step.lu - dns.ninja
step.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.154.139.77🇫🇷 O2SWITCH185.154.136.0/22 | ||||||
| NS | ns2.pt.lu ⭐ | ||||||
| A | 2001:7e8:8800::c0🇱🇺 EPT-LU2001:7e8::/32 | ||||||
| PTR | ns2.pt.lu | ||||||
| A | 195.46.252.2🇱🇺 EPT-LU195.46.224.0/19 PT-LU | ||||||
| PTR | ns2.pt.lu | ||||||
| NS | ns1.pt.lu | ||||||
| A | 2001:7e8:8800::b0🇱🇺 EPT-LU2001:7e8::/32 | ||||||
| PTR | ns1.pt.lu | ||||||
| A | 194.154.192.1🇱🇺 EPT-LU194.154.192.0/19 PT-LU | ||||||
| PTR | ns1.pt.lu | ||||||
| NS | ns3.pt.lu | ||||||
| A | 2001:1610:2:1::90🇱🇺 ASN-VO2001:1610::/32 Visual Online S.A. Internet IP space E-Mail: noc@vo.lu | ||||||
| PTR | ns3.pt.lu | ||||||
| A | 80.90.63.90🇱🇺 ASN-VO80.90.32.0/19 Visual Online S.A. Internet IP space E-Mail: noc@vo.lu | ||||||
| PTR | ns3.pt.lu | ||||||
| MX | mail.step.lu ⭐ | ||||||
| A | 213.135.231.196🇱🇺 EPT-LU213.135.224.0/19 PT-LU | ||||||
| PTR | mail.step.lu | ||||||
| TXT | v=spf1 mx ip4:109.234.166.90 -all | ||||||
| SOA | ns2.pt.luhostmaster@ns1.pt.lu 2025-01-22 #0 | ||||||
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: 2026-07-19 09:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1784444472 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns3.pt.lu2015-08-28 → 2026-07-19 · 5 obs
● 2016-12-03 04:25:40
○ 2017-01-24 08:14:16
● 2017-09-07 04:13:38
● 2026-07-19 07:53:44
●MXmail.step.lu2026-02-18 → 2026-07-19 · 3 obs
● 2026-02-18 20:53:06
● 2026-07-19 07:53:44
○MXmx.hostpack.lu2015-08-28 → 2017-09-07 · 4 obs
● 2017-09-07 04:13:38
○ 2026-02-18 20:53:06
○ 2026-07-19 07:53:44
●A185.154.139.772026-02-18 → 2026-07-19 · 3 obs
● 2026-02-18 20:53:06
● 2026-07-19 07:53:44
○A31.22.120.1312015-08-28 → 2017-09-07 · 4 obs
● 2017-09-07 04:13:38
○ 2026-02-18 20:53:06
○ 2026-07-19 07:53:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | r.ns.lu, j.dns.lu, 1.ns.lu, p.dns.lu... | 14 records |
| step.lu | ns1.pt.lu, ns2.pt.lu, ns3.pt.lu | 6 records |
✅ Authoritative Response
Server:194.154.192.1
NS records: ns1.pt.lu, ns2.pt.lu, ns3.pt.lu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for step.lu (unsigned zone)
⏱️ Timing
Total: 942ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.154.139.77 |
| NS | 3 | ns1.pt.lu, ns3.pt.lu... |
| MX | 1 | mail.step.lu (pri: 5) |
| TXT | 1 | v=spf1 mx ip4:109.234.166.90 -all |
| SOA | 1 | ns2.pt.lu hostmaster.ns1.pt.lu |
📌 Glue Records Collected
Total: 20
In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)
Out-of-bailiwick: 6 (ns3.pt.lu, ns2.pt.lu, ns1.pt.lu...)
Analysis
Hierarchy
mail.step.lu and www.step.lu each fall under step.lu as their parent domain.
IP Addresses
step.lu resolves to just one IP address, 185.154.139.77.
Two other host names, along with id-joomla.com, charleroi-bouge.be and deco-maisons.com, also share IP numbers with step.lu.
Name Servers
step.lu carries NS records delegating to ns1.pt.lu, ns2.pt.lu and ns3.pt.lu.
step.lu partially shares its NS delegation with several other domains, including concept4u.lu, cf-fs.lu, 69.99.83.in-addr.arpa and two others.
These name servers are regularly seen alongside nswh1.pt.lu and nswh2.pt.lu as name servers.
ns1.pt.lu, ns2.pt.lu and ns3.pt.lu are three hostnames that each resolve to a pair of IP addresses: ns1.pt.lu to 194.154.192.1 and 2001:7e8:8800::b0, ns2.pt.lu to 195.46.252.2 and 2001:7e8:8800::c0, and ns3.pt.lu to 80.90.63.90 and 2001:1610:2:1::90.
Mail Servers
The sole mail server for step.lu is mail.step.lu.
mail.step.lu carries a single IP number, which is 213.135.231.196.