gradeschool.ru - robtex.com
gradeschool.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.210.46.38🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | vps-6b472297.vps.ovh.net | ||||||
| NS | ns1.gradeschool.ru ⭐ ⚠️ Not in parent delegation | ||||||
| A | 51.210.46.38🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | vps-6b472297.vps.ovh.net | ||||||
| NS | ns1.dnsprivate001.com ⚠️ Not in zone NS records | ||||||
| A | 161.104.18.30🇫🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| PTR | 161-104-18-30.cloudvps.regruhosting.ru | ||||||
| NS | ns2.dnsprivate001.com ⚠️ Not in zone NS records | ||||||
| A | 161.104.18.30🇫🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| PTR | 161-104-18-30.cloudvps.regruhosting.ru | ||||||
| NS | ns2.gradeschool.ru ⚠️ Not in parent delegation | ||||||
| A | 51.210.46.38🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | vps-6b472297.vps.ovh.net | ||||||
| MX | mail.gradeschool.ru(20) | ||||||
| A | 51.210.46.38🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | vps-6b472297.vps.ovh.net | ||||||
| TXT | v=spf1 ip4:51.210.46.38 mx a -all | ||||||
| SOA | ns1.gradeschool.ruadministrator@gradeschool.ru 2014-02-17 #40 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4070000 | ||||||
Subdomains
Same first word
gradeschool.org |
gradeschool.xyz |
gradeschool.ru |
Similar names
DNS History
18 records (6 active, 12 former)
●NSns1.dnsprivate001.com2026-08-09 → 2026-08-15 · 3 obs
● 2026-08-09 13:33:04
● 2026-08-15 20:31:18
●NSns1.gradeschool.ru2026-06-08 → 2026-08-15 · 3 obs
● 2026-06-08 16:52:08
● 2026-08-15 20:31:18
○NSns1.privatednshost001.ru2026-06-07 → 2026-06-07 · 4 obs
● 2026-06-07 16:50:16
○ 2026-08-09 13:33:04
○ 2026-08-15 20:31:18
○NSns1.timeweb.ru2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
●NSns2.dnsprivate001.com2026-08-09 → 2026-08-15 · 3 obs
● 2026-08-09 13:33:04
● 2026-08-15 20:31:18
●NSns2.gradeschool.ru2026-06-08 → 2026-08-15 · 3 obs
● 2026-06-08 16:52:08
● 2026-08-15 20:31:18
○NSns2.privatednshost001.ru2026-06-07 → 2026-06-07 · 4 obs
● 2026-06-07 16:50:16
○ 2026-08-09 13:33:04
○ 2026-08-15 20:31:18
○NSns2.timeweb.ru2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
○NSns3.timeweb.org2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
○NSns4.timeweb.org2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
○MXiuhd.gradeschool.ru2026-06-08 → 2026-06-08 · 4 obs
● 2026-06-08 16:52:08
○ 2026-06-19 16:42:18
○ 2026-08-15 20:31:18
●MXmail.gradeschool.ru2026-06-08 → 2026-08-15 · 3 obs
● 2026-06-08 16:52:08
● 2026-08-15 20:31:18
○MXmx1.timeweb.ru2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
○MXmx2.timeweb.ru2015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
○A164.132.45.592026-06-08 → 2026-06-08 · 4 obs
● 2026-06-08 16:52:08
○ 2026-06-19 16:42:18
○ 2026-08-15 20:31:18
○A2a03:6f00:1::5c35:60242015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
●A51.210.46.382026-06-19 → 2026-08-15 · 3 obs
● 2026-06-19 16:42:18
● 2026-08-15 20:31:18
○A92.53.96.362015-08-17 → 2016-05-26 · 4 obs
● 2016-05-26 15:46:28
○ 2017-02-13 21:15:24
○ 2026-08-15 20:31:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| gradeschool.ru | ns2.dnsprivate001.com, ns1.dnsprivate001.com | - |
✅ Authoritative Response
Server:161.104.18.30
NS records: ns2.dnsprivate001.com, ns1.dnsprivate001.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradeschool.ru (unsigned zone)
⏱️ Timing
Total: 1204ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.210.46.38 |
| NS | 2 | ns1.gradeschool.ru, ns2.gradeschool.ru |
| MX | 4 | mail.gradeschool.ru (pri: 30), mail.gradeschool.ru (pri: 10)... |
| TXT | 1 | v=spf1 ip4:51.210.46.38 mx a -all |
| SOA | 1 | ns1.gradeschool.ru administrator.gradesc |
Analysis
Hierarchy
The domain gradeschool.ru is parent to mail.gradeschool.ru, ns1.gradeschool.ru and ns2.gradeschool.ru.
IP Addresses
gradeschool.ru resolves to one IP address: 51.210.46.38.
streetbanner.ru, ns1.dimashmelev.ru, ns2.begoniia.ru and two other host names share IP numbers with gradeschool.ru.
Name Servers
The authoritative name servers for gradeschool.ru are ns1.dnsprivate001.com, ns2.dnsprivate001.com, ns1.gradeschool.ru and ns2.gradeschool.ru.
At least some of gradeschool.ru's name servers are shared with other domains, for example blockchainguard.ru, ituenayar.ru, b4bgrouprb.ru and two more.
These name servers tend to co-occur with ns1.blockchainguard.ru, ns2.blockchainguard.ru, ns1.workblogger.ru and 5 other name servers in the same DNS delegations.
Four host names each point to one IP address: ns1.dnsprivate001.com and ns2.dnsprivate001.com both point to 161.104.18.30, and ns1.gradeschool.ru and ns2.gradeschool.ru both point to 51.210.46.38.
Both ns1.dnsprivate001.com and ns2.dnsprivate001.com resolve to 161.104.18.30 IP addresses each.
Both ns1.gradeschool.ru and ns2.gradeschool.ru resolve to 51.210.46.38 IP addresses each.
Mail Servers
Mail for gradeschool.ru is handled by a single mail server, mail.gradeschool.ru.
mail.gradeschool.ru directs to just one IP number, 51.210.46.38.