root-k.com - robtex.com
root-k.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.252.87.109🇰🇷 KT-NET211.252.0.0/15 KT | ||||||
| NS | ns2.rcdns.com ⭐ | ||||||
| A | 13.124.119.116🇰🇷 Amazon13.124.0.0/16 EC2 ICN prefix | ||||||
| PTR | ec2-13-124-119-116.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns1.rcdns.com | ||||||
| A | 211.251.237.208🇰🇷 KT-NET211.250.0.0/15 KT | ||||||
| NS | ns3.rcdns.com | ||||||
| A | 13.209.170.136🇰🇷 Amazon13.209.0.0/16 EC2 ICN prefix | ||||||
| PTR | ec2-13-209-170-136.ap-northeast-2.compute.amazonaws.com | ||||||
| MX | mail.root-k.com ⭐ | ||||||
| A | 211.252.87.109🇰🇷 KT-NET211.252.0.0/15 KT | ||||||
| SOA | ns2.rcdns.comroot@ns2.rcdns.com serial=10000 | ||||||
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=1771291435 | ||||||
Subdomains
mail.root-k.com |
Same first word
root-k.com |
Similar names
DNS History
14 records (5 active, 9 former)
○NSmaster.dns.ne.jp2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○NSns1.dns.ne.jp2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○NSns2.dns.ne.jp2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○MXalt1.aspmx.l.google.com2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○MXalt2.aspmx.l.google.com2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○MXaspmx.l.google.com2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○MXaspmx2.googlemail.com2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
○MXaspmx3.googlemail.com2015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
●MXmail.root-k.com2026-03-18 → 2026-03-18 · 2 obs
● 2026-03-18 12:25:24
○A163.43.161.1162015-08-06 → 2019-04-06 · 3 obs
● 2019-04-06 19:16:42
○ 2026-03-18 12:25:24
●A211.252.87.1092026-03-18 → 2026-03-18 · 2 obs
● 2026-03-18 12:25:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net... | - |
| root-k.com | ns1.rcdns.com, ns2.rcdns.com, ns3.rcdns.com | 3 records |
✅ Authoritative Response
Server: 13.209.170.136
NS records: ns1.rcdns.com, ns2.rcdns.com, ns3.rcdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root-k.com (unsigned zone)
⏱️ Timing
Total: 3538ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.252.87.109 |
| NS | 3 | ns1.rcdns.com, ns3.rcdns.com... |
| MX | 1 | mail.root-k.com (pri: 10) |
| SOA | 1 | ns3.rcdns.com root.ns3.rcdns.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.rcdns.com, ns2.rcdns.com, ns3.rcdns.com)
Analysis
Hierarchy
The parent of mail.root-k.com is root-k.com.
IP Addresses
root-k.com points to a single IP address: 211.252.87.109.
Other host names such as www109.rootcenter.com, www.rcdns.com, rcdns.com, mail.root-k.com and rootcenter.com share IPs with root-k.com.
Name Servers
root-k.com is delegated to three name servers: ns1.rcdns.com, ns2.rcdns.com and ns3.rcdns.com.
root-k.com at least partially shares name servers with other domains, for example modoolife.com, sellerlink.co.kr, tqgame.kr, todisk.co and drvi.com.
Host names with a single IP address:
ns1.rcdns.com resolves to 211.251.237.208.
ns2.rcdns.com resolves to 13.124.119.116.
ns3.rcdns.com resolves to 13.209.170.136.
Mail Servers
The mail.root-k.com mail server handles root-k.com.
mail.root-k.com points to a single IP number: 211.252.87.109.