appsys.de - dns.ninja
appsys.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #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=1786694832 | ||||||
Subdomains
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
○NSns1.first-ns.de2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2020-02-25 07:16:20
○ 2026-08-14 08:38:16
○NSns1.undeveloped.com2020-02-25 → 2020-02-25 · 4 obs
● 2020-02-25 07:16:20
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
○NSns2.undeveloped.com2020-02-25 → 2020-02-25 · 4 obs
● 2020-02-25 07:16:20
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
○NSrobotns2.second-ns.de2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2020-02-25 07:16:20
○ 2026-08-14 08:38:16
○NSrobotns3.second-ns.com2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2020-02-25 07:16:20
○ 2026-08-14 08:38:16
●NSsl1.sedo.com2026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 14:28:22
● 2026-08-14 08:38:16
●NSsl2.sedo.com2026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 14:28:22
● 2026-08-14 08:38:16
●MXlocalhost2026-03-23 → 2026-08-14 · 5 obs
● 2026-03-23 14:28:22
○ 2026-06-28 16:50:40
● 2026-06-29 19:11:14
● 2026-08-14 08:38:16
○MXmail.appsys.de2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
○MXpost.appsys.de2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
○A188.40.109.1962015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 05:32:46
○ 2020-02-25 07:16:20
○ 2026-08-14 08:38:16
○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-02-25 → 2020-02-25 · 4 obs
● 2020-02-25 07:16:20
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
○A52.58.78.162020-02-25 → 2020-02-25 · 4 obs
● 2020-02-25 07:16:20
○ 2026-03-23 14:28:22
○ 2026-08-14 08:38:16
●A91.195.241.2322026-03-23 → 2026-08-14 · 5 obs
● 2026-03-23 14:28:22
○ 2026-06-28 16:50:40
● 2026-06-29 19:11:14
● 2026-08-14 08:38:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| appsys.de | sl2.sedo.com, sl1.sedo.com | - |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl2.sedo.com, sl1.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for appsys.de (unsigned zone)
⏱️ Timing
Total: 3761ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl2.sedo.com, sl1.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
Hierarchy
appsys.de is the parent domain of mail.appsys.de and post.appsys.de.
IP Addresses
appsys.de points to a single IP number: 91.195.241.232.
Additional host names — www.higene.de, claude.entertainmentsolutions.de, kcdc.eu and two others — share IP numbers with appsys.de.
Name Servers
Two name servers handle the delegation for appsys.de: sl1.sedo.com and sl2.sedo.com.
appsys.de shares its name server setup with other domains, including kunbian.com, ecocalor.de, meinefortuna.de and two others.
appsys.de is at least partially co-delegated on name servers with other domains, such as peonies.eu.
sl1.sedo.com → 91.195.240.173 and sl2.sedo.com → 91.195.241.173: one IP number per host name.
Mail Servers
appsys.de has one mail server: localhost.
appsys.de shares the same mail server setup as other domains, including sharequity.com, mail.puton.eu, escort-basel.ch and two others.