quad.lu - robtex.com
quad.lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.openprovider.nl ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a0a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.10Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.openprovider.be | ||||||
| A | 2400:cb00:2049:1::a29f:1b60🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.96Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.openprovider.eu | ||||||
| A | 2400:cb00:2049:1::a29f:3059🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.89Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.quad.lu ⭐ | ||||||
| A | 127.0.0.1 | ||||||
| TXT | cc5a6b59a6f0e08356f06db9588cb9b927a91ed6 | ||||||
| SOA | ns1.openprovider.nldns@openprovider.eu 2026-05-27 #2 | ||||||
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: 2026-08-08 15:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1786194073 | ||||||
Subdomains
mail.quad.lu |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSns1.eurodns.com2015-08-02 → 2026-04-16 · 4 obs
● 2026-04-16 14:09:48
○ 2026-05-21 19:35:06
○ 2026-08-08 13:24:02
●NSns1.openprovider.nl2026-06-10 → 2026-08-08 · 3 obs
● 2026-06-10 15:30:56
● 2026-08-08 13:24:02
○NSns2.eurodns.com2015-08-02 → 2026-04-16 · 4 obs
● 2026-04-16 14:09:48
○ 2026-05-21 19:35:06
○ 2026-08-08 13:24:02
●NSns2.openprovider.be2026-06-10 → 2026-08-08 · 3 obs
● 2026-06-10 15:30:56
● 2026-08-08 13:24:02
○NSns3.eurodns.com2015-08-02 → 2026-04-16 · 4 obs
● 2026-04-16 14:09:48
○ 2026-05-21 19:35:06
○ 2026-08-08 13:24:02
●NSns3.openprovider.eu2026-06-10 → 2026-08-08 · 3 obs
● 2026-06-10 15:30:56
● 2026-08-08 13:24:02
○NSns4.eurodns.com2015-08-02 → 2026-04-16 · 4 obs
● 2026-04-16 14:09:48
○ 2026-05-21 19:35:06
○ 2026-08-08 13:24:02
●MXmail.quad.lu2026-06-10 → 2026-08-08 · 2 obs
● 2026-08-08 13:24:02
○A109.234.164.1992026-03-10 → 2026-04-16 · 5 obs
● 2026-03-10 19:30:30
● 2026-04-16 14:09:48
○ 2026-05-21 19:35:06
○ 2026-08-08 13:24:02
●A127.0.0.12026-06-10 → 2026-08-08 · 3 obs
● 2026-06-10 15:30:56
● 2026-08-08 13:24:02
○A80.92.65.1442015-08-02 → 2016-05-06 · 4 obs
● 2016-05-06 18:47:38
○ 2026-03-10 19:30:30
○ 2026-08-08 13:24:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | - |
| quad.lu | ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu | - |
✅ Authoritative Response
Server:162.159.26.10
NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 687ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| NS | 3 | ns1.openprovider.nl, ns3.openprovider.eu... |
| MX | 1 | mail.quad.lu (pri: 10) |
| TXT | 1 | cc5a6b59a6f0e08356f06db9588cb9b927a91ed6 |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
Analysis
Hierarchy
mail.quad.lu is delegated beneath quad.lu.
IP Addresses
quad.lu resolves to just one IP address, 127.0.0.1.
Two other host names, along with myis.us, riellopci.com and rrcqw.com, also share IP numbers with quad.lu.
Name Servers
quad.lu is served by three name servers: ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
There is at least partial name server overlap between quad.lu and other domains — al-inn.be, securitynet.nl, stoas.nl and two more among them.
The hostnames ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl each direct to two IP addresses — ns2.openprovider.be to 162.159.27.96 and 2400:cb00:2049:1::a29f:1b60, ns3.openprovider.eu to 162.159.48.89 and 2400:cb00:2049:1::a29f:3059, and ns1.openprovider.nl to 162.159.26.10 and 2400:cb00:2049:1::a29f:1a0a.