sdlab.dev - robtex.com
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 | v=spf1 +a +mx -all | ||||||
| TXT | google-site-verification=qdHsnhoVKfKK_vRYLxVsgQVBsKm1WH708_nyUB7hMlN | ||||||
| TXT | yandex-verification: dbfa914387b9ffb3 | ||||||
| TXT | google-site-verification=F9EpPU-nRvKkFmmZI7uzFk83eP3p81_gwFD1X_1Ax9s | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-04-20 #3 | ||||||
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 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
●NSb.ns.selectel.ru2026-03-08 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
●NSc.ns.selectel.ru2026-03-08 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
●NSd.ns.selectel.ru2026-03-08 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
●MXmail.sdlab.dev2026-03-08 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
●A79.137.230.1402026-03-08 → 2026-04-23 · 2 obs
● 2026-04-23 21:58:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| sdlab.dev | b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru | - |
✅ Authoritative Response
Server:77.223.114.4
NS records: b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdlab.dev (unsigned zone)
⏱️ Timing
Total: 1251ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.137.230.140 |
| NS | 4 | b.ns.selectel.ru, c.ns.selectel.ru... |
| MX | 1 | mail.sdlab.dev (pri: 10) |
| TXT | 4 | google-site-verification=qdHsnhoVKfKK_vR, v=spf1 +a +mx -all... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
Hierarchy
The parent of mail.sdlab.dev is sdlab.dev.
IP Addresses
sdlab.dev points to IP number: 79.137.230.140.
Other host names, for instance ubm.ru share IP numbers with sdlab.dev.
Name Servers
sdlab.dev is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
sdlab.dev at least partially shares name servers with other domains, for instance zaem-zemi.ru, helgatextil.ru, vulcanm.ru, repka.com and insye.xyz.
These name servers are commonly used with ns1.baz-on.ru and ns2.baz-on.ru.
Host names with two IP numbers: a.ns.selectel.ru points to 2a00:ab00:800::2:53 and 188.68.203.1; b.ns.selectel.ru points to 2a00:ab00:801::2:53 and 77.223.114.2; c.ns.selectel.ru points to 2a00:ab00:802::2:53 and 188.68.203.3; d.ns.selectel.ru points to 2a00:ab00:803::2:53 and 77.223.114.4.
Mail Servers
sdlab.dev is handled by a single mail server, mail.sdlab.dev.
The mail server setup for sdlab.dev mirrors that of other domains, for instance undertake.ru.
mail.sdlab.dev points to a single IP: 79.137.230.138.