cad-edu.com - robtex.com
cad-edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910 | ||||||
| PTR | 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com | ||||||
| A | 217.160.0.42🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3 | ||||||
| NS | shades19.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:146🇺🇸 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 | shades19.rzone.de | ||||||
| A | 185.132.34.146🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades19.rzone.de | ||||||
| NS | docks15.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:15🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks15.rzone.de | ||||||
| A | 217.160.80.142🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks15.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | shades19.rzone.dehostmaster@strato-rz.de 2025-08-07 #24 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774542387 | ||||||
Subdomains
mail.cad-edu.com |
Same first word
cad-edu.com |
Similar names
DNS History
5 records (5 active, 0 former)
●A2001:8d8:100f:f000::2002026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 16:39:36
●A217.160.0.422026-02-23 → 2026-03-26 · 2 obs
● 2026-03-26 16:39:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| cad-edu.com | docks15.rzone.de, shades19.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.146
NS records: docks15.rzone.de, shades19.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cad-edu.com (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.42 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 2 | shades19.rzone.de, docks15.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades19.rzone.de hostmaster.strato-rz.d |
Analysis
Hierarchy
cad-edu.com is the parent of mail.cad-edu.com.
IP Addresses
The entity cad-edu.com points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.42.
For instance, other host names vergleich-macht-reich.info, teambeez.com, helms-gmbh.de, victorylondon.com and snorkys.es share IP numbers with cad-edu.com.
Name Servers
cad-edu.com is delegated to two name servers: docks15.rzone.de and shades19.rzone.de.
cad-edu.com uses the same name server setup as other domains such as pauchard.net, ferienhof-sturm.de, oleronloc.com, bandbase.de and dolmetscher-in-koeln.com.
cad-edu.com shares name servers with other domains at least partially, for example reichel-schlaier.de, impune.de, creono.com, daemonen.de and devcol.biz.
these name servers are often used with the following: docks19.rzone.de, docks14.rzone.de, docks09.rzone.de, docks17.rzone.de, shades18.rzone.de, shades09.rzone.de, shades07.rzone.de, docks10.rzone.de, shades15.rzone.de and shades16.rzone.de.
Host names with two IP numbers:
docks15.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:15 and 217.160.80.142; shades19.rzone.de points to 2607:f1c0:fe:53:185:132:34:146 and 185.132.34.146.
Mail Servers
cad-edu.com is handled by a single mail server, smtpin.rzone.de.
cad-edu.com shares the same mail server setup as other domains, for instance admin-c.com, inmotion4u.eu, proxy.ald-vt.de, nat-net.de and nienja.net.
smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.