twenty1.eu - robtex.com
twenty1.eu
| 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 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1122723699 | ||||||
Subdomains
mail.twenty1.eu |
Same first word
DNS History
8 records (4 active, 4 former)
○NSns.heartinternet.co.uk2015-06-25 → 2016-05-04 · 4 obs
● 2016-05-04 11:29:24
○ 2017-02-09 23:28:12
○ 2026-03-28 06:28:28
○NSns2.heartinternet.co.uk2015-06-25 → 2016-05-04 · 4 obs
● 2016-05-04 11:29:24
○ 2017-02-09 23:28:12
○ 2026-03-28 06:28:28
●NSsl1.sedo.com2026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 16:15:18
● 2026-03-28 06:28:28
●NSsl2.sedo.com2026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 16:15:18
● 2026-03-28 06:28:28
●MXlocalhost2026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 16:15:18
● 2026-03-28 06:28:28
○MXmail.twenty1.eu2015-06-25 → 2016-05-04 · 4 obs
● 2016-05-04 11:29:24
○ 2017-02-09 23:28:12
○ 2026-03-28 06:28:28
○A79.170.40.42015-06-25 → 2016-05-04 · 4 obs
● 2016-05-04 11:29:24
○ 2017-02-09 23:28:12
○ 2026-03-28 06:28:28
●A91.195.241.2322026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 16:15:18
● 2026-03-28 06:28:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | be.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu... | - |
| twenty1.eu | 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 twenty1.eu (unsigned zone)
⏱️ Timing
Total: 624ms | 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
Hierarchy
mail.twenty1.eu is a child of twenty1.eu.
IP Addresses
twenty1.eu resolves to one IP number: 91.195.241.232.
Other host names, for instance dasnetz.de, muleca.com, elfaro.eu, www.djo.org and amgw.com share IP numbers with twenty1.eu.
Name Servers
twenty1.eu's delegation uses two name servers: sl1.sedo.com and sl2.sedo.com.
twenty1.eu uses the same name server setup as other domains, such as www.811.in, cfsn.de, ibara.de, mediabuzz.eu and energyshopping.de.
Host names with a single IP address: sl1.sedo.com points to 91.195.240.173; sl2.sedo.com points to 91.195.241.173.
Mail Servers
A single mail server handles twenty1.eu, localhost.
twenty1.eu shares the same mail server setup as other domains, for instance tourplace.com, activesupport.de, 1ca.ca, bindu.in and unwrinkle.me.