cducsu.eu - robtex.com
cducsu.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.219.105.53🇩🇪 DTAG193.219.105.0/24 Union Betriebs GmbH | ||||||
| NS | wall.cdu.de ⭐ | ||||||
| NS | ns1.cdu.de | ||||||
| A | 193.219.105.58🇩🇪 DTAG193.219.105.0/24 Union Betriebs GmbH | ||||||
| PTR | mail58.cdu.de | ||||||
| PTR | ns1.cdu.de | ||||||
| PTR | mailrelay.ubgnet.de | ||||||
| PTR | ns1.ubgnet.de | ||||||
| NS | pns.dtag.de | ||||||
| A | 2003:40:8000::100🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | pns.dtag.de | ||||||
| A | 194.25.0.125🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | pns.dtag.de | ||||||
| NS | secondary006.dtag.net | ||||||
| A | 2a00:fa8:3:0:100:0:6:1🇩🇪 NETUSE2a00:fa8:3::/48 NSDTAG | ||||||
| PTR | secondary006.dtag.net | ||||||
| A | 195.244.245.25🇩🇪 NETUSE195.244.245.0/24 | ||||||
| PTR | secondary006.dtag.net | ||||||
| MX | mail.cducsu.eu ⭐ | ||||||
| A | 193.219.105.46🇩🇪 DTAG193.219.105.0/24 Union Betriebs GmbH | ||||||
| PTR | mail1.ubgnet.de | ||||||
| TXT | v=spf1 ip4:193.219.105.0/24 include:spf1.checkinserver.com -all | ||||||
| SOA | wall.cdu.deroot@wall.cdu.de 2022-03-14 #2 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1122770019 | ||||||
Subdomains
mail.cducsu.eu |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSns.udag.de2015-10-31 → 2016-06-19 · 5 obs
● 2015-10-31 10:57:56
● 2016-06-19 21:56:28
○ 2019-12-30 06:16:50
○ 2026-03-29 10:47:02
○NSns.udag.net2015-10-31 → 2016-06-19 · 5 obs
● 2015-10-31 10:57:56
● 2016-06-19 21:56:28
○ 2019-12-30 06:16:50
○ 2026-03-29 10:47:02
○NSns.udag.org2015-10-31 → 2016-06-19 · 5 obs
● 2015-10-31 10:57:56
● 2016-06-19 21:56:28
○ 2019-12-30 06:16:50
○ 2026-03-29 10:47:02
●NSns1.cdu.de2019-12-30 → 2026-03-29 · 3 obs
● 2019-12-30 06:16:50
● 2026-03-29 10:47:02
●NSpns.dtag.de2019-12-30 → 2026-03-29 · 3 obs
● 2019-12-30 06:16:50
● 2026-03-29 10:47:02
●NSsecondary006.dtag.net2019-12-30 → 2026-03-29 · 3 obs
● 2019-12-30 06:16:50
● 2026-03-29 10:47:02
○NSserver1-ns1.udagdns.net2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-31 10:57:56
○ 2026-03-29 10:47:02
○NSserver1-ns2.udagdns.net2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-31 10:57:56
○ 2026-03-29 10:47:02
○NSserver1-ns3.udagdns.net2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-31 10:57:56
○ 2026-03-29 10:47:02
●NSwall.cdu.de2019-12-30 → 2026-03-29 · 3 obs
● 2019-12-30 06:16:50
● 2026-03-29 10:47:02
●MXmail.cducsu.eu2019-12-30 → 2026-03-29 · 3 obs
● 2019-12-30 06:16:50
● 2026-03-29 10:47:02
○MXmail58.cdu.de2015-05-29 → 2016-06-19 · 4 obs
● 2016-06-19 21:56:28
○ 2019-12-30 06:16:50
○ 2026-03-29 10:47:02
●A193.219.105.532015-05-29 → 2026-03-29 · 2 obs
● 2026-03-29 10:47:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, si.dns.eu, x.dns.eu, y.dns.eu... | - |
| cducsu.eu | secondary006.dtag.net, pns.dtag.de, ns1.cdu.de | - |
✅ Authoritative Response
Server:193.219.105.58
NS records: secondary006.dtag.net, pns.dtag.de, ns1.cdu.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cducsu.eu (unsigned zone)
⏱️ Timing
Total: 829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.219.105.53 |
| NS | 3 | pns.dtag.de, secondary006.dtag.net... |
| MX | 1 | mail.cducsu.eu (pri: 5) |
| TXT | 1 | v=spf1 ip4:193.219.105.0/24 include:spf1 |
| SOA | 1 | wall.cdu.de root.wall.cdu.de |
Analysis
Hierarchy
The parent of mail.cducsu.eu is cducsu.eu.
IP Addresses
cducsu.eu points to an IP address: 193.219.105.53.
other host names include cdu-ritterhude.de, www.cdu-kreisverband-altenkirchen.de, www.cdu-bottrop.de, www.cdu-wuerselen.de and cdu-ostholstein.de; they share IP numbers with cducsu.eu.
Name Servers
cducsu.eu delegates to four name servers: ns1.cdu.de, wall.cdu.de, pns.dtag.de and secondary006.dtag.net.
cducsu.eu at least partially shares name servers with other domains, for instance telekomaufladen.de, 213.26.91.in-addr.arpa, 37.140.87.in-addr.arpa, ernst-russ.net and frimo.org.
these name servers are commonly used with ns1.telekom.net, secondary007.dtag.net, dnsreh01.rehau.com, dnsreh02.rehau.com, secondary004.dtag.net, dns.krzn.de, ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de and ns1.vgp.de.
Host names with a single IP number:
ns1.cdu.de points to 193.219.105.58.
Host names with two IP numbers:
pns.dtag.de points to 2003:40:8000::100 and 194.25.0.125.
secondary006.dtag.net points to 2a00:fa8:3:0:100:0:6:1 and 195.244.245.25.
Mail Servers
cducsu.eu is handled by a single mail server, mail.cducsu.eu.
The host name mail.cducsu.eu points to IP 193.219.105.46.