jcent.ru - robtex.com
jcent.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:6f00:6:1::b972:f56b🇷🇺 TimeWeb-AS2a03:6f00:6::/48 | ||||||
| PTR | vh306.timeweb.ru | ||||||
| A | 185.114.245.107🇷🇺 TimeWeb-AS185.114.245.0/24 | ||||||
| NS | ns1.timeweb.ru ⭐ | ||||||
| A | 2a03:6f04:dead:bee::1🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 85.193.93.93🇵🇱 TimeWeb-AS85.193.93.0/24 | ||||||
| PTR | ns1.timeweb.ru | ||||||
| NS | ns2.timeweb.ru | ||||||
| A | 2a03:6f04:dead:bee::2🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 85.193.93.85🇵🇱 TimeWeb-AS85.193.93.0/24 | ||||||
| PTR | ns2.timeweb.ru | ||||||
| NS | ns3.timeweb.org | ||||||
| A | 2a03:6f07:4::2🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 217.78.234.130🇷🇺 TimeWeb-AS217.78.234.0/24 | ||||||
| NS | ns4.timeweb.org | ||||||
| A | 2a00:65e0:6:5:232a::2🇷🇺 RETNRU-SPB-AS2a00:65e0::/32 CJSC "RetnNet" | ||||||
| A | 139.45.249.139🇷🇺 RETNRU-SPB-AS139.45.248.0/21 RETN-SPB | ||||||
| PTR | gw-139.45.249.139-rt1.km.spb.retn.ru | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| TXT | yandex-verification: 5d1443acc1a3fb3c | ||||||
| SOA | ns1.timeweb.rudns@timeweb.ru serial=9 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069744 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSns1.1gb.ru2015-06-05 → 2017-01-30 · 4 obs
● 2017-01-30 01:29:10
○ 2026-06-15 09:48:02
○ 2026-07-25 14:25:14
●NSns1.timeweb.ru2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
○NSns2.1gb.ru2015-06-05 → 2017-01-30 · 4 obs
● 2017-01-30 01:29:10
○ 2026-06-15 09:48:02
○ 2026-07-25 14:25:14
●NSns2.timeweb.ru2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
●NSns3.timeweb.org2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
●NSns4.timeweb.org2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
○MXmail-s56.1gb.ru2015-06-05 → 2017-01-30 · 4 obs
● 2017-01-30 01:29:10
○ 2026-06-15 09:48:02
○ 2026-07-25 14:25:14
●MXmx.yandex.net2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
●A185.114.245.1072026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
●A2a03:6f00:6:1::b972:f56b2026-06-15 → 2026-07-25 · 3 obs
● 2026-06-15 09:48:02
● 2026-07-25 14:25:14
○A81.176.228.72015-06-05 → 2017-01-30 · 4 obs
● 2017-01-30 01:29:10
○ 2026-06-15 09:48:02
○ 2026-07-25 14:25:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| jcent.ru | ns2.timeweb.ru, ns1.timeweb.ru, ns4.timeweb.org, ns3.timeweb.org | 2 records |
✅ Authoritative Response
Server:139.45.249.139
NS records: ns2.timeweb.ru, ns1.timeweb.ru, ns4.timeweb.org, ns3.timeweb.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcent.ru (unsigned zone)
⏱️ Timing
Total: 4176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.114.245.107 |
| AAAA | 1 | 2a03:6f00:6:1::b972:f56b |
| NS | 4 | ns1.timeweb.ru, ns2.timeweb.ru... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.yandex.net, yandex-verification: 5d1443acc1a3fb3c |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.timeweb.ru, ns1.timeweb.ru)
Analysis
IP Addresses
jcent.ru has two IP addresses: 185.114.245.107 and 2a03:6f00:6:1::b972:f56b
smart-ek.ru, rivernet.ru, not.kz and two other host names share IP numbers with jcent.ru.
Name Servers
The authoritative name servers for jcent.ru are ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
At least some of jcent.ru's name servers are shared with other domains, for example urist-pravoved.ru, b.d.d.1.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.5.0.0.0.0.0.f.6.3.0.a.2.ip6.arpa, 243.127.53.92.in-addr.arpa and two more.
Four hostnames, each resolving to a pair of IP addresses: ns3.timeweb.org directs to 217.78.234.130 and 2a03:6f07:4::2; ns4.timeweb.org directs to 139.45.249.139 and 2a00:65e0:6:5:232a::2; ns1.timeweb.ru directs to 85.193.93.93 and 2a03:6f04:dead:bee::1; ns2.timeweb.ru directs to 85.193.93.85 and 2a03:6f04:dead:bee::2.
Mail Servers
Mail for jcent.ru is handled by a single mail server, mx.yandex.net.
jcent.ru uses an identical mail server configuration to several other domains — among them pushkinnet.com, eid.spb.ru, center-svai.ru and two more.
jcent.ru has at least partial mail server overlap with other domains such as www.bazisnn.ru, pfc.ru, mama-fashion.ru and two more.
mx.yandex.net directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.