back.lu - robtex.com
back.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.147.93.110🇱🇺 WHG-LUX194.147.93.0/24 | ||||||
| PTR | design202.letzebuerg.net | ||||||
| NS | ns1.letzebuerg.net ⭐ | ||||||
| A | 194.147.93.201🇱🇺 WHG-LUX194.147.93.0/24 | ||||||
| NS | ns2.letzebuerg.net | ||||||
| A | 194.147.93.202🇱🇺 WHG-LUX194.147.93.0/24 | ||||||
| MX | back.lu ⭐ | ||||||
| A | 194.147.93.110🇱🇺 WHG-LUX194.147.93.0/24 | ||||||
| PTR | design202.letzebuerg.net | ||||||
| TXT | v=spf1 +a +mx +ip4:194.147.93.110 +ip4:194.147.93.119 +ip4:194.147.93.111 ~all | ||||||
| SOA | ns1.letzebuerg.netalerts@zonat.com 2026-05-25 #1 | ||||||
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | 1.ns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| NS | r.ns.lu | ||||||
| TXT | Exported: 2026-07-13 23:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1783976472 | ||||||
MX for
back.lu |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.letzebuerg.net2015-05-27 → 2026-07-13 · 2 obs
● 2026-07-13 22:27:18
●NSns2.letzebuerg.net2015-05-27 → 2026-07-13 · 2 obs
● 2026-07-13 22:27:18
●MXback.lu2015-05-27 → 2026-07-13 · 2 obs
● 2026-07-13 22:27:18
●A194.147.93.1102026-02-22 → 2026-07-13 · 3 obs
● 2026-02-22 19:22:56
● 2026-07-13 22:27:18
○A78.46.255.1132015-05-27 → 2015-05-27 · 3 obs
○ 2015-10-25 08:59:24
○ 2026-07-13 22:27:18
○A82.211.41.202015-10-25 → 2017-07-27 · 5 obs
● 2015-10-25 08:59:24
● 2017-07-27 10:49:34
○ 2026-02-22 19:22:56
○ 2026-07-13 22:27:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | 14 records |
| back.lu | ns1.letzebuerg.net, ns2.letzebuerg.net | - |
✅ Authoritative Response
Server:194.147.93.201
NS records: ns1.letzebuerg.net, ns2.letzebuerg.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for back.lu (unsigned zone)
⏱️ Timing
Total: 1568ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.147.93.110 |
| NS | 2 | ns1.letzebuerg.net, ns2.letzebuerg.net |
| MX | 1 | back.lu (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:194.147.93.110 +ip4:1 |
| SOA | 1 | ns1.letzebuerg.net alerts.zonat.com |
📌 Glue Records Collected
Total: 14
In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)
Analysis
Mail Server Role
back.lu handles its own mail, functioning as its own mail server.
IP Addresses
back.lu resolves to just one IP address, 194.147.93.110.
Two other host names, along with anarore.lu, ibf.lu and jjl.lu, also share IP numbers with back.lu.
Name Servers
DNS delegation for back.lu points to two name servers: ns1.letzebuerg.net and ns2.letzebuerg.net.
back.lu shares its NS records with other domains, for example filiti.lu, ecoledemusique.lu, finacorp.lu and two others.
back.lu partially shares its NS delegation with several other domains, including maschke.co.at, woelfl-trans.at, woelfl-card.com and two others.
In DNS configurations, these name servers often share authority with ns11.letzebuerg.net, ns12.letzebuerg.net, ns1.anarore.info and 7 other name servers.
ns1.letzebuerg.net resolves to 194.147.93.201. ns2.letzebuerg.net resolves to 194.147.93.202. Both host names point to a single IP number.
Mail Servers
back.lu is served by just one mail server: back.lu.
back.lu has exactly one IP number: 194.147.93.110.