extrn.ru - robtex.com
extrn.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.26.171.55🇷🇺 DELTATELEKOM-AS185.26.171.0/24 | ||||||
| PTR | mailx.extrn.ru | ||||||
| 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 | mailx.extrn.ru ⭐ | ||||||
| A | 185.26.171.55🇷🇺 DELTATELEKOM-AS185.26.171.0/24 | ||||||
| PTR | mailx.extrn.ru | ||||||
| TXT | v=DMARC1; p=none; aspf=r; sp=none | ||||||
| TXT | v=spf1 ip4:185.26.171.55 a mx ~all | ||||||
| SOA | ns1.timeweb.rudns@timeweb.ru serial=80 | ||||||
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=4068301 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.timeweb.ru2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
●NSns2.timeweb.ru2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
●NSns3.timeweb.org2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
●NSns4.timeweb.org2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
●MXmailx.extrn.ru2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
●A185.26.171.552026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 02:49:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net... | - |
| extrn.ru | ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org | 2 records |
✅ Authoritative Response
Server:217.78.234.130
NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extrn.ru (unsigned zone)
⏱️ Timing
Total: 1143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.26.171.55 |
| NS | 4 | ns3.timeweb.org, ns4.timeweb.org... |
| MX | 1 | mailx.extrn.ru (pri: 10) |
| TXT | 2 | v=DMARC1; p=none; aspf=r; sp=none, v=spf1 ip4:185.26.171.55 a mx ~all |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)
Analysis
IP Addresses
extrn.ru points to a single IP number: 185.26.171.55.
Name Servers
extrn.ru is delegated to four name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
extrn.ru at least partially shares name servers with other domains, for instance 414437-ca07627.tmweb.ru, 22.109.45.147.in-addr.arpa, 3.9.8.3.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.1.0.0.0.1.0.f.6.3.0.a.2.ip6.arpa, free-lance.su and ypec.ru.
Host names with two IP numbers:
ns3.timeweb.org points to: 2a03:6f07:4::2 and 217.78.234.130.
ns4.timeweb.org points to: 2a00:65e0:6:5:232a::2 and 139.45.249.139.
ns1.timeweb.ru points to: 2a03:6f04:dead:bee::1 and 85.193.93.93.
ns2.timeweb.ru points to: 2a03:6f04:dead:bee::2 and 85.193.93.85.
Mail Servers
extrn.ru is handled by a single mail server, mailx.extrn.ru.
mailx.extrn.ru points to a single IP: 185.26.171.55.