acm.ru - dns.ninja
acm.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069124 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSdns1.yandex.net2026-02-16 → 2026-06-03 · 3 obs
● 2026-02-16 00:25:36
● 2026-06-03 22:35:44
●NSdns2.yandex.net2026-02-16 → 2026-06-03 · 3 obs
● 2026-02-16 00:25:36
● 2026-06-03 22:35:44
○A31.170.165.1792015-08-16 → 2016-01-31 · 4 obs
● 2016-01-31 23:09:06
○ 2016-03-10 14:17:18
○ 2026-06-03 22:35:44
○A37.140.192.1592016-03-10 → 2017-01-10 · 5 obs
● 2016-03-10 14:17:18
● 2017-01-10 15:46:16
○ 2017-07-28 17:21:10
○ 2026-06-03 22:35:44
●A5.172.10.1612017-07-28 → 2026-06-03 · 3 obs
● 2017-07-28 17:21:10
● 2026-06-03 22:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| acm.ru | dns1.yandex.ru, dns2.yandex.ru | - |
✅ Authoritative Response
Server:93.158.134.213
NS records: dns1.yandex.ru, dns2.yandex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for acm.ru (unsigned zone)
⏱️ Timing
Total: 4496ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.172.10.161 |
| NS | 2 | dns2.yandex.net, dns1.yandex.net |
| MX | 1 | mx.yandex.ru (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.yandex.ru, globalsign-domain-verification=P0tHAMjp1 |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
Hierarchy
The domain acm.ru is a parent of ns.acm.ru, www.acm.ru, ns2.acm.ru and mail.acm.ru.
IP Addresses
acm.ru resolves to just one IP address, 5.172.10.161.
Other host names, among them ns.acm.ru and www.acm.ru, have IP numbers in common with acm.ru.
Name Servers
Authority for acm.ru is delegated across 4 name servers: dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru.
At least some of acm.ru's name servers are shared with other domains, for example obr46.ru, christie.pro, soundclip.ru and two more.
dns1.yandex.net and dns1.yandex.ru both point to 213.180.204.213 and 2a02:6b8::213; dns2.yandex.net and dns2.yandex.ru both point to 93.158.134.213 and 2a02:6b8:0:1::213 — all four hostnames (dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru) resolve to exactly two IP addresses.
dns1.yandex.net along with dns1.yandex.ru each resolve to 2a02:6b8::213 IP addresses.
dns1.yandex.net along with dns1.yandex.ru each resolve to 213.180.204.213 IP addresses.
dns2.yandex.net along with dns2.yandex.ru each resolve to 2a02:6b8:0:1::213 IP addresses.
dns2.yandex.net along with dns2.yandex.ru each resolve to 93.158.134.213 IP addresses.
Mail Servers
The sole mail server for acm.ru is mx.yandex.ru.
Among the domains sharing a mail server setup with acm.ru are helipro.ru, austel.ru, avfilm.ru and two others.
acm.ru uses mail servers that are also used by other domains, including reklamu.ru, foxter.ru and nordsteel.ru.
mx.yandex.ru directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.