os520.com - robtex.com
os520.com
| DNSSEC | ⚠️ Not signed | ||||||
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=1777232011 | ||||||
Subdomains
www.os520.com |
Same first word
os520.com |
Similar names
DNS History
12 records (0 active, 12 former)
○NSf1g1ns1.dnspod.net2020-01-01 → 2020-01-01 · 3 obs
○ 2017-02-07 12:06:16
● 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
● 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
○NSjuming.dnsdun.com2017-02-07 → 2017-02-07 · 4 obs
○ 2015-11-21 16:49:48
● 2017-02-07 12:06:16
○ 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
● 2017-02-07 12:06:16
○ 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
○NSjuming.dnsdun.net2017-02-07 → 2017-02-07 · 3 obs
○ 2015-11-21 16:49:48
● 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
● 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
○NSns1.51dns.com2015-08-02 → 2015-11-21 · 4 obs
● 2015-08-02 23:30:24
● 2015-11-21 16:49:48
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
● 2015-11-21 16:49:48
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
○NSns2.51dns.com2015-08-02 → 2015-08-02 · 3 obs
● 2015-08-02 23:30:24
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
○NSns7.alidns.com2026-04-26 → 2026-04-26 · 1 obs
○ 2026-04-26 19:34:42
○NSns8.alidns.com2026-04-26 → 2026-04-26 · 1 obs
○ 2026-04-26 19:34:42
○A104.233.155.2062017-02-07 → 2017-02-07 · 4 obs
○ 2015-11-21 16:49:48
● 2017-02-07 12:06:16
○ 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
● 2017-02-07 12:06:16
○ 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
○A104.233.235.1012020-01-01 → 2020-01-01 · 3 obs
○ 2017-02-07 12:06:16
● 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
● 2020-01-01 21:10:20
○ 2026-04-26 19:34:42
○A221.229.166.152015-08-02 → 2015-08-02 · 3 obs
● 2015-08-02 23:30:24
○ 2015-11-21 16:49:48
○ 2026-04-26 19:34:42
○ 2015-11-21 16:49:48
○ 2026-04-26 19:34:42
○A61.160.213.22015-11-21 → 2015-11-21 · 4 obs
○ 2015-08-02 23:30:24
● 2015-11-21 16:49:48
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
● 2015-11-21 16:49:48
○ 2017-02-07 12:06:16
○ 2026-04-26 19:34:42
○CNAMEexpired.hichina.com2026-04-26 → 2026-04-26 · 1 obs
○ 2026-04-26 19:34:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.42.93.30
NS records: g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|