mail.oltec.de - robtex.com
mail.oltec.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
oltec.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| NS | sl2.sedo.com | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●MXlocalhost2026-07-20 → 2026-07-20 · 1 obs
○A109.237.140.182015-08-17 → 2016-03-24 · 3 obs
● 2016-03-24 15:15:12
○ 2026-07-20 09:54:40
●A91.195.241.2322026-07-20 → 2026-07-20 · 2 obs
● 2026-07-20 09:54:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| oltec.de | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.240.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oltec.de (unsigned zone)
⏱️ Timing
Total: 3867ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl1.sedo.com, sl2.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
mail.oltec.de resolves to one IP address: 91.195.241.232.
hwasun.com, photo-video.eu, ber.international and two other host names share IP numbers with mail.oltec.de.
Name Servers
DNS delegation for mail.oltec.de points to two name servers: sl1.sedo.com and sl2.sedo.com.
mail.oltec.de uses the same name servers as several other domains — among them 5.amsterdam, mvlc.de, spacewarp.de and two more.
sl1.sedo.com and sl2.sedo.com each resolve to one IP number: sl1.sedo.com points to 91.195.240.173 and sl2.sedo.com points to 91.195.241.173.
Mail Servers
Mail for mail.oltec.de is handled by a single mail server, localhost.
mail.oltec.de uses an identical mail server configuration to several other domains — among them seconvertir.net, comlink.in, e211.ttorni.tontut.fi and two more.