sch57.ru - robtex.com
sch57.ru
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=4068147 | ||||||
Same first word
DNS History
22 records (16 active, 6 former)
●NSns.masterhost.ru2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●NSns1.masterhost.ru2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●NSns2.masterhost.ru2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●MXalt1.aspmx.l.google.com2026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●MXalt2.aspmx.l.google.com2026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●MXalt3.aspmx.l.google.com2026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●MXalt4.aspmx.l.google.com2026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●MXaspmx.l.google.com2026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
○MXmx1.masterhost.ru2015-10-18 → 2017-02-07 · 3 obs
● 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
●A2a00:15f8:a000:5:1:11:2:8c2f2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A2a00:15f8:a000:5:1:12:2:8c2f2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A2a00:15f8:a000:5:1:13:2:8c2f2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A2a00:15f8:a000:5:1:14:2:8c2f2015-05-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A90.156.201.1012026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A90.156.201.1072026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
●A90.156.201.122026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
○A90.156.201.152015-05-20 → 2017-02-07 · 3 obs
● 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
○A90.156.201.282015-05-20 → 2017-02-07 · 3 obs
● 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
●A90.156.201.352026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 18:22:08
○A90.156.201.622015-05-20 → 2016-06-26 · 4 obs
● 2016-06-26 00:20:44
○ 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
○A90.156.201.702015-05-20 → 2017-02-07 · 3 obs
● 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
○A90.156.201.882017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 06:45:02
○ 2026-03-20 18:22:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net... | - |
| sch57.ru | ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru | - |
✅ Authoritative Response
Server: 90.156.133.161
NS records: ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sch57.ru (unsigned zone)
⏱️ Timing
Total: 1673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.101, 90.156.201.107... |
| AAAA | 4 | 2a00:15f8:a000:5:1:11:2:8c2f, 2a00:15f8:a000:5:1:14:2:8c2f... |
| NS | 3 | ns.masterhost.ru, ns1.masterhost.ru... |
| MX | 5 | ASPMX.L.GOOGLE.COM (pri: 1), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)... |
| TXT | 3 | unisender-go-validate-hash=25a94835fe702, v=spf1 include:_spf.google.com ~all... |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
sch57.ru resolves to eight IP numbers: 2a00:15f8:a000:5:1:11:2:8c2f, 2a00:15f8:a000:5:1:12:2:8c2f, 2a00:15f8:a000:5:1:13:2:8c2f, 2a00:15f8:a000:5:1:14:2:8c2f, 90.156.201.12, 90.156.201.35, 90.156.201.101 and 90.156.201.107.
Other host names such as kashuba.ru, grafica-m.ru, www.npoenergomash.ru, global-okna.ru and www.sportweb.ru share IP numbers with sch57.ru.
Name Servers
sch57.ru is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
At least part of the name servers for sch57.ru are shared with other domains, for instance diammarket.ru, maxconf.ru, slrchemical.ru, hydroaudit.ru and asiagourmet.ru.
Host names with two IP numbers:
ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50
ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161
ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116
Mail Servers
sch57.ru is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
sch57.ru shares at least some mail servers with other domains, for example ns500671.ns500754.ns500731.ns500754.ns500671.ns500688.ns500671.ns500704.ns500153.tenderladiesbz.com, ns500759.ns500758.ns500758.ns500698.ns500698.ns500735.ns500736.ns500698.ns500698.ns500698.ns500576.ns500708.ns500576.ns500619.ns500576.ns500576.trackreceptor.com, ilm.agency, ns500754.ns500731.ns500742.ns500731.ns500754.ns500704.ns500742.ns500688.ns500671.ns500704.ns500671.ns500671.ns500649.lustychickser.com and ns500671.ns500754.ns500742.ns500731.ns500671.ns500731.ns500671.ns500688.ns500671.ns500704.ns500291.ns500671.ns500666.ns500153.tenderladiesbz.com.
These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26; alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26; alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26; alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.