covidstudy.net - robtex.com
covidstudy.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.208.83.16🇳🇱 IRONHOST178.208.83.0/24 | ||||||
| PTR | s12.h.mchost.ru | ||||||
| NS | ns1.mchost.ru ⭐ | ||||||
| A | 2a03:c980:e5:11:46:254:16:213🇷🇺 EUROBYTE2a03:c980:e5::/48 | ||||||
| PTR | ns1.mchost.ru | ||||||
| A | 46.254.16.213🇷🇺 EUROBYTE46.254.16.0/23 | ||||||
| PTR | ns1.mchost.ru | ||||||
| NS | ns2.mchost.ru | ||||||
| A | 2a03:80c0:1:777:178:208:71:71🇷🇺 EUROBYTE2a03:80c0:1::/48 | ||||||
| A | 178.208.71.71🇷🇺 EUROBYTE178.208.71.0/24 | ||||||
| PTR | ns-datahouse1.mchost.ru | ||||||
| NS | ns3.mchost.ru ⚠️ Not in parent delegation | ||||||
| A | 37.143.13.162🇷🇺 EUROBYTE37.143.12.0/23 | ||||||
| PTR | ns2.mchost.ru | ||||||
| NS | ns4.mchost.ru ⚠️ Not in parent delegation | ||||||
| A | 2a03:c980:db:20:95:183:12:22🇷🇺 EUROBYTE2a03:c980:db::/48 | ||||||
| PTR | ns4.mchost.ru | ||||||
| A | 95.183.12.22🇷🇺 EUROBYTE95.183.12.0/24 | ||||||
| PTR | ns4.mchost.ru | ||||||
| MX | mx1.covidstudy.net ⭐ | ||||||
| A | 178.208.83.138🇳🇱 IRONHOST178.208.83.0/24 | ||||||
| PTR | 1.smtp-in.mail4.mchost.ru | ||||||
| MX | mx2.covidstudy.net ⭐ | ||||||
| A | 178.208.83.139🇳🇱 IRONHOST178.208.83.0/24 | ||||||
| PTR | 2.smtp-in.mail4.mchost.ru | ||||||
| TXT | v=spf1 a mx ip4:178.208.83.135 ip4:178.208.83.145 ip4:178.208.83.146 ~all | ||||||
| SOA | ns1.mchost.ruinfo@mchost.ru serial=1772383921 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291465 | ||||||
Same first word
covidstudy.net |
DNS History
7 records (7 active, 0 former)
●MXmx1.covidstudy.net2026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 04:20:18
●MXmx2.covidstudy.net2026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 04:20:18
●A178.208.83.162026-03-12 → 2026-03-24 · 2 obs
● 2026-03-24 04:20:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| covidstudy.net | ns1.mchost.ru, ns2.mchost.ru | - |
✅ Authoritative Response
Server:178.208.71.71
NS records: ns1.mchost.ru, ns2.mchost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for covidstudy.net (unsigned zone)
⏱️ Timing
Total: 1011ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.208.83.16 |
| NS | 4 | ns1.mchost.ru, ns2.mchost.ru... |
| MX | 2 | mx1.covidstudy.net (pri: 10), mx2.covidstudy.net (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:178.208.83.135 ip4:178.2 |
| SOA | 1 | ns1.mchost.ru info.mchost.ru |
Analysis
IP Addresses
covidstudy.net resolves to a single IP address: 178.208.83.16.
Other host names including truerender.ru, datalab.center, averber.com, papos.ru and tvorlen.ru share IP numbers with covidstudy.net.
Name Servers
covidstudy.net is delegated to four name servers: ns1.mchost.ru, ns2.mchost.ru, ns3.mchost.ru and ns4.mchost.ru.
covidstudy.net at least partially shares name servers with other domains, including myboot.ru, pzmg.ru, nails-market.ru, fitnes-rostov.ru and sim-dealer.ru.
These name servers are often used together with isp103.mchost.ru.
Host names with two IP numbers:
ns1.mchost.ru points to 2a03:c980:e5:11:46:254:16:213 and 46.254.16.213.
ns2.mchost.ru points to 2a03:80c0:1:777:178:208:71:71 and 178.208.71.71.
ns4.mchost.ru points to 2a03:c980:db:20:95:183:12:22 and 95.183.12.22.
Host names with one IP number:
ns3.mchost.ru points to 37.143.13.162.
Mail Servers
covidstudy.net is handled by two mail servers: mx1.covidstudy.net and mx2.covidstudy.net.
Host names with a single IP:
mx1.covidstudy.net points to 178.208.83.138.
mx2.covidstudy.net points to 178.208.83.139.