simopt.de - dns.ninja
simopt.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=1782694203 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSdocks15.rzone.de2015-07-21 → 2020-01-17 · 4 obs
● 2020-01-17 12:45:30
○ 2026-05-07 09:47:28
○ 2026-06-29 01:00:30
○NSshades15.rzone.de2015-07-21 → 2020-01-17 · 4 obs
● 2020-01-17 12:45:30
○ 2026-05-07 09:47:28
○ 2026-06-29 01:00:30
●NSsl1.sedo.com2026-05-07 → 2026-06-29 · 3 obs
● 2026-05-07 09:47:28
● 2026-06-29 01:00:30
●NSsl2.sedo.com2026-05-07 → 2026-06-29 · 3 obs
● 2026-05-07 09:47:28
● 2026-06-29 01:00:30
●MXlocalhost2026-05-07 → 2026-06-29 · 6 obs
● 2026-05-07 09:47:28
● 2026-06-04 11:09:44
○ 2026-06-28 14:20:58
● 2026-06-29 01:00:26
● 2026-06-29 01:00:30
○MXsmtp.rzone.de2015-07-21 → 2020-01-17 · 4 obs
● 2020-01-17 12:45:30
○ 2026-05-07 09:47:28
○ 2026-06-29 01:00:30
○A2a01:238:20a:202:1095::2015-07-21 → 2020-01-17 · 4 obs
● 2020-01-17 12:45:30
○ 2026-05-07 09:47:28
○ 2026-06-29 01:00:30
○A81.169.145.952015-07-21 → 2020-01-17 · 4 obs
● 2020-01-17 12:45:30
○ 2026-05-07 09:47:28
○ 2026-06-29 01:00:30
●A91.195.241.2322026-05-07 → 2026-06-29 · 6 obs
● 2026-05-07 09:47:28
● 2026-06-04 11:09:44
○ 2026-06-28 14:20:58
● 2026-06-29 01:00:26
● 2026-06-29 01:00:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| simopt.de | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simopt.de (unsigned zone)
⏱️ Timing
Total: 3785ms | 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
IP Addresses
simopt.de resolves to just one IP address, 91.195.241.232.
Two other host names, along with hexawater.com, tnt-specials.de and listify.eu, also share IP numbers with simopt.de.
Name Servers
simopt.de has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.
simopt.de shares its NS records with other domains, for example csvp.eu, mx.cartolina.eu, amajo.de and two others.
Each of sl1.sedo.com and sl2.sedo.com has one IP address: sl1.sedo.com uses 91.195.240.173 and sl2.sedo.com uses 91.195.241.173.
Mail Servers
The sole mail server for simopt.de is localhost.
Among the domains sharing a mail server setup with simopt.de are indooraquarium.com, mail.hexenforum.de, ns.gabia.co.kr.koreafn.com and two others.