extremum.pro - robtex.com
extremum.pro
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.111.140.74🇷🇺 RU-CENTER-AS89.111.128.0/18 RU-CENTER route | ||||||
| PTR | edge-112.smekalka.net | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | a.ns.selectel.ru | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | b.ns.selectel.ru | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | c.ns.selectel.ru | ||||||
| NS | d.ns.selectel.ru | ||||||
| A | 2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | d.ns.selectel.ru | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-01-19 #1 | ||||||
pro
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.pro.afilias-nst.info ⭐ | ||||||
| NS | a2.pro.afilias-nst.info | ||||||
| NS | b0.pro.afilias-nst.org | ||||||
| NS | b2.pro.afilias-nst.org | ||||||
| NS | c0.pro.afilias-nst.info | ||||||
| NS | d0.pro.afilias-nst.org | ||||||
| SOA | a0.pro.afilias-nst.infohostmaster@donuts.email serial=1775312416 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSa.ns.selectel.ru2026-03-26 → 2026-04-04 · 3 obs
● 2026-03-26 20:46:24
● 2026-04-04 14:27:28
●NSb.ns.selectel.ru2026-03-26 → 2026-04-04 · 3 obs
● 2026-03-26 20:46:24
● 2026-04-04 14:27:28
●NSc.ns.selectel.ru2026-03-26 → 2026-04-04 · 3 obs
● 2026-03-26 20:46:24
● 2026-04-04 14:27:28
●NSd.ns.selectel.ru2026-03-26 → 2026-04-04 · 3 obs
● 2026-03-26 20:46:24
● 2026-04-04 14:27:28
○NSns1.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
○NSns2.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
○NSns3.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
○NSns4.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
○MXmx1.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
○MXmx2.servage.net2016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
●A89.111.140.742026-03-26 → 2026-04-04 · 3 obs
● 2026-03-26 20:46:24
● 2026-04-04 14:27:28
○A92.61.153.712016-12-10 → 2017-08-16 · 4 obs
● 2017-08-16 06:21:48
○ 2026-03-26 20:46:24
○ 2026-04-04 14:27:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pro | a2.pro.afilias-nst.info, b2.pro.afilias-nst.org, a0.pro.afilias-nst.info, c0.pro.afilias-nst.info... | - |
| extremum.pro | a.ns.selectel.ru, d.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru | - |
✅ Authoritative Response
Server:77.223.114.4
NS records: a.ns.selectel.ru, d.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extremum.pro (unsigned zone)
⏱️ Timing
Total: 797ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.111.140.74 |
| NS | 4 | b.ns.selectel.ru, c.ns.selectel.ru... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
IP Addresses
extremum.pro points to a single IP: 89.111.140.74.
Other host names, for instance k7o.ru, edge-112.smekalka.net, extremum.io, simpozio.com and simpozio.net share IP numbers with extremum.pro.
Name Servers
extremum.pro is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
extremum.pro at least partially shares its name servers with other domains, for instance watbot.ru, ivisa.ru, creactor.ru, o14.ru and press-report.ru.
These name servers are commonly used alongside ns1.baz-on.ru and ns2.baz-on.ru.
Host names with two IPs: a.ns.selectel.ru points to 2a00:ab00:800::2:53 and 188.68.203.1; b.ns.selectel.ru points to 2a00:ab00:801::2:53 and 77.223.114.2; c.ns.selectel.ru points to 2a00:ab00:802::2:53 and 188.68.203.3; d.ns.selectel.ru points to 2a00:ab00:803::2:53 and 77.223.114.4.