cdu-barsbuettel.de - robtex.com
cdu-barsbuettel.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.172.221.17🇩🇪 ECOTEL212.172.0.0/16 ecotel communication ag | ||||||
| PTR | melanie.webhoster.ag | ||||||
| NS | dns.webhosternameserver.de ⭐ | ||||||
| A | 212.172.221.240🇩🇪 ECOTEL212.172.0.0/16 ecotel communication ag | ||||||
| NS | dns.webhosternameserver.com | ||||||
| A | 185.159.120.240🇩🇪 WEBHOSTER185.159.120.0/24 webhoster.de | ||||||
| NS | dns.webhosternameserver.net | ||||||
| A | 185.159.122.240🇩🇪 WEBHOSTER185.159.122.0/24 | ||||||
| MX | spamschutz.webhoster.de ⭐ | ||||||
| A | 212.172.221.190🇩🇪 ECOTEL212.172.0.0/16 ecotel communication ag | ||||||
| PTR | spamschutz.webhoster.de | ||||||
| TXT | v=spf1 +a include:spf.webhoster.de ip4:212.172.221.17 -all | ||||||
| SOA | dns.webhosternameserver.deinfo@webhoster.ag 2026-02-09 #1 | ||||||
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=1774526708 | ||||||
Subdomains
mx.cdu-barsbuettel.de |
Same first word
cdu-barsbuettel.de |
DNS History
13 records (5 active, 8 former)
●NSdns.webhosternameserver.com2026-03-16 → 2026-03-26 · 3 obs
● 2026-03-16 13:14:18
● 2026-03-26 12:33:52
●NSdns.webhosternameserver.de2026-03-16 → 2026-03-26 · 3 obs
● 2026-03-16 13:14:18
● 2026-03-26 12:33:52
●NSdns.webhosternameserver.net2026-03-16 → 2026-03-26 · 3 obs
● 2026-03-16 13:14:18
● 2026-03-26 12:33:52
○NSdns1.schaffhausen.de2015-08-01 → 2016-03-11 · 4 obs
● 2016-03-11 06:03:40
○ 2016-07-09 05:39:38
○ 2026-03-26 12:33:52
○NSns1.cdu.de2016-07-09 → 2020-02-21 · 5 obs
● 2016-07-09 05:39:38
● 2020-02-21 11:03:24
○ 2026-03-16 13:14:18
○ 2026-03-26 12:33:52
○NSpns.avxn.de2015-08-01 → 2016-03-11 · 4 obs
● 2016-03-11 06:03:40
○ 2016-07-09 05:39:38
○ 2026-03-26 12:33:52
○NSpns.dtag.de2016-07-09 → 2020-02-21 · 5 obs
● 2016-07-09 05:39:38
● 2020-02-21 11:03:24
○ 2026-03-16 13:14:18
○ 2026-03-26 12:33:52
○NSsecondary006.dtag.net2016-07-09 → 2020-02-21 · 5 obs
● 2016-07-09 05:39:38
● 2020-02-21 11:03:24
○ 2026-03-16 13:14:18
○ 2026-03-26 12:33:52
○MXmx.cdu-barsbuettel.de2015-08-01 → 2020-02-21 · 4 obs
● 2020-02-21 11:03:24
○ 2026-03-16 13:14:18
○ 2026-03-26 12:33:52
●MXspamschutz.webhoster.de2026-03-16 → 2026-03-26 · 3 obs
● 2026-03-16 13:14:18
● 2026-03-26 12:33:52
○A193.219.105.532016-07-09 → 2020-02-21 · 5 obs
● 2016-07-09 05:39:38
● 2020-02-21 11:03:24
○ 2026-03-16 13:14:18
○ 2026-03-26 12:33:52
●A212.172.221.172026-03-16 → 2026-03-26 · 3 obs
● 2026-03-16 13:14:18
● 2026-03-26 12:33:52
○A78.137.100.1542015-08-01 → 2016-03-11 · 4 obs
● 2016-03-11 06:03:40
○ 2016-07-09 05:39:38
○ 2026-03-26 12:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| cdu-barsbuettel.de | dns.webhosternameserver.de, dns.webhosternameserver.com, dns.webhosternameserver.net | 1 record |
✅ Authoritative Response
Server:212.172.221.240
NS records: dns.webhosternameserver.de, dns.webhosternameserver.com, dns.webhosternameserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdu-barsbuettel.de (unsigned zone)
⏱️ Timing
Total: 1103ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.172.221.17 |
| NS | 3 | dns.webhosternameserver.de, dns.webhosternameserver.net... |
| MX | 1 | spamschutz.webhoster.de (pri: 10) |
| TXT | 1 | v=spf1 +a include:spf.webhoster.de ip4:2 |
| SOA | 1 | dns.webhosternameserver.de info.webhoste |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (dns.webhosternameserver.de)
Analysis
Hierarchy
The parent of mx.cdu-barsbuettel.de is cdu-barsbuettel.de.
IP Addresses
cdu-barsbuettel.de points to an IP address: 212.172.221.17.
other host names include foerderverein-fsv.de, cycling-teamwear.de, hostingsolutions.de, i-server.de and mail.e-s-s-projects.de; they share IP numbers with cdu-barsbuettel.de.
Name Servers
cdu-barsbuettel.de is delegated to three name servers dns.webhosternameserver.com, dns.webhosternameserver.de and dns.webhosternameserver.net.
cdu-barsbuettel.de at least partially shares name servers with other domains, for instance martins-automobile.de, dauben.de, bringdinx.com, autostrom.at and ayasli.com.
Host names with one IP:
dns.webhosternameserver.com points to 185.159.120.240; dns.webhosternameserver.de points to 212.172.221.240; dns.webhosternameserver.net points to 185.159.122.240.
Mail Servers
cdu-barsbuettel.de is handled by a single mail server, spamschutz.webhoster.de.
cdu-barsbuettel.de uses the same mail server setup as other domains, for instance feuerwehr-weixdorf.de, city-rheinerft.de, colibrifilm.de, taunussteiner-schuetzenclub.de and sciencecabaret.de.
cdu-barsbuettel.de shares at least partially some mail servers with other domains, for instance eco-fm.de, njoerd.at, vservice.de, alles-theater.de and digilibrary.de.
Mail servers are commonly used alongside mx4.webhoster.at, mx2.webhoster.net and mx3.webhoster.org.
The host name spamschutz.webhoster.de points to IP 212.172.221.190.