oha.su - dns.ninja
oha.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.158.254.4🇷🇺 OKBPROGRESS195.158.254.0/23 | ||||||
| NS | ns1.kosmohost.com ⭐ | ||||||
| A | 37.228.92.2🇷🇺 MTW-AS37.228.92.0/24 JSC MTW.RU | ||||||
| NS | ns2.kosmohost.com | ||||||
| A | 81.177.26.96🇷🇺 RTCOMM-AS81.177.0.0/19 RTCOMM-RU | ||||||
| PTR | ns2.nocsu.com | ||||||
| MX | mail.oha.su ⭐ | ||||||
| A | 195.158.254.4🇷🇺 OKBPROGRESS195.158.254.0/23 | ||||||
| TXT | v=spf1 a mx ip4:195.158.254.14 ~all | ||||||
| SOA | ns1.kosmohost.comhostmaster@oha.su 2024-09-05 #0 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru ⚠️ Not in parent delegation | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650209991 | ||||||
Subdomains
mail.oha.su |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.kosmohost.com2015-05-02 → 2026-07-27 · 2 obs
● 2026-07-27 19:13:30
●NSns2.kosmohost.com2015-05-02 → 2026-07-27 · 2 obs
● 2026-07-27 19:13:30
●MXmail.oha.su2015-05-02 → 2026-07-27 · 2 obs
● 2026-07-27 19:13:30
●A195.158.254.42026-02-20 → 2026-07-27 · 3 obs
● 2026-02-20 01:17:16
● 2026-07-27 19:13:30
○A195.158.254.52015-05-02 → 2020-12-20 · 4 obs
● 2020-12-20 01:45:06
○ 2026-02-20 01:17:16
○ 2026-07-27 19:13:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| oha.su | ns1.kosmohost.com, ns2.kosmohost.com | - |
✅ Authoritative Response
Server:37.228.92.2
NS records: ns1.kosmohost.com, ns2.kosmohost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oha.su (unsigned zone)
⏱️ Timing
Total: 1082ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.158.254.4 |
| NS | 2 | ns1.kosmohost.com, ns2.kosmohost.com |
| MX | 1 | mail.oha.su (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:195.158.254.14 ~all |
| SOA | 1 | ns1.kosmohost.com hostmaster.oha.su |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
oha.su is the parent zone for mail.oha.su.
IP Addresses
oha.su resolves to just one IP address, 195.158.254.4.
Two other host names, along with mail.1424.ru, samexpress.ru and zapchastibe.ru, also share IP numbers with oha.su.
Name Servers
Two name servers handle the delegation for oha.su: ns1.kosmohost.com and ns2.kosmohost.com.
oha.su shares its NS records with other domains, for example olgadance.ru, server1.kosmohost.ru, 90.254.158.195.in-addr.arpa and two others.
oha.su partially shares its name servers with domains like 66.254.158.195.in-addr.arpa and 65.254.158.195.in-addr.arpa.
These name servers often co-occur with the name servers ns3.kosmohost.com.
ns1.kosmohost.com resolves to 37.228.92.2. ns2.kosmohost.com resolves to 81.177.26.96. Both host names point to a single IP number.
Mail Servers
The sole mail server for oha.su is mail.oha.su.
mail.oha.su carries a single IP number, which is 195.158.254.4.