440school.ru - robtex.com
440school.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.204.56.84🇷🇺 YUNTA-AS91.204.56.0/23 Yunta Ltd. | ||||||
| PTR | nw-tec.ru | ||||||
| NS | dns1.yandex.net ⭐ | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns2.yandex.net | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=8 | ||||||
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=4068274 | ||||||
Same first word
440school.ru |
Similar names
DNS History
11 records (4 active, 7 former)
●NSdns1.yandex.net2015-12-02 → 2026-03-25 · 3 obs
● 2015-12-02 13:59:28
● 2026-03-25 20:18:46
●NSdns2.yandex.net2015-12-02 → 2026-03-25 · 3 obs
● 2015-12-02 13:59:28
● 2026-03-25 20:18:46
○NSns1.spaceweb.ru2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
○NSns2.spaceweb.ru2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
○NSns3.spaceweb.pro2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
○NSns4.spaceweb.pro2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
●MXmx.yandex.net2015-12-02 → 2026-03-25 · 3 obs
● 2015-12-02 13:59:28
● 2026-03-25 20:18:46
○MXmx.yandex.ru2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
○A188.243.208.832015-12-02 → 2016-07-10 · 5 obs
● 2015-12-02 13:59:28
● 2016-07-10 04:23:30
○ 2026-03-04 23:44:20
○ 2026-03-25 20:18:46
●A91.204.56.842026-03-04 → 2026-03-25 · 3 obs
● 2026-03-04 23:44:20
● 2026-03-25 20:18:46
○A92.63.98.22015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-02 13:59:28
○ 2026-03-25 20:18:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| 440school.ru | dns1.yandex.net, dns2.yandex.net | - |
✅ Authoritative Response
Server:213.180.204.213
NS records: dns1.yandex.net, dns2.yandex.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 440school.ru (unsigned zone)
⏱️ Timing
Total: 1016ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.56.84 |
| NS | 2 | dns1.yandex.net, dns2.yandex.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
IP Addresses
440school.ru points to a single IP: 91.204.56.84.
Name Servers
440school.ru's delegation is to two name servers dns1.yandex.net and dns2.yandex.net.
440school.ru shares the same name server configuration as other domains, such as barenz.group, ivsand.ru, ienemy.ru, msk-novostroyki.ru and eco-sky.ru.
440school.ru at least partially shares its name servers with other domains, for instance megasites.ru, dtarenda.ru, le-ra.net, amtslab.ru and pvo74.ru.
these name servers are commonly used with the name servers dns1.yandex.ru, dns2.yandex.ru, ns1.megasites.ru, ns2.megasites.ru, ns3.megasites.ru and ns4.megasites.ru.
Host names with two IP numbers: dns1.yandex.net points to 2a02:6b8::213 and 213.180.204.213; dns2.yandex.net points to 2a02:6b8:0:1::213 and 93.158.134.213
Mail Servers
440school.ru is served by a single mail server, mx.yandex.net.
440school.ru uses the same mail server setup as other domains such as welcomephone.ru, trec-course.ru, ruppel.ru, mzgroup.az and 3dnnov.ru.
440school.ru shares mail servers with other domains at least in part, for instance kurskpoodle.ru, pmdvor.ru and kiracitakip.com.
Hostname mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.