80.159🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| MX | smtp.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtp.rzone.de | ||||||
| A | 81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtp.rzone.de | ||||||
| SOA | ns3.stratoserver.nethostmaster@strato-rz.de 2020-06-17 #16 | ||||||
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=1771291602 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSns3.stratoserver.net2026-03-10 → 2026-03-10 · 2 obs
● 2026-03-10 01:10:54
●NSns4.stratoserver.net2026-03-10 → 2026-03-10 · 2 obs
● 2026-03-10 01:10:54
●A81.169.131.212026-03-10 → 2026-03-10 · 2 obs
● 2026-03-10 01:10:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| 4xrack.de | ns3.stratoserver.net, ns4.stratoserver.net | - |
✅ Authoritative Response
Server: 185.132.34.159
NS records: ns3.stratoserver.net, ns4.stratoserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4xrack.de (unsigned zone)
⏱️ Timing
Total: 1537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.131.21 |
| NS | 2 | ns3.stratoserver.net, ns4.stratoserver.net |
| MX | 1 | smtp.rzone.de (pri: 5) |
| SOA | 1 | ns3.stratoserver.net hostmaster.strato-r |
Analysis
IP Addresses
4xrack.de points to a single IP: 81.169.131.21.
Other host names, for instance btsystem.de, saifor.de, lwl-patchkabel.de, bts-network.de and otdr.de share IP numbers with 4xrack.de.
Name Servers
4xrack.de's delegation is to two name servers ns3.stratoserver.net and ns4.stratoserver.net.
4xrack.de shares the same name server configuration as other domains, such as guns4you.de, baumdeslebens.de, gec-denk.de, oli-online.de and guiacyl.com.
Host names with two IP numbers: ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159
Mail Servers
4xrack.de is served by a single mail server, smtp.rzone.de.
4xrack.de uses the same mail server setup as other domains such as home.sjowhan.nl, heavensclub.de, stjokar.es, angel-sieraden.nl and tenpinner.com.
Hostname smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.