level3.madrid - robtex.com
level3.madrid
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.l3.net ⚠️ Not in zone NS records | ||||||
| A | 209.244.0.1🇺🇸 AS3356209.244.0.0/14 | ||||||
| PTR | ns1.level3.net | ||||||
| NS | ns2.l3.net ⚠️ Not in zone NS records | ||||||
| A | 209.244.0.2🇺🇸 AS3356209.244.0.0/14 | ||||||
| PTR | ns2.level3.net | ||||||
madrid
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | anycast9.irondns.net ⭐ | ||||||
| NS | anycast10.irondns.net | ||||||
| NS | anycast23.irondns.net | ||||||
| NS | anycast24.irondns.net | ||||||
| SOA | anycast9.irondns.netdnsmaster@corenic.org serial=2608031102 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| madrid | anycast9.irondns.net, anycast10.irondns.net, anycast23.irondns.net, anycast24.irondns.net | 8 records |
| level3.madrid | ns2.l3.net, ns1.l3.net | - |
✅ Authoritative Response
Server:209.244.0.1
NS records: ns2.l3.net, ns1.l3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for level3.madrid (unsigned zone)
⏱️ Timing
Total: 3206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (anycast9.irondns.net, anycast10.irondns.net, anycast23.irondns.net...)
Analysis
Name Servers
level3.madrid is served by two delegated name servers, ns1.l3.net and ns2.l3.net.
level3.madrid shares its NS records with other domains, for example vyvx.sx, vyvx.cloud, level3.blog and two others.
There is at least partial name server overlap between level3.madrid and other domains — level3games.org, theagentzone.com, broadwing.biz and two more among them.
These name servers frequently co-occur with the name servers ns1.level3.net and ns2.level3.net.
ns1.l3.net → 209.244.0.1 and ns2.l3.net → 209.244.0.2: one IP number per host name.