gaotu.com - robtex.com
gaotu.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.izap.com ⚠️ Not in zone NS records | ||||||
| A | 216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| NS | shell.unixbox.com ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | ip-13-248-169-48.defastlink.net | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776211287 | ||||||
Previously NS for
gaotu.com |
Previously MX for
gaotu.com |
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
○NSgaotu.com2007-10-29 → 2017-03-20 · 4 obs
● 2017-03-20 07:38:20
○ 2026-04-01 11:12:24
○ 2026-04-15 00:24:34
●NSns2.izap.com2007-10-29 → 2026-04-15 · 5 obs
○ 2015-06-05 22:03:44
○ 2017-03-20 07:38:20
● 2026-04-01 11:12:24
● 2026-04-15 00:24:34
●NSshell.unixbox.com2007-10-29 → 2026-04-15 · 5 obs
○ 2015-06-05 22:03:44
○ 2017-03-20 07:38:20
● 2026-04-01 11:12:24
● 2026-04-15 00:24:34
○MXgaotu.com2007-10-29 → 2017-03-20 · 4 obs
● 2017-03-20 07:38:20
○ 2026-04-01 11:12:24
○ 2026-04-15 00:24:34
○A174.133.40.662015-06-05 → 2017-03-20 · 5 obs
● 2015-06-05 22:03:44
● 2017-03-20 07:38:20
○ 2026-04-01 11:12:24
○ 2026-04-15 00:24:34
○A66.98.144.412007-10-29 → 2007-10-29 · 3 obs
○ 2015-06-05 22:03:44
○ 2026-04-15 00:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| gaotu.com | ns2.izap.com, shell.unixbox.com | 2 records |
✅ Authoritative Response
Server:216.218.131.2
NS records: ns2.izap.com, shell.unixbox.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gaotu.com (unsigned zone)
⏱️ Timing
Total: 3316ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.izap.com, shell.unixbox.com)
Analysis
Name Servers
gaotu.com is delegated to two name servers ns2.izap.com and shell.unixbox.com.
gaotu.com at least partially shares name servers with other domains, for instance elfarra.com, bontempodesign.com, bohemian.org, alfarra.com and barakat.net.
These name servers are commonly used with the following name servers: ns1.izap.com, ns3.izap.com, nsd.izap.com, ns1.he.net, ns2.he.net, ns3.he.net, ns4.izap.com, ns5.izap.com, ns4.he.net and ns5.he.net.
Two IP numbers for a host: shell.unixbox.com points to 13.248.169.48 and 76.223.54.146.
One IP number for a host: ns2.izap.com points to 216.218.131.2.