sdtech.de - dns.ninja
sdtech.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=1784940204 | ||||||
Subdomains
mx.sdtech.de |
Same first word
Similar names
DNS History
20 records (7 active, 13 former)
○NSns1.sedoparking.com2015-08-10 → 2017-02-14 · 4 obs
● 2017-02-14 01:46:28
○ 2019-03-27 19:03:04
○ 2026-07-25 00:58:44
○NSns1.undeveloped.com2019-03-27 → 2019-03-27 · 4 obs
● 2019-03-27 19:03:04
○ 2026-03-28 12:05:48
○ 2026-07-25 00:58:44
●NSns1.websupport.sk2026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
○NSns2.sedoparking.com2015-08-10 → 2017-02-14 · 4 obs
● 2017-02-14 01:46:28
○ 2019-03-27 19:03:04
○ 2026-07-25 00:58:44
○NSns2.undeveloped.com2019-03-27 → 2019-03-27 · 4 obs
● 2019-03-27 19:03:04
○ 2026-03-28 12:05:48
○ 2026-07-25 00:58:44
●NSns2.websupport.sk2026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
●NSns3.websupport.sk2026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
○NSsl1.sedo.com2026-03-28 → 2026-06-09 · 4 obs
● 2026-03-28 12:05:48
● 2026-06-09 17:37:26
○ 2026-07-25 00:58:44
○NSsl2.sedo.com2026-03-28 → 2026-06-09 · 4 obs
● 2026-03-28 12:05:48
● 2026-06-09 17:37:26
○ 2026-07-25 00:58:44
○MXlocalhost2017-02-14 → 2026-06-08 · 7 obs
● 2017-02-14 01:46:28
○ 2019-03-27 19:03:04
● 2026-03-28 12:05:48
● 2026-06-08 05:21:38
○ 2026-06-09 17:37:26
○ 2026-07-25 00:58:44
○MXmail.nickstel.com2015-08-10 → 2016-06-25 · 4 obs
● 2016-06-25 23:01:34
○ 2017-02-14 01:46:28
○ 2026-07-25 00:58:44
○MXmx.sdtech.de2019-03-27 → 2019-03-27 · 4 obs
● 2019-03-27 19:03:04
○ 2026-03-28 12:05:48
○ 2026-07-25 00:58:44
●MXmx10.websupport.sk2026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
●MXmx20.websupport.sk2026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
●A2a00:4b40:aaaa:2009::62026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522019-03-27 → 2019-03-27 · 4 obs
● 2019-03-27 19:03:04
○ 2026-03-28 12:05:48
○ 2026-07-25 00:58:44
●A37.9.175.1962026-07-25 → 2026-07-25 · 2 obs
● 2026-07-25 00:58:44
○A52.58.78.162019-03-27 → 2019-03-27 · 4 obs
● 2019-03-27 19:03:04
○ 2026-03-28 12:05:48
○ 2026-07-25 00:58:44
○A72.52.4.1192015-08-10 → 2017-02-14 · 4 obs
● 2017-02-14 01:46:28
○ 2019-03-27 19:03:04
○ 2026-07-25 00:58:44
○A91.195.241.2322026-03-28 → 2026-06-08 · 5 obs
● 2026-03-28 12:05:48
● 2026-06-08 05:21:38
○ 2026-06-09 17:37:26
○ 2026-07-25 00:58:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sdtech.de | ns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdtech.de (unsigned zone)
⏱️ Timing
Total: 841ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.196 |
| AAAA | 1 | 2a00:4b40:aaaa:2009::6 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.m1.websupport.s |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
Hierarchy
sdtech.de serves as the parent of mx.sdtech.de.
IP Addresses
sdtech.de resolves to the IP addresses 37.9.175.196 and 2a00:4b40:aaaa:2009::6
recruit.sk, www.parkanoffices.sk, peniazeonline.sk plus two other host names have IP numbers in common with sdtech.de.
Name Servers
sdtech.de carries NS records delegating to ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
sdtech.de has at least partial name server overlap with other domains, such as dudinak.sk, polakadvokat.sk, gt-team.sk and two others.
ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.sk to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.sk to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.sk to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
sdtech.de uses two mail servers, mx10.websupport.sk and mx20.websupport.sk.
The mail server setup of sdtech.de matches that of other domains such as it2core.sk, kiregroup.sk, garagecaffebar.sk and two others.
The mail servers of sdtech.de are at least partially shared with other domains, including 24office.sk.
mx10.websupport.sk and mx20.websupport.sk both carry two IP addresses. The A records for mx10.websupport.sk are 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110; the A records for mx20.websupport.sk are 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109.