tehcom.su - dns.ninja
tehcom.su
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3-l2.nic.ru ⭐ | ||||||
| A | 193.232.146.1🇷🇺 RU-CENTER193.232.146.0/24 -NETWORK | ||||||
| PTR | ns3-l2.nic.ru | ||||||
| NS | ns4-l2.nic.ru | ||||||
| A | 91.217.20.20🇷🇺 RU-CENTER91.217.20.0/24 | ||||||
| PTR | ns4-l2.nic.ru | ||||||
| NS | ns8-l2.nic.ru | ||||||
| A | 91.217.21.20🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER | ||||||
| PTR | ns8-l2.nic.ru | ||||||
| MX | edge1.flexcloud.ru ⭐ | ||||||
| A | 176.53.181.141🇷🇺 LLCFlex-AS176.53.180.0/23 | ||||||
| PTR | edge1.flexcloud.ru | ||||||
| MX | edge2.flexcloud.ru(20) | ||||||
| A | 176.53.182.93🇷🇺 LLCFlex-AS176.53.182.0/23 | ||||||
| PTR | edge2.flexcloud.ru | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | ns3-l2.nic.rudnsmaster@peterhost.ru serial=1540562691 | ||||||
su
| 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=650209622 | ||||||
PTR for
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.peterhost.ru2015-07-23 → 2017-02-14 · 4 obs
● 2017-02-14 14:51:38
○ 2026-03-08 05:31:06
○ 2026-06-26 23:37:10
○NSns2.peterhost.ru2015-07-23 → 2017-02-14 · 4 obs
● 2017-02-14 14:51:38
○ 2026-03-08 05:31:06
○ 2026-06-26 23:37:10
●NSns3-l2.nic.ru2026-03-08 → 2026-06-26 · 3 obs
● 2026-03-08 05:31:06
● 2026-06-26 23:37:10
●NSns4-l2.nic.ru2026-03-08 → 2026-06-26 · 3 obs
● 2026-03-08 05:31:06
● 2026-06-26 23:37:10
●NSns8-l2.nic.ru2026-03-08 → 2026-06-26 · 3 obs
● 2026-03-08 05:31:06
● 2026-06-26 23:37:10
●MXedge1.flexcloud.ru2026-03-08 → 2026-06-26 · 3 obs
● 2026-03-08 05:31:06
● 2026-06-26 23:37:10
●MXedge2.flexcloud.ru2026-03-08 → 2026-06-26 · 3 obs
● 2026-03-08 05:31:06
● 2026-06-26 23:37:10
○MXmars.tehcom.su2015-07-23 → 2017-02-14 · 4 obs
● 2017-02-14 14:51:38
○ 2026-03-08 05:31:06
○ 2026-06-26 23:37:10
○A78.107.182.32015-07-23 → 2017-02-14 · 4 obs
● 2017-02-14 14:51:38
○ 2026-03-08 05:31:06
○ 2026-06-26 23:37:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| tehcom.su | ns4-l2.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru | - |
✅ Authoritative Response
Server:91.217.20.20
NS records: ns4-l2.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tehcom.su (unsigned zone)
⏱️ Timing
Total: 1294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 2 | edge1.flexcloud.ru (pri: 10), edge2.flexcloud.ru (pri: 20) |
| TXT | 1 | v=spf1 +a +mx -all |
| SOA | 1 | ns3-l2.nic.ru dnsmaster.peterhost.ru |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
Name Servers
tehcom.su carries NS records delegating to ns3-l2.nic.ru, ns4-l2.nic.ru and ns8-l2.nic.ru.
There is at least partial name server overlap between tehcom.su and other domains — techextreme.ru, gymnasia93.ru, wonder.ru and two more among them.
These name servers tend to appear in combination with the name servers ns4-cloud.nic.ru, ns8-cloud.nic.ru, ns1.hc.ru and ns1.x5.ru.
ns3-l2.nic.ru points to 193.232.146.1; ns4-l2.nic.ru points to 91.217.20.20; ns8-l2.nic.ru points to 91.217.21.20 — each hostname maps to exactly one IP address.
Mail Servers
Mail for tehcom.su is handled by two mail servers — edge1.flexcloud.ru and edge2.flexcloud.ru.
tehcom.su uses an identical mail server configuration to several other domains — among them granit-concern.ru, orel-tv.ru, o-pencil.ru and two more.
tehcom.su and a number of other domains — orchidex.ru, porsche-scc.ru, hirschmann.ru and dombalt.ru among them — share at least some of the same mail servers.
This set of mail servers commonly appears together with the mail servers mx1.masterhost.ru.
edge1.flexcloud.ru → 176.53.181.141 and edge2.flexcloud.ru → 176.53.182.93: one IP number per host name.