spbbu.ru - robtex.com
spbbu.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.236.136.20🇷🇺 WEBHOST1-AS91.236.136.0/24 | ||||||
| PTR | static.20.136.236.91.ip.webhost1.net | ||||||
| NS | ns1.webhost1.com ⭐ | ||||||
| A | 2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48 | ||||||
| PTR | ns1.webhost1.com | ||||||
| A | 185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24 | ||||||
| PTR | ns1.webhost1.com | ||||||
| NS | ns2.webhost1.com | ||||||
| A | 2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48 | ||||||
| PTR | ns2.webhost1.com | ||||||
| A | 185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24 | ||||||
| PTR | ns2.webhost1.com | ||||||
| NS | ns3.webhost1.org | ||||||
| A | 2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48 | ||||||
| PTR | ns1.webhost1.com | ||||||
| A | 185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24 | ||||||
| PTR | ns1.webhost1.com | ||||||
| NS | ns4.webhost1.org | ||||||
| A | 2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48 | ||||||
| PTR | ns2.webhost1.com | ||||||
| A | 185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24 | ||||||
| PTR | ns2.webhost1.com | ||||||
| MX | mail.spbbu.ru ⭐ | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | ns1.webhost1.comtech@webhost1.com 2026-01-23 #0 | ||||||
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=4068943 | ||||||
Subdomains
Same first word
spbbu.ru |
Similar names
sbbup.com |
supbb.cn |
sbupb.com |
bbspu.com |
bpubs.com |
pbubs.com |
bpsub.com |
pbbus.com |
pubbs.com |
sbpub.com |
sbpub.net |
upbbs.com |
bbsup.com.au |
upbbs.cn |
supbb.com |
DNS History
13 records (6 active, 7 former)
○NSns1.timeweb.ru2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
●NSns1.webhost1.com2026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
○NSns2.timeweb.ru2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
●NSns2.webhost1.com2026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
○NSns3.timeweb.org2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
●NSns3.webhost1.org2026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
○NSns4.timeweb.org2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
●NSns4.webhost1.org2026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
●MXmail.spbbu.ru2026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
○MXmx.yandex.ru2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
○A2a03:6f00:1::5c35:7ebe2015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
●A91.236.136.202026-03-28 → 2026-05-19 · 3 obs
● 2026-03-28 08:22:04
● 2026-05-19 23:14:36
○A92.53.126.1902015-07-23 → 2017-03-19 · 4 obs
● 2017-03-19 14:10:22
○ 2026-03-28 08:22:04
○ 2026-05-19 23:14:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| spbbu.ru | ns1.webhost1.com, ns3.webhost1.org, ns2.webhost1.com, ns4.webhost1.org | - |
✅ Authoritative Response
Server:185.179.189.202
NS records: ns1.webhost1.com, ns3.webhost1.org, ns2.webhost1.com, ns4.webhost1.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for spbbu.ru (unsigned zone)
⏱️ Timing
Total: 1907ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.236.136.20 |
| NS | 4 | ns2.webhost1.com, ns3.webhost1.org... |
| MX | 1 | mail.spbbu.ru (pri: 10) |
| TXT | 1 | v=spf1 +a +mx -all |
| SOA | 1 | ns1.webhost1.com tech.webhost1.com |
Analysis
Hierarchy
spbbu.ru is the parent domain of www.spbbu.ru and mail.spbbu.ru.
IP Addresses
spbbu.ru points to a single IP number: 91.236.136.20.
Additional host names — mail.irannews.ru, mail.strana-snov.ru, www.softodont.ru and two others — share IP numbers with spbbu.ru.
Name Servers
spbbu.ru is served by 4 authoritative name servers: ns1.webhost1.com, ns2.webhost1.com, ns3.webhost1.org and ns4.webhost1.org.
spbbu.ru has at least partial name server overlap with other domains, such as k9belarus.com, goodcon.ru, ajs.ru and two others.
These name servers are frequently used alongside name servers ns1.webhost1.ru, ns2.webhost1.ru, cp2.webhost1.com and five others.
Each of ns1.webhost1.com, ns2.webhost1.com, ns3.webhost1.org and ns4.webhost1.org resolves to two IP numbers, falling into two groups: ns1.webhost1.com and ns3.webhost1.org share 185.179.188.2 and 2a0a:8d80:0:a000::aa, while ns2.webhost1.com and ns4.webhost1.org share 185.179.189.202 and 2a0a:8d80:0:a000::bb.
Both ns1.webhost1.com and ns3.webhost1.org resolve to 2a0a:8d80:0:a000::aa IP addresses each.
Both ns1.webhost1.com and ns3.webhost1.org resolve to 185.179.188.2 IP addresses each.
Both ns2.webhost1.com and ns4.webhost1.org resolve to 2a0a:8d80:0:a000::bb IP addresses each.
Both ns2.webhost1.com and ns4.webhost1.org resolve to 185.179.189.202 IP addresses each.