sei-it.de - dns.ninja
sei-it.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=1783475830 | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSaccess.ui-dns.biz2026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
●NSaccess.ui-dns.com2026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
●NSaccess.ui-dns.de2026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
●NSaccess.ui-dns.org2026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
○NSns55.1und1.de2015-05-20 → 2017-04-06 · 4 obs
● 2017-04-06 20:03:38
○ 2026-02-27 08:45:20
○ 2026-07-08 02:08:18
○NSns56.1und1.de2015-05-20 → 2017-04-06 · 4 obs
● 2017-04-06 20:03:38
○ 2026-02-27 08:45:20
○ 2026-07-08 02:08:18
●MXmx00.kundenserver.de2015-05-20 → 2026-07-08 · 2 obs
● 2026-07-08 02:08:18
●MXmx01.kundenserver.de2015-05-20 → 2026-07-08 · 2 obs
● 2026-07-08 02:08:18
●A2001:8d8:1001:5013:c7e1:987a:8150:8282026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
●A217.160.123.1212026-02-27 → 2026-07-08 · 3 obs
● 2026-02-27 08:45:20
● 2026-07-08 02:08:18
○A217.160.233.1542016-09-16 → 2017-04-06 · 5 obs
● 2016-09-16 02:23:22
● 2017-04-06 20:03:38
○ 2026-02-27 08:45:20
○ 2026-07-08 02:08:18
○A82.165.211.1422015-05-20 → 2016-04-02 · 4 obs
● 2016-04-02 00:10:12
○ 2016-09-16 02:23:22
○ 2026-07-08 02:08:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| sei-it.de | access.ui-dns.de, access.ui-dns.biz, access.ui-dns.com, access.ui-dns.org | - |
✅ Authoritative Response
Server:185.132.35.237
NS records: access.ui-dns.de, access.ui-dns.biz, access.ui-dns.com, access.ui-dns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sei-it.de (unsigned zone)
⏱️ Timing
Total: 938ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.123.121 |
| AAAA | 1 | 2001:8d8:1001:5013:c7e1:987a:8150:828 |
| NS | 4 | access.ui-dns.com, access.ui-dns.org... |
| MX | 2 | mx01.kundenserver.de (pri: 11), mx00.kundenserver.de (pri: 10) |
| TXT | 1 | v=spf1 a:mout.kundenserver.de ~all |
| SOA | 1 | access.ui-dns.biz hostmaster.1und1.de |
Analysis
IP Addresses
sei-it.de directs to two IP numbers, 217.160.123.121 and 2001:8d8:1001:5013:c7e1:987a:8150:828
Among the host names that share IP numbers with sei-it.de are fuell-hofheim.de, safescan.de, seinsche.name and two others.
Name Servers
The domain sei-it.de is delegated to these four name servers: access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org.
sei-it.de has at least partial name server overlap with other domains, such as dmc1.de, felagis.de, stars-it.eu and two others.
access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org all point to exactly two IP numbers each: access.ui-dns.biz → 217.160.81.237 and 2001:8d8:fe:53::81:237; access.ui-dns.com → 185.132.34.237 and 2607:f1c0:fe:53::34:237; access.ui-dns.de → 217.160.80.237 and 2001:8d8:fe:53::80:237; access.ui-dns.org → 185.132.35.237 and 2607:f1c0:fe:53::35:237.
Mail Servers
The MX records for sei-it.de point to two mail servers: mx00.kundenserver.de and mx01.kundenserver.de.
sei-it.de has the same mail server arrangement as a number of other domains, for example theoneilove.org, tickaroo.net, energie-spartips.de and two more.
sei-it.de shares at least some of its mail servers with other domains — for example einsamobile.at, i-crypt.net, effecton.de and two more.
mx00.kundenserver.de directs to 212.227.15.41 and mx01.kundenserver.de directs to 217.72.192.67; each host name points to exactly one IP number.