4dwdm.com - robtex.com
4dwdm.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.yandex.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns1.yandex.ru ⚠️ Not in zone NS records | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns2.yandex.net ⚠️ Not in parent delegation | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| NS | dns2.yandex.ru ⚠️ Not in zone NS records | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| MX | ns1.4dwdm.com ⭐ | ||||||
| A | 88.84.221.84🇷🇺 FLEX-AS88.84.192.0/19 Flex ISP | ||||||
| PTR | ns1.4dwdm.com | ||||||
| TXT | v=spf1 +a +mx +ip4:88.84.221.84 -all | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=26 | ||||||
com
| 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=1776099092 | ||||||
Subdomains
ns1.4dwdm.com |
Same first word
4dwdm.com |
DNS History
8 records (5 active, 3 former)
●NSdns1.yandex.net2026-03-19 → 2026-04-13 · 3 obs
● 2026-03-19 15:54:20
● 2026-04-13 17:00:24
●NSdns1.yandex.ru2026-03-19 → 2026-04-13 · 3 obs
● 2026-03-19 15:54:20
● 2026-04-13 17:00:24
●NSdns2.yandex.net2026-03-19 → 2026-04-13 · 3 obs
● 2026-03-19 15:54:20
● 2026-04-13 17:00:24
●NSdns2.yandex.ru2026-03-19 → 2026-04-13 · 3 obs
● 2026-03-19 15:54:20
● 2026-04-13 17:00:24
○NSns1.4dwdm.com2015-08-18 → 2016-09-18 · 4 obs
● 2016-09-18 20:25:50
○ 2026-03-19 15:54:20
○ 2026-04-13 17:00:24
○NSns2.4dwdm.com2015-08-18 → 2016-09-18 · 4 obs
● 2016-09-18 20:25:50
○ 2026-03-19 15:54:20
○ 2026-04-13 17:00:24
●MXns1.4dwdm.com2015-08-18 → 2026-04-13 · 2 obs
● 2026-04-13 17:00:24
○A85.195.123.2222015-08-18 → 2016-09-18 · 4 obs
● 2016-09-18 20:25:50
○ 2026-03-19 15:54:20
○ 2026-04-13 17:00:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 4dwdm.com | dns1.yandex.ru, dns2.yandex.ru | - |
✅ Authoritative Response
Server:93.158.134.213
NS records: dns1.yandex.ru, dns2.yandex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4dwdm.com (unsigned zone)
⏱️ Timing
Total: 2912ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns2.yandex.net, dns1.yandex.net |
| MX | 1 | ns1.4dwdm.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:88.84.221.84 -all |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
Hierarchy
The parent of ns1.4dwdm.com is 4dwdm.com.
Name Servers
4dwdm.com's delegation is handled by four name servers: dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru.
4dwdm.com partially shares name servers with other domains; examples include ekolmakov.ru, arhipovka.ru, stulkov.ru, gims-north.ru and urtec.ru.
Host names with two IPs
dns1.yandex.net points to 2a02:6b8::213 and 213.180.204.213
dns2.yandex.net points to 2a02:6b8:0:1::213 and 93.158.134.213
dns1.yandex.ru points to 2a02:6b8::213 and 213.180.204.213
dns2.yandex.ru points to 2a02:6b8:0:1::213 and 93.158.134.213
Host names pointing to 2a02:6b8::213: dns1.yandex.net and dns1.yandex.ru
Host names pointing to 213.180.204.213: dns1.yandex.net and dns1.yandex.ru
Host names pointing to 2a02:6b8:0:1::213: dns2.yandex.net and dns2.yandex.ru
Host names pointing to 93.158.134.213: dns2.yandex.net and dns2.yandex.ru
Mail Servers
4dwdm.com is handled by a single mail server, ns1.4dwdm.com.
ns1.4dwdm.com points to a single IP: 88.84.221.84.