21web.de - robtex.com
21web.de
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=1784188201 | ||||||
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
●NSns1028.ui-dns.biz2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
●NSns1028.ui-dns.com2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
●NSns1028.ui-dns.de2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
●NSns1028.ui-dns.org2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
○NSns5.schlund.de2015-05-27 → 2017-04-07 · 4 obs
● 2017-04-07 07:31:26
○ 2026-06-29 20:01:50
○ 2026-07-16 07:55:28
○NSns6.schlund.de2015-05-27 → 2017-04-07 · 4 obs
● 2017-04-07 07:31:26
○ 2026-06-29 20:01:50
○ 2026-07-16 07:55:28
●MXmx00.ionos.de2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
○MXmx00.schlund.de2015-05-27 → 2017-04-07 · 4 obs
● 2017-04-07 07:31:26
○ 2026-06-29 20:01:50
○ 2026-07-16 07:55:28
●MXmx01.ionos.de2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 20:01:50
● 2026-07-16 07:55:28
○MXmx01.schlund.de2015-05-27 → 2017-04-07 · 4 obs
● 2017-04-07 07:31:26
○ 2026-06-29 20:01:50
○ 2026-07-16 07:55:28
●A217.160.231.1162016-09-11 → 2026-07-16 · 3 obs
● 2016-09-11 11:08:18
● 2026-07-16 07:55:28
○A82.165.77.482015-05-27 → 2016-03-26 · 4 obs
● 2016-03-26 23:06:50
○ 2016-09-11 11:08:18
○ 2026-07-16 07:55:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| 21web.de | ns1028.ui-dns.de, ns1028.ui-dns.org, ns1028.ui-dns.com, ns1028.ui-dns.biz | - |
✅ Authoritative Response
Server:185.132.33.28
NS records: ns1028.ui-dns.de, ns1028.ui-dns.org, ns1028.ui-dns.com, ns1028.ui-dns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21web.de (unsigned zone)
⏱️ Timing
Total: 988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.231.116 |
| NS | 4 | ns1028.ui-dns.biz, ns1028.ui-dns.com... |
| MX | 2 | mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1028.ui-dns.de hostmaster.schlund.de |
Analysis
IP Addresses
21web.de has exactly one IP address — 217.160.231.116.
future-devices.de, ibgs.eu, pcsites.de plus two other host names have IP numbers in common with 21web.de.
Name Servers
Four name servers handle the delegation for 21web.de: ns1028.ui-dns.biz, ns1028.ui-dns.com, ns1028.ui-dns.de and ns1028.ui-dns.org.
At least some of 21web.de's name servers are shared with other domains, for example fortexx.de, cedar-dental.co.uk, haserbau.de and two more.
These name servers tend to be used in conjunction with the name servers ns1037.ui-dns.org.
Four hostnames, each resolving to a pair of IP addresses: ns1028.ui-dns.biz directs to 185.132.33.28 and 2607:f1c0:fe:53:185:132:33:28; ns1028.ui-dns.com directs to 217.160.82.28 and 2001:8d8:fe:53:0:d9a0:521c:100; ns1028.ui-dns.de directs to 185.132.32.28 and 2607:f1c0:fe:53:185:132:32:28; ns1028.ui-dns.org directs to 217.160.83.28 and 2001:8d8:fe:53:0:d9a0:531c:100.
Mail Servers
21web.de uses two mail servers, mx00.ionos.de and mx01.ionos.de.
The mail server setup of 21web.de matches that of other domains such as gedat.net, magicum.de, protect-line.de and two others.
Each of mx00.ionos.de and mx01.ionos.de has one IP address: mx00.ionos.de uses 212.227.15.41 and mx01.ionos.de uses 217.72.192.67.