u-si.de - robtex.com
u-si.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.99.2.122🇩🇪 DFN141.99.0.0/16 SIENET | ||||||
| PTR | u-si.de | ||||||
| PTR | u-si.zimt.uni-siegen.de | ||||||
| NS | si-nic.hrz.uni-siegen.de ⭐ | ||||||
| A | 2a04:dfc0:dc:2::2🇩🇪 DFN2a04:dfc0::/29 DE-USI-20140519 | ||||||
| PTR | si-nic.hrz.uni-siegen.de | ||||||
| A | 141.99.2.2🇩🇪 DFN141.99.0.0/16 SIENET | ||||||
| PTR | ntp.uni-siegen.de | ||||||
| PTR | si-nic.hrz.uni-siegen.de | ||||||
| PTR | infoblox-1415-master-vip.zimt.uni-siegen.de | ||||||
| NS | petz.hrz.uni-siegen.de | ||||||
| A | 2a04:dfc0:dc:999::12🇩🇪 DFN2a04:dfc0::/29 DE-USI-20140519 | ||||||
| PTR | petz.hrz.uni-siegen.de | ||||||
| A | 141.99.1.12🇩🇪 DFN141.99.0.0/16 SIENET | ||||||
| PTR | ntp.uni-siegen.de | ||||||
| PTR | petz.hrz.uni-siegen.de | ||||||
| TXT | HARICA-T1qNG5Fgd4M3YAS2jDT | ||||||
| TXT | HARICA-D1L8tmQWt9ADqJ3EKnu | ||||||
| SOA | si-nic.hrz.uni-siegen.dednsmaster@zimt.uni-siegen.de serial=56 | ||||||
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=1774659841 | ||||||
PTR for
Same first word
Similar names
is-u.de |
is-u.com |
u-is.net |
is-u.eu |
ui-s.co.jp |
i-us.de |
su-i.com |
i-us.eu |
is-u.it |
i-su.com.tw |
i-us.ru |
i-us.org |
is-u.nl |
is-u.net |
s-iu.com |
i-us.be |
si-u.com |
i-us.com |
us-i.com |
ui-s.net |
s-ui.com |
u-is.com |
si-u.de |
DNS History
4 records (3 active, 1 former)
●NSpetz.hrz.uni-siegen.de2017-10-23 → 2026-03-28 · 2 obs
● 2026-03-28 01:05:14
●NSsi-nic.hrz.uni-siegen.de2017-10-23 → 2026-03-28 · 2 obs
● 2026-03-28 01:05:14
●A141.99.2.1222026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 16:07:46
● 2026-03-28 01:05:14
○A141.99.2.322017-10-23 → 2017-10-23 · 3 obs
○ 2026-03-27 16:07:46
○ 2026-03-28 01:05:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| u-si.de | petz.hrz.uni-siegen.de, si-nic.hrz.uni-siegen.de | 4 records |
✅ Authoritative Response
Server:141.99.2.2
NS records: petz.hrz.uni-siegen.de, si-nic.hrz.uni-siegen.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u-si.de (unsigned zone)
⏱️ Timing
Total: 635ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.99.2.122 |
| NS | 2 | petz.hrz.uni-siegen.de, si-nic.hrz.uni-siegen.de |
| TXT | 2 | HARICA-D1L8tmQWt9ADqJ3EKnu, HARICA-T1qNG5Fgd4M3YAS2jDT |
| SOA | 1 | si-nic.hrz.uni-siegen.de dnsmaster.zimt. |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (si-nic.hrz.uni-siegen.de, petz.hrz.uni-siegen.de, si-nic.hrz.uni-siegen.de...)
Analysis
IP Addresses
u-si.de resolves to a single IP: 141.99.2.122.
Name Servers
u-si.de has two name servers: petz.hrz.uni-siegen.de and si-nic.hrz.uni-siegen.de.
u-si.de shares the same name server setup as other domains, for example klimatext.de, enkellos.de, nielswerber.de, pfiffikaeuzchen-siegen.de and wbsmart.eu.
u-si.de shares some name servers with other domains, for example numerik.math.uni-siegen.de, phil.uni-siegen.de, 160.99.141.in-addr.arpa, fb12.uni-siegen.de and fw.mb.uni-siegen.de.
These name servers are often used together with dns-1.dfn.de, bosch.hep.physik.uni-siegen.de and munch.hep.physik.uni-siegen.de.
Host names with two IP numbers:
petz.hrz.uni-siegen.de points to: 2a04:dfc0:dc:999::12 and 141.99.1.12; si-nic.hrz.uni-siegen.de points to: 2a04:dfc0:dc:2::2 and 141.99.2.2.