planetlab4.postel.org - robtex.com
planetlab4.postel.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.117.37.7🇺🇸 ISI206.117.37.0/24 | ||||||
| PTR | planetlab4.postel.org | ||||||
postel.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.9.40.205🇺🇸 ISI128.9.40.0/24 | ||||||
| NS | dns.postel.org ⭐ | ||||||
| NS | ns-e.b.isi.edu | ||||||
| NS | ns-lax.b.isi.edu | ||||||
| NS | ns-w.b.isi.edu | ||||||
| MX | www.postel.org ⭐ | ||||||
| TXT | v=spf1 mx a:www.postel.org ~all | ||||||
| SOA | dns.postel.orghostmaster@postel.org 2023-12-31 #0 | ||||||
rank #640276 globally
rank #48959 in the tld
WOT: SAFE (81/100)
📈 Tranco rank: #878,191
PTR for
DNS History
1 record (1 active, 0 former)
●A206.117.37.72018-07-17 → 2026-05-10 · 2 obs
● 2018-07-17 10:53:08
● 2026-05-10 22:27:56
● 2026-05-10 22:27:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| postel.org | ns-e.b.isi.edu, ns-w.b.isi.edu, ns-lax.b.isi.edu | - |
✅ Authoritative Response
Server:206.117.5.92
NS records: ns-e.b.isi.edu, ns-w.b.isi.edu, ns-lax.b.isi.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for postel.org (unsigned zone)
⏱️ Timing
Total: 461ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.117.37.7 |
Analysis
IP Addresses
planetlab4.postel.org points to a single IP address: 206.117.37.7.