11klass.by - robtex.com
11klass.by
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.155.60.8🇧🇾 DDOS-GUARD45.155.60.0/24 Belarus | ||||||
| NS | ns1.activeby.net ⭐ | ||||||
| A | 2a01:9160::a🇷🇺 ACTIVEHOST-RU-AS2a01:9160::/48 | ||||||
| PTR | ns1.activeby.net | ||||||
| A | 178.159.252.109🇷🇺 ACTIVEHOST-RU-AS178.159.252.0/24 Activehost RU LLC | ||||||
| PTR | ns1.activeby.net | ||||||
| NS | ns2.activeby.net | ||||||
| A | 2a0c:b1c2::a🇧🇾 BELPAK-AS2a0c:b1c2::/32 | ||||||
| PTR | ns2.activeby.net | ||||||
| A | 178.159.240.120🇧🇾 BELPAK-AS178.159.240.0/21 BY-ACTIVECLOUD | ||||||
| PTR | ns2.activeby.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 a mx include:_spf.yandex.net include:spf.retailcrm.pro ~all | ||||||
| SOA | ns1.activeby.netdns-admin@11klass.by 2022-10-24 #1 | ||||||
by
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns1.tld.becloud.by ⭐ | ||||||
| NS | dns1.tld.becloudby.com | ||||||
| NS | dns2.tld.becloudby.tech | ||||||
| NS | dns3.tld.becloudby.tech | ||||||
| NS | dns4.tld.becloudby.tech | ||||||
| NS | dns7.tld.becloudby.com | ||||||
| SOA | dns1.tld.becloud.bysupport@becloud.by serial=2604120750 | ||||||
Same first word
DNS History
6 records (4 active, 2 former)
●NSns1.activeby.net2020-03-15 → 2026-04-12 · 5 obs
● 2026-02-18 07:11:38
○ 2026-02-18 15:04:02
● 2026-02-18 18:05:52
● 2026-04-12 08:09:24
●NSns2.activeby.net2020-03-15 → 2026-04-12 · 5 obs
● 2026-02-18 07:11:38
○ 2026-02-18 15:04:02
● 2026-02-18 18:05:52
● 2026-04-12 08:09:24
○NSns3.activeby.net2020-03-15 → 2020-03-15 · 3 obs
○ 2026-02-16 00:17:00
○ 2026-04-12 08:09:24
●MXmx.yandex.net2020-03-15 → 2026-04-12 · 5 obs
● 2026-02-18 07:11:38
○ 2026-02-18 15:04:02
● 2026-02-18 18:05:52
● 2026-04-12 08:09:24
○A185.165.123.362020-03-15 → 2020-03-15 · 3 obs
○ 2026-02-16 00:17:00
○ 2026-04-12 08:09:24
●A45.155.60.82026-02-16 → 2026-04-12 · 6 obs
● 2026-02-16 00:17:00
● 2026-02-18 07:11:38
○ 2026-02-18 15:04:02
● 2026-02-18 18:05:52
● 2026-04-12 08:09:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| by | dns1.tld.becloudby.com, dns3.tld.becloudby.tech, dns7.tld.becloudby.com, dns2.tld.becloudby.tech... | 9 records |
| 11klass.by | ns1.activeby.net, ns2.activeby.net | - |
✅ Authoritative Response
Server:178.159.252.109
NS records: ns1.activeby.net, ns2.activeby.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 11klass.by (unsigned zone)
⏱️ Timing
Total: 1019ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.155.60.8 |
| NS | 2 | ns1.activeby.net, ns2.activeby.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.yandex.net incl |
| SOA | 1 | ns1.activeby.net dns-admin.11klass.by |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (dns7.tld.becloudby.com, dns4.tld.becloudby.tech, dns3.tld.becloudby.tech...)
Analysis
IP Addresses
11klass.by resolves to one IP number: 45.155.60.8.
other host names including www.qunell.ru, parenting.by, mvb.by, belmag.by and sitek-group.com share IP numbers with 11klass.by.
Name Servers
11klass.by is delegated to two name servers ns1.activeby.net and ns2.activeby.net.
11klass.by shares the same name server setup as other domains, for instance mebelros.by, ercim.ru, imperionweb.com, artcly.by and roi.by.
11klass.by at least partially shares name servers with other domains, for instance shate-m.by, mc9.ru, whs.by, santa.by and mnipi.com.
these name servers are often used together with ns3.activeby.net, ns1.hosteks.com, ns2.hosteks.com and ns3.hosteks.com.
Host names with two IP numbers:
The host name ns1.activeby.net points to 2a01:9160::a and 178.159.252.109; the host name ns2.activeby.net points to 2a0c:b1c2::a and 178.159.240.120.
Mail Servers
11klass.by is handled by a single mail server, mx.yandex.net.
11klass.by shares the same mail server setup as other domains, for instance dvatc.ru, orjinaltur.com, tehprivod.com, agm.tel and ainars66.id.lv.
11klass.by shares at least some mail servers with other domains, including rvs.by, lianmart.ru, golden-eagle.ru and platorg.ru.
mx.yandex.net resolves to two IP numbers: 2a02:6b8::311 and 77.88.21.249.