cus.de - dns.ninja
cus.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.138.169.235🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mx03.bonnweb.com | ||||||
| A | 87.138.196.203🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider | ||||||
| NS | ns63.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2154::2a🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns63.domaincontrol.com | ||||||
| A | 97.74.101.42🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns63.domaincontrol.com | ||||||
| NS | ns64.domaincontrol.com | ||||||
| A | 2603:5:2254::2a🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns64.domaincontrol.com | ||||||
| A | 173.201.69.42🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns64.domaincontrol.com | ||||||
| MX | mx03.bonnweb.com ⭐ | ||||||
| A | 87.138.169.235🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mx03.bonnweb.com | ||||||
| A | 87.138.196.203🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mx03.bonnweb.com | ||||||
| TXT | v=spf1 mx ip4:87.128.20.235 -all | ||||||
| TXT | MS=F8EACB6FEDBA002C150410B93FEFB5405955707E | ||||||
| SOA | ns63.domaincontrol.comdns@jomax.net 2026-03-13 #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=1784858736 | ||||||
Subdomains
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSns1.hans.hosteurope.de2015-08-30 → 2020-11-30 · 4 obs
● 2020-11-30 19:05:16
○ 2021-03-03 08:04:28
○ 2026-07-24 02:13:28
○NSns2.hans.hosteurope.de2015-08-30 → 2020-11-30 · 4 obs
● 2020-11-30 19:05:16
○ 2021-03-03 08:04:28
○ 2026-07-24 02:13:28
●NSns63.domaincontrol.com2021-03-03 → 2026-07-24 · 3 obs
● 2021-03-03 08:04:28
● 2026-07-24 02:13:28
●NSns64.domaincontrol.com2021-03-03 → 2026-07-24 · 3 obs
● 2021-03-03 08:04:28
● 2026-07-24 02:13:28
○MXmail.bonnweb.com2016-02-13 → 2016-02-13 · 4 obs
● 2016-02-13 01:19:02
○ 2016-06-18 19:54:52
○ 2026-07-24 02:13:28
○MXmail.cus.de2015-08-30 → 2015-11-19 · 4 obs
● 2015-11-19 04:55:04
○ 2016-02-13 01:19:02
○ 2026-07-24 02:13:28
○MXmx02.bonnweb.com2016-02-13 → 2021-09-28 · 5 obs
● 2016-02-13 01:19:02
● 2021-09-28 20:22:24
○ 2026-02-16 01:22:50
○ 2026-07-24 02:13:28
●MXmx03.bonnweb.com2016-02-13 → 2026-07-24 · 3 obs
● 2016-02-13 01:19:02
● 2026-07-24 02:13:28
○MXunity1.cus.de2015-08-30 → 2015-11-19 · 4 obs
● 2015-11-19 04:55:04
○ 2016-02-13 01:19:02
○ 2026-07-24 02:13:28
○MXunity2.cus.de2015-08-30 → 2015-11-19 · 4 obs
● 2015-11-19 04:55:04
○ 2016-02-13 01:19:02
○ 2026-07-24 02:13:28
○A176.28.54.432015-08-30 → 2015-11-19 · 4 obs
● 2015-11-19 04:55:04
○ 2016-02-13 01:19:02
○ 2026-07-24 02:13:28
○A78.94.38.262016-02-13 → 2021-03-03 · 5 obs
● 2016-02-13 01:19:02
● 2021-03-03 08:04:28
○ 2021-09-28 20:22:24
○ 2026-07-24 02:13:28
●A87.138.169.2352021-09-28 → 2026-07-24 · 3 obs
● 2021-09-28 20:22:24
● 2026-07-24 02:13:28
●A87.138.196.2032021-09-28 → 2026-07-24 · 3 obs
● 2021-09-28 20:22:24
● 2026-07-24 02:13:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| cus.de | ns64.domaincontrol.com, ns63.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.101.42
NS records: ns64.domaincontrol.com, ns63.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cus.de (unsigned zone)
⏱️ Timing
Total: 633ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 87.138.196.203, 87.138.169.235 |
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| MX | 1 | mx03.bonnweb.com (pri: 20) |
| TXT | 2 | v=spf1 mx ip4:87.128.20.235 -all, MS=F8EACB6FEDBA002C150410B93FEFB54059557 |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
webmail.cus.de and www.cus.de each fall under cus.de as their parent domain.
IP Addresses
cus.de resolves to the IP addresses 87.138.169.235 and 87.138.196.203
Two other host names, along with webmail.bonnweb.com, colonavia.com and mx03.bonnweb.com, also share IP numbers with cus.de.
Name Servers
DNS delegation for cus.de points to two name servers: ns63.domaincontrol.com and ns64.domaincontrol.com.
cus.de shares its NS records with other domains, for example leinibudong.top, grupohospitalcare.com, bitmeerut.co.in and two others.
cus.de has partial name server overlap with other domains, including fx-semi.tw.
ns63.domaincontrol.com directs to 97.74.101.42 and 2603:5:2154::2a. ns64.domaincontrol.com directs to 173.201.69.42 and 2603:5:2254::2a. Each host name carries two IP addresses.
Mail Servers
The sole mail server for cus.de is mx03.bonnweb.com.
Among the domains sharing a mail server setup with cus.de are haustechnik-wachtberg.de, bonnweb.com, underdark.de and two others.
At least a portion of cus.de's mail servers are also used by other domains, for example ippx.de.
These mail servers often co-occur with the mail servers mx02.bonnweb.com.
The host mx03.bonnweb.com resolves to 87.138.169.235 and 87.138.196.203 — two IP addresses.