sdlab.dev - dns.ninja
sdlab.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.137.230.140🇷🇺 DINET-AS79.137.224.0/21 DINET-HOSTING | ||||||
| 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 | mail.sdlab.dev ⭐ | ||||||
| A | 79.137.230.138🇷🇺 DINET-AS79.137.224.0/21 DINET-HOSTING | ||||||
| PTR | mail.sdlab.dev | ||||||
| TXT | yandex-verification: dbfa914387b9ffb3 | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| TXT | google-site-verification=qdHsnhoVKfKK_vRYLxVsgQVBsKm1WH708_nyUB7hMlN | ||||||
| TXT | google-site-verification=F9EpPU-nRvKkFmmZI7uzFk83eP3p81_gwFD1X_1Ax9s | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-07-23 #2 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
🔒 HSTS Preload (+subdomains)
Subdomains
mail.sdlab.dev |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSa.ns.selectel.ru2026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
●NSb.ns.selectel.ru2026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
●NSc.ns.selectel.ru2026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
●NSd.ns.selectel.ru2026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
●MXmail.sdlab.dev2026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
●A79.137.230.1402026-03-08 → 2026-07-28 · 2 obs
● 2026-07-28 03:55:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| sdlab.dev | a.ns.selectel.ru, d.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru | - |
✅ Authoritative Response
Server:188.68.203.3
NS records: a.ns.selectel.ru, d.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdlab.dev (unsigned zone)
⏱️ Timing
Total: 1095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.137.230.140 |
| NS | 4 | d.ns.selectel.ru, c.ns.selectel.ru... |
| MX | 1 | mail.sdlab.dev (pri: 10) |
| TXT | 4 | yandex-verification: dbfa914387b9ffb3, v=spf1 +a +mx -all... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
Hierarchy
sdlab.dev is a parent domain of mail.sdlab.dev.
IP Addresses
sdlab.dev directs to one IP number, which is 79.137.230.140.
Host names like ubm.ru are further examples that share IP numbers with sdlab.dev.
Name Servers
The domain sdlab.dev is delegated to these four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
sdlab.dev shares at least some of its name servers with other domains, including zaem-zemi.ru, helgatextil.ru, vulcanm.ru and two others.
These name servers are frequently seen alongside the name servers ns1.baz-on.ru, ns2.baz-on.ru, ns1.hosting.reg.ru and ns2.hosting.reg.ru.
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
sdlab.dev routes its mail through a single mail server, mail.sdlab.dev.
sdlab.dev and domains like undertake.ru share an identical mail server configuration.
mail.sdlab.dev carries a single IP number, which is 79.137.230.138.