schoolcz.ru - robtex.com
schoolcz.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:ab00:1103:7:69::1🇷🇺 SELECTEL-MSK2a00:ab00:1100::/40 Selectel IPv6 Route Object | ||||||
| A | 81.90.180.84🇷🇺 SELECTEL-MSK81.90.180.0/22 | ||||||
| NS | ruvip69.hostiman.ru ⭐ | ||||||
| A | 81.90.183.69🇷🇺 SELECTEL-MSK81.90.180.0/22 | ||||||
| PTR | ruvip69.hostiman.ru | ||||||
| NS | ns1.hostiman.ru | ||||||
| A | 81.90.180.66🇷🇺 SELECTEL-MSK81.90.180.0/22 | ||||||
| PTR | ns1.hostiman.ru | ||||||
| NS | ns2.hostiman.ru | ||||||
| A | 188.68.220.162🇷🇺 SELECTEL188.68.220.0/22 Selectel Route Object | ||||||
| PTR | ns2.hostiman.ru | ||||||
| NS | ns3.hostiman.ru | ||||||
| A | 81.90.180.68🇷🇺 SELECTEL-MSK81.90.180.0/22 | ||||||
| PTR | ns3.hostiman.ru | ||||||
| NS | ns4.hostiman.ru | ||||||
| A | 62.217.180.16🇷🇺 BEGET-AS62.217.180.0/24 BEGET.RU | ||||||
| PTR | ns4.hostiman.ru | ||||||
| MX | mail.schoolcz.ru ⭐ | ||||||
| A | 2a00:ab00:1103:7:69::1🇷🇺 SELECTEL-MSK2a00:ab00:1100::/40 Selectel IPv6 Route Object | ||||||
| A | 81.90.180.84🇷🇺 SELECTEL-MSK81.90.180.0/22 | ||||||
| PTR | ruvip69-180-84.hostiman.com | ||||||
| TXT | v=spf1 ip6:2a00:ab00:1103:7:69::1 ip6:2a00:ab00:1103:7:69::1 a mx ~all | ||||||
| SOA | ruvip69.hostiman.rudnsmanager@hostiman.ru 2026-03-15 #18 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068721 | ||||||
Same first word
schoolcz.ru |
Similar names
DNS History
11 records (8 active, 3 former)
●NSns1.hostiman.ru2026-02-28 → 2026-05-02 · 2 obs
● 2026-05-02 00:07:32
●NSns2.hostiman.ru2026-02-28 → 2026-05-02 · 2 obs
● 2026-05-02 00:07:32
●NSns3.hostiman.ru2026-02-28 → 2026-05-02 · 2 obs
● 2026-05-02 00:07:32
●NSns4.hostiman.ru2026-02-28 → 2026-05-02 · 2 obs
● 2026-05-02 00:07:32
○NSruvip32.hostiman.ru2026-02-28 → 2026-03-10 · 4 obs
● 2026-03-10 02:13:12
○ 2026-04-03 13:02:10
○ 2026-05-02 00:07:32
●NSruvip69.hostiman.ru2026-04-03 → 2026-05-02 · 3 obs
● 2026-04-03 13:02:10
● 2026-05-02 00:07:32
●MXmail.schoolcz.ru2026-02-28 → 2026-05-02 · 2 obs
● 2026-05-02 00:07:32
○A2a00:ab00:1103:7:32::12026-02-28 → 2026-03-10 · 4 obs
● 2026-03-10 02:13:12
○ 2026-04-03 13:02:10
○ 2026-05-02 00:07:32
●A2a00:ab00:1103:7:69::12026-04-03 → 2026-05-02 · 3 obs
● 2026-04-03 13:02:10
● 2026-05-02 00:07:32
●A81.90.180.842026-04-03 → 2026-05-02 · 3 obs
● 2026-04-03 13:02:10
● 2026-05-02 00:07:32
○A81.90.181.592026-02-28 → 2026-03-10 · 4 obs
● 2026-03-10 02:13:12
○ 2026-04-03 13:02:10
○ 2026-05-02 00:07:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| schoolcz.ru | ns4.hostiman.ru, ns3.hostiman.ru, ns1.hostiman.ru, ns2.hostiman.ru | - |
✅ Authoritative Response
Server:81.90.180.66
NS records: ns4.hostiman.ru, ns3.hostiman.ru, ns1.hostiman.ru, ns2.hostiman.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schoolcz.ru (unsigned zone)
⏱️ Timing
Total: 1875ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.90.180.84 |
| AAAA | 1 | 2a00:ab00:1103:7:69::1 |
| NS | 4 | ns2.hostiman.ru, ns3.hostiman.ru... |
| MX | 2 | mail.schoolcz.ru (pri: 10), mail.schoolcz.ru (pri: 20) |
| TXT | 1 | v=spf1 ip6:2a00:ab00:1103:7:69::1 ip6:2a |
| SOA | 1 | ruvip69.hostiman.ru dnsmanager.hostiman. |
Analysis
IP Addresses
schoolcz.ru points to two IP numbers: 2a00:ab00:1103:7:69::1 and 81.90.180.84.
Other host names, for instance mail.a-creed.ru, mail.ltrips.ru, undora.ru, autoheader.ru and mail.cs-games.uz share IP numbers with schoolcz.ru.
Name Servers
schoolcz.ru is delegated to five name servers: ns1.hostiman.ru, ns2.hostiman.ru, ns3.hostiman.ru, ns4.hostiman.ru and ruvip69.hostiman.ru.
schoolcz.ru at least partially shares its name servers with other domains, for instance buh-prof.ru, vsenarodnaya-medicina.ru, offnews.ru, lvru.ru and air-time.pro.
These name servers are commonly used with ns3.hostiman.com, ns4.hostiman.com, ruvip66.hostiman.ru, ruvip68.hostiman.ru, ruvip51.hostiman.ru, ruvip55.hostiman.ru, ruvip37.hostiman.ru, ruvip42.hostiman.ru, s267980.hostiman.com and ruvip54.hostiman.ru.
Host names with one IP number:
ns1.hostiman.ru points to 81.90.180.66; ns2.hostiman.ru points to 188.68.220.162; ns3.hostiman.ru points to 81.90.180.68; ns4.hostiman.ru points to 62.217.180.16; ruvip69.hostiman.ru points to 81.90.183.69.
Mail Servers
schoolcz.ru is served by a single mail server, mail.schoolcz.ru.
Hostname mail.schoolcz.ru resolves to two IPs: 2a00:ab00:1103:7:69::1 and 81.90.180.84.