devnull.su - robtex.com
devnull.su
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.masterhost.ru ⚠️ Not in zone NS records | ||||||
| A | 2a00:15f8:a000:10:1:1:0:53AS255322a00:15f8:a000::/48 | ||||||
| A | 90.156.136.116 | ||||||
| NS | ns1.masterhost.ru ⚠️ Not in zone NS records | ||||||
| A | 2a00:15f8:a000:11:1:1:1:53AS255322a00:15f8:a000::/48 | ||||||
| A | 90.156.137.50 | ||||||
| NS | ns2.masterhost.ru ⚠️ Not in zone NS records | ||||||
| A | 2a00:15f8:a000:12:1:1:2:53AS255322a00:15f8:a000::/48 | ||||||
| A | 90.156.133.161 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650211232 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (3 active, 1 former)
●NSns.masterhost.ru2026-11-05 → 2026-11-07 · 2 obs
● 2026-11-05 12:52:08
● 2026-11-07 12:56:48
● 2026-11-07 12:56:48
●NSns1.masterhost.ru2026-11-05 → 2026-11-07 · 2 obs
● 2026-11-05 12:52:08
● 2026-11-07 12:56:48
● 2026-11-07 12:56:48
●NSns2.masterhost.ru2026-11-05 → 2026-11-07 · 2 obs
● 2026-11-05 12:52:08
● 2026-11-07 12:56:48
● 2026-11-07 12:56:48
○A51.15.114.672026-11-05 → 2026-11-05 · 3 obs
● 2026-11-05 12:52:08
○ 2026-11-07 12:48:36
○ 2026-11-07 12:56:48
○ 2026-11-07 12:48:36
○ 2026-11-07 12:56:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net... | 12 records |
| devnull.su | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.136.116
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devnull.su (unsigned zone)
⏱️ Timing
Total: 2486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.15.114.67 |
| NS | 3 | ns.masterhost.ru, ns2.masterhost.ru... |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Name Servers
The authoritative name servers for devnull.su are ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru — three in total.
ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru all resolve to exactly two IP numbers apiece: ns1.masterhost.ru → 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53; ns2.masterhost.ru → 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53; ns.masterhost.ru → 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.