optom.lu - robtex.com
optom.lu
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| TXT | Exported: 2026-05-13 19:01:01 | ||||||
| SOA | ns1.dns.lunoc@restena.lu serial=1778691673 | ||||||
Subdomains
www.optom.lu |
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
○NSns1.contabo.net2017-05-31 → 2017-09-01 · 5 obs
● 2017-05-31 01:14:06
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
○NSns1.globe.lu2015-08-05 → 2016-12-01 · 4 obs
● 2016-12-01 04:49:30
○ 2017-05-31 01:14:06
○ 2026-05-13 17:30:18
●NSns1.mbox.lu2026-03-31 → 2026-05-13 · 3 obs
● 2026-03-31 09:22:18
● 2026-05-13 17:30:18
○NSns2.contabo.net2017-05-31 → 2017-09-01 · 5 obs
● 2017-05-31 01:14:06
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
○NSns2.globe.lu2015-08-05 → 2016-12-01 · 4 obs
● 2016-12-01 04:49:30
○ 2017-05-31 01:14:06
○ 2026-05-13 17:30:18
●NSns2.mbox.lu2026-03-31 → 2026-05-13 · 3 obs
● 2026-03-31 09:22:18
● 2026-05-13 17:30:18
○NSns3.contabo.net2017-05-31 → 2017-09-01 · 5 obs
● 2017-05-31 01:14:06
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
○NSns3.globe.lu2015-08-05 → 2016-12-01 · 4 obs
● 2016-12-01 04:49:30
○ 2017-05-31 01:14:06
○ 2026-05-13 17:30:18
○MXmail.optom.lu2015-08-05 → 2017-09-01 · 4 obs
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
●MXoptom-lu.mail.protection.outlook.com2026-03-31 → 2026-05-13 · 3 obs
● 2026-03-31 09:22:18
● 2026-05-13 17:30:18
●A185.197.99.852026-03-31 → 2026-05-13 · 3 obs
● 2026-03-31 09:22:18
● 2026-05-13 17:30:18
○A2a02:c207:2007:2270::12017-05-31 → 2017-09-01 · 5 obs
● 2017-05-31 01:14:06
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
○A5.189.135.1282017-05-31 → 2017-09-01 · 5 obs
● 2017-05-31 01:14:06
● 2017-09-01 01:40:42
○ 2026-03-31 09:22:18
○ 2026-05-13 17:30:18
○A85.25.91.1792015-08-05 → 2016-12-01 · 4 obs
● 2016-12-01 04:49:30
○ 2017-05-31 01:14:06
○ 2026-05-13 17:30:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu... | 12 records |
| optom.lu | ns2.mbox.lu, ns1.mbox.lu | 2 records |
✅ Authoritative Response
Server:85.93.212.4
NS records: ns2.mbox.lu, ns1.mbox.lu
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at optom.lu: Error: DNS query timeout: 194.0.23.5 for DS optom.lu
⏱️ Timing
Total: 3668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.197.99.85 |
| NS | 2 | ns2.mbox.lu, ns1.mbox.lu |
| MX | 1 | optom-lu.mail.protection.outlook.com (pr |
| TXT | 2 | MS=ms30552119, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.mbox.lu dnsadmin.mbox.lu |
📌 Glue Records Collected
Total: 14
In-bailiwick: 12 (g.dns.lu, i.dns.lu, j.dns.lu...)
Out-of-bailiwick: 2 (ns2.mbox.lu, ns1.mbox.lu)
Analysis
Hierarchy
optom.lu is the parent of www.optom.lu.
IP Addresses
optom.lu points to IP number 185.197.99.85.
For instance, other host names www.ucamersch.lu, ucamersch.lu, spring-water-triathlon.com, schifflange.lu and www.optom.lu share IP numbers with optom.lu.
Name Servers
optom.lu is delegated to two name servers: ns1.mbox.lu and ns2.mbox.lu.
optom.lu uses the same name server setup as other domains such as gluberry.com, fordluxmotor.lu, vinyl.lu, sitlux.lu and net-tv.lu.
optom.lu shares name servers with other domains at least partially, for example smsu.eu, entropy8.com, familypark.lu, toepke.lu and select-development.eu.
These name servers are commonly used with the name servers ns1.iongroup.lu and ns2.iongroup.lu.
Host names with one IP number:
ns1.mbox.lu points to: 85.93.212.4.
ns2.mbox.lu points to: 185.197.99.4.
Mail Servers
optom.lu is handled by a single mail server, optom-lu.mail.protection.outlook.com.
Host name optom-lu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::f, 52.101.68.15, 52.101.68.32, 52.101.73.8 and 52.101.73.19.