dosug-nu.com - robtex.com
dosug-nu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.244.49.18🇷🇺 HOSTKEY-AS185.244.49.0/24 | ||||||
| PTR | parking.isp21.adminvps.net | ||||||
| NS | ns1.adminvps.ru ⭐ | ||||||
| A | 144.76.66.206🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | ns1.adminvps.ru | ||||||
| NS | ns2.adminvps.net ⚠️ Not in parent delegation | ||||||
| A | 185.250.46.206🇷🇺 AdminVPS185.250.46.0/24 | ||||||
| NS | ns2.adminvps.ru ⚠️ Not in zone NS records | ||||||
| A | 185.250.46.206🇷🇺 AdminVPS185.250.46.0/24 | ||||||
| NS | ns3.adminvps.ru | ||||||
| A | 5.253.63.50🇳🇱 HOSTKEY-AS5.253.63.0/24 | ||||||
| NS | ns4.adminvps.net ⚠️ Not in parent delegation | ||||||
| A | 94.26.240.170🇷🇺 SELECTEL94.26.240.0/22 Selectel Route Object | ||||||
| NS | ns4.adminvps.ru ⚠️ Not in zone NS records | ||||||
| A | 94.26.240.170🇷🇺 SELECTEL94.26.240.0/22 Selectel Route Object | ||||||
| MX | mail.dosug-nu.com(20) | ||||||
| A | 185.244.49.18🇷🇺 HOSTKEY-AS185.244.49.0/24 | ||||||
| PTR | parking.isp21.adminvps.net | ||||||
| TXT | v=spf1 ip4:185.244.49.17 ip4:185.244.49.17 a mx ~all | ||||||
| SOA | ns1.adminvps.ruroot@example.com 2025-12-26 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776216827 | ||||||
Subdomains
Same first word
dosug-nu.com |
DNS History
14 records (8 active, 6 former)
○NSisp6.adminvps.ru2015-07-17 → 2017-06-08 · 5 obs
● 2015-07-17 02:09:04
● 2017-06-08 18:09:54
○ 2026-02-27 08:11:14
○ 2026-04-15 01:52:58
●NSns1.adminvps.ru2015-07-17 → 2026-04-15 · 3 obs
● 2015-07-17 02:09:04
● 2026-04-15 01:52:58
○NSns1.spaceweb.ru2008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-17 02:09:04
○ 2026-04-15 01:52:58
●NSns2.adminvps.net2026-02-27 → 2026-04-15 · 3 obs
● 2026-02-27 08:11:14
● 2026-04-15 01:52:58
●NSns2.adminvps.ru2015-07-17 → 2026-04-15 · 3 obs
● 2015-07-17 02:09:04
● 2026-04-15 01:52:58
○NSns2.spaceweb.ru2008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-17 02:09:04
○ 2026-04-15 01:52:58
●NSns3.adminvps.ru2015-07-17 → 2026-04-15 · 3 obs
● 2015-07-17 02:09:04
● 2026-04-15 01:52:58
●NSns4.adminvps.net2026-02-27 → 2026-04-15 · 3 obs
● 2026-02-27 08:11:14
● 2026-04-15 01:52:58
●NSns4.adminvps.ru2015-07-17 → 2026-04-15 · 3 obs
● 2015-07-17 02:09:04
● 2026-04-15 01:52:58
●MXmail.dosug-nu.com2015-07-17 → 2026-04-15 · 3 obs
● 2015-07-17 02:09:04
● 2026-04-15 01:52:58
○MXmx1.spaceweb.ru2008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-17 02:09:04
○ 2026-04-15 01:52:58
○MXmx2.spaceweb.ru2008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-17 02:09:04
○ 2026-04-15 01:52:58
○A109.236.94.1702015-07-17 → 2017-06-08 · 5 obs
● 2015-07-17 02:09:04
● 2017-06-08 18:09:54
○ 2026-02-27 08:11:14
○ 2026-04-15 01:52:58
●A185.244.49.182026-02-27 → 2026-04-15 · 3 obs
● 2026-02-27 08:11:14
● 2026-04-15 01:52:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| dosug-nu.com | ns1.adminvps.ru, ns2.adminvps.ru, ns3.adminvps.ru, ns4.adminvps.ru | - |
✅ Authoritative Response
Server:94.26.240.170
NS records: ns1.adminvps.ru, ns2.adminvps.ru, ns3.adminvps.ru, ns4.adminvps.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dosug-nu.com (unsigned zone)
⏱️ Timing
Total: 3667ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.244.49.18 |
| NS | 4 | ns4.adminvps.net, ns2.adminvps.net... |
| MX | 2 | mail.dosug-nu.com (pri: 20), mail.dosug-nu.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:185.244.49.17 ip4:185.244.49. |
| SOA | 1 | ns1.adminvps.ru root.example.com |
Analysis
Hierarchy
dosug-nu.com is the parent of www.dosug-nu.com and mail.dosug-nu.com.
IP Addresses
dosug-nu.com resolves to a single IP: 185.244.49.18.
Other host names, for instance mail.mathprofi.net, mail.cyberpunk.su, seks-skype.ru, mail.sokolworkshop.com and mail.zezeze.ru share IP numbers with dosug-nu.com.
Name Servers
dosug-nu.com is delegated to six name servers: ns2.adminvps.net, ns4.adminvps.net, ns1.adminvps.ru, ns2.adminvps.ru, ns3.adminvps.ru and ns4.adminvps.ru.
dosug-nu.com shares some name servers with other domains, for example xn--80aacxqbhucbnep.xn--p1ai, master-find.ru, system-marketing.ru, ustuhure.ru and tverigrad.ru.
These name servers are often used together with isp29.adminvsp.net, ru-ru1-vm-shrd-33.adminvps.net and isp16.adminvps.ru.
Host names with a single IP:
Host ns2.adminvps.net points to 185.250.46.206.
Host ns4.adminvps.net points to 94.26.240.170.
Host ns1.adminvps.ru points to 144.76.66.206.
Host ns2.adminvps.ru points to 185.250.46.206.
Host ns3.adminvps.ru points to 5.253.63.50.
Host ns4.adminvps.ru points to 94.26.240.170.
Host names pointing to 185.250.46.206: ns2.adminvps.net and ns2.adminvps.ru.
Host names pointing to 94.26.240.170: ns4.adminvps.net and ns4.adminvps.ru.
Mail Servers
dosug-nu.com is handled by a single mail server, mail.dosug-nu.com.
Host name mail.dosug-nu.com points to IP 185.244.49.18.