don.su - dns.ninja
don.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 158.160.154.71🇷🇺 YandexCloud158.160.0.0/16 | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | a.ns.selectel.ru | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | b.ns.selectel.ru | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | c.ns.selectel.ru | ||||||
| NS | d.ns.selectel.ru | ||||||
| A | 2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | d.ns.selectel.ru | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | yandex-verification: 7b3e20cc4f5c14fe | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net redirect=_spf.mail.ru | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-08-03 #4 | ||||||
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=650210239 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSa.ns.selectel.ru2026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
●NSb.ns.selectel.ru2026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
●NSc.ns.selectel.ru2026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
●NSd.ns.selectel.ru2026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
○NSns1.ispvds.com2015-08-15 → 2017-01-03 · 4 obs
● 2017-01-03 15:51:18
○ 2026-03-02 00:50:08
○ 2026-08-17 08:40:02
○NSns2.ispvds.com2015-08-15 → 2017-01-03 · 4 obs
● 2017-01-03 15:51:18
○ 2026-03-02 00:50:08
○ 2026-08-17 08:40:02
●MXemx.mail.ru2026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
○MXmail.don.su2015-08-15 → 2017-01-03 · 4 obs
● 2017-01-03 15:51:18
○ 2026-03-02 00:50:08
○ 2026-08-17 08:40:02
●A158.160.154.712026-03-02 → 2026-08-17 · 3 obs
● 2026-03-02 00:50:08
● 2026-08-17 08:40:02
○A92.63.103.1012015-08-15 → 2017-01-03 · 4 obs
● 2017-01-03 15:51:18
○ 2026-03-02 00:50:08
○ 2026-08-17 08:40:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | 12 records |
| don.su | a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru | - |
✅ Authoritative Response
Server:77.223.114.4
NS records: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for don.su (unsigned zone)
⏱️ Timing
Total: 1359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.160.154.71 |
| NS | 4 | d.ns.selectel.ru, b.ns.selectel.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | yandex-verification: 7b3e20cc4f5c14fe, v=spf1 redirect=_spf.yandex.net redirect |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
Hierarchy
don.su is the parent domain of rnd.don.su and mail.don.su.
IP Addresses
don.su points to a single IP number: 158.160.154.71.
Host names such as mail.don.su and rnd.don.su share IP numbers with don.su.
Name Servers
don.su has four authoritative name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
don.su shares at least some of its name servers with other domains, including delovgo.ru, gkd.ru, net2020.ru and two others.
The host names a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru each resolve to two IP addresses: a.ns.selectel.ru resolves to 188.68.203.1 and 2a00:ab00:800::2:53; b.ns.selectel.ru resolves to 77.223.114.2 and 2a00:ab00:801::2:53; c.ns.selectel.ru resolves to 188.68.203.3 and 2a00:ab00:802::2:53; d.ns.selectel.ru resolves to 77.223.114.4 and 2a00:ab00:803::2:53.
Mail Servers
don.su has one mail server: emx.mail.ru.
don.su shares the same mail server setup as other domains, including 1-time.com, 6664.ru, defrocksounds.com and two others.
At least some of don.su's mail servers are shared with other domains, among them event-rus.ru, gks38.ru and ramzavod.ru.
emx.mail.ru points to two IP addresses: 94.100.180.180 and 217.69.139.180.