stdw.tech - dns.ninja
stdw.tech
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | mailru-domain: iIJzUuwOf1oi6qUJ | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-07-28 #2 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1785454434 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSa.ns.selectel.ru2026-04-11 → 2026-07-31 · 2 obs
● 2026-07-31 00:37:20
●NSb.ns.selectel.ru2026-04-11 → 2026-07-31 · 2 obs
● 2026-07-31 00:37:20
●NSc.ns.selectel.ru2026-04-11 → 2026-07-31 · 2 obs
● 2026-07-31 00:37:20
●NSd.ns.selectel.ru2026-04-11 → 2026-07-31 · 2 obs
● 2026-07-31 00:37:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| stdw.tech | c.ns.selectel.ru, a.ns.selectel.ru, b.ns.selectel.ru, d.ns.selectel.ru | - |
✅ Authoritative Response
Server:188.68.203.3
NS records: c.ns.selectel.ru, a.ns.selectel.ru, b.ns.selectel.ru, d.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdw.tech (unsigned zone)
⏱️ Timing
Total: 1224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | c.ns.selectel.ru, d.ns.selectel.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.mail.ru, mailru-domain: iIJzUuwOf1oi6qUJ |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
Name Servers
Four name servers handle the delegation for stdw.tech: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
stdw.tech has at least partial name server overlap with other domains, such as artkafegosti.ru, elttros.ru, legkomedia.ru and two others.
It is common to see these name servers used together with name servers ns1.baz-on.ru and ns2.baz-on.ru.
a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru all point to exactly two IP numbers each: a.ns.selectel.ru → 188.68.203.1 and 2a00:ab00:800::2:53; b.ns.selectel.ru → 77.223.114.2 and 2a00:ab00:801::2:53; c.ns.selectel.ru → 188.68.203.3 and 2a00:ab00:802::2:53; d.ns.selectel.ru → 77.223.114.4 and 2a00:ab00:803::2:53.
Mail Servers
stdw.tech uses one mail server — emx.mail.ru.
The mail server setup of stdw.tech matches that of other domains such as contrcrime.ru, shoplr.kz, kubau.ru and two others.
At least some of the mail servers used by stdw.tech are shared with other domains: iqos.ru, ngknn.ru, ele.su and two others among them.
emx.mail.ru has two IP addresses: 94.100.180.180 and 217.69.139.180.