21day.ru - robtex.com
21day.ru
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=4068440 | ||||||
Same first word
Similar names
DNS History
19 records (12 active, 7 former)
●NSns.masterhost.ru2015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●NSns1.masterhost.ru2015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●NSns2.masterhost.ru2015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●MXmx1.masterhost.ru2015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●A2a00:15f8:a000:5:1:11:2:a8092015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●A2a00:15f8:a000:5:1:12:2:a8092015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●A2a00:15f8:a000:5:1:13:2:a8092015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
●A2a00:15f8:a000:5:1:14:2:a8092015-08-08 → 2026-04-08 · 2 obs
● 2026-04-08 16:48:10
○A90.156.201.1022015-08-08 → 2020-03-28 · 4 obs
● 2020-03-28 20:45:24
○ 2026-03-27 21:58:12
○ 2026-04-08 16:48:10
○A90.156.201.202015-08-08 → 2017-03-25 · 4 obs
● 2017-03-25 04:30:24
○ 2017-04-04 21:47:56
○ 2026-04-08 16:48:10
○A90.156.201.302020-03-28 → 2020-03-28 · 4 obs
● 2020-03-28 20:45:24
○ 2026-03-27 21:58:12
○ 2026-04-08 16:48:10
●A90.156.201.312026-03-27 → 2026-04-08 · 3 obs
● 2026-03-27 21:58:12
● 2026-04-08 16:48:10
○A90.156.201.502015-08-08 → 2016-03-09 · 4 obs
● 2016-03-09 19:10:34
○ 2016-07-12 07:03:54
○ 2026-04-08 16:48:10
○A90.156.201.642015-08-08 → 2020-03-28 · 4 obs
● 2020-03-28 20:45:24
○ 2026-03-27 21:58:12
○ 2026-04-08 16:48:10
●A90.156.201.742026-03-27 → 2026-04-08 · 3 obs
● 2026-03-27 21:58:12
● 2026-04-08 16:48:10
○A90.156.201.752016-07-12 → 2017-04-04 · 5 obs
● 2016-07-12 07:03:54
● 2017-04-04 21:47:56
○ 2020-03-28 20:45:24
○ 2026-04-08 16:48:10
●A90.156.201.772026-03-27 → 2026-04-08 · 3 obs
● 2026-03-27 21:58:12
● 2026-04-08 16:48:10
○A90.156.201.872017-04-04 → 2020-03-28 · 5 obs
● 2017-04-04 21:47:56
● 2020-03-28 20:45:24
○ 2026-03-27 21:58:12
○ 2026-04-08 16:48:10
●A90.156.201.962026-03-27 → 2026-04-08 · 3 obs
● 2026-03-27 21:58:12
● 2026-04-08 16:48:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net... | - |
| 21day.ru | ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ru: Error: DNS query timeout: 194.85.252.62 for DNSKEY ru
⏱️ Timing
Total: 3540ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.96, 90.156.201.74... |
| AAAA | 4 | 2a00:15f8:a000:5:1:12:2:a809, 2a00:15f8:a000:5:1:14:2:a809... |
| NS | 3 | ns2.masterhost.ru, ns.masterhost.ru... |
| MX | 1 | mx1.masterhost.ru (pri: 10) |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
21day.ru points to the following eight IP numbers: 2a00:15f8:a000:5:1:11:2:a809, 2a00:15f8:a000:5:1:12:2:a809, 2a00:15f8:a000:5:1:13:2:a809, 2a00:15f8:a000:5:1:14:2:a809, 90.156.201.31, 90.156.201.74, 90.156.201.77 and 90.156.201.96.
Other host names, for instance kosheleff.ru, outstaffing.su, www.fkit.ru, www.studiolist.ru and texnos.ru share IP numbers with 21day.ru.
Name Servers
21day.ru is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
21day.ru partially shares name servers with other domains; examples include xn--80aaxbhbbc3cl.xn--p1ai, albit-bio.com, rammsteinfan.ru, women-medcenter.ru and bosnik.com.
Host names with two IP numbers:
ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50.
ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161.
ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116.
Mail Servers
21day.ru is handled by a single mail server, mx1.masterhost.ru.
21day.ru has the same mail server setup as other domains, including markator.ru, xn----8sbapcv2bfkbcfqi.xn--p1ai, velox-life.ru, trendybag.ru and vrw.ru.
Some mail servers are shared between 21day.ru and other domains, for example reakcia.ru.
mx1.masterhost.ru points to a single IP: 90.156.132.120.