sj-tool.com - robtex.com
sj-tool.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.gabia.co.kr ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| NS | ns.gabia.co.kr | ||||||
| A | 43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns.gabia.net | ||||||
| A | 121.78.117.39🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce | ||||||
| PTR | ns1.gabia.co.kr | ||||||
| A | 211.234.124.90🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary | ||||||
| MX | mail.sj-tool.com ⭐ | ||||||
| A | 115.89.133.252🇰🇷 DACOM-NET115.88.0.0/13 contact yuncheol@bora.net if necessary | ||||||
| PTR | gw.dmcfuelcell.com | ||||||
| PTR | gw.edongjin.com | ||||||
| PTR | gw.sj-tool.com | ||||||
| PTR | mail.sj-tool.com | ||||||
| PTR | mail.qdmc.com.cn | ||||||
| PTR | gw.dtmc.co.kr | ||||||
| PTR | gw.dumc.co.kr | ||||||
| PTR | gw.edmc.co.kr | ||||||
| PTR | gw.isjp.co.kr | ||||||
| PTR | gw.sealtite.co.kr | ||||||
| TXT | v=spf1 ip4:115.89.133.248 ip4:115.89.133.252 ~all | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2023-03-09 #15 | ||||||
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=1774735402 | ||||||
Subdomains
Same first word
sj-tool.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns.gabia.co.kr2026-03-09 → 2026-03-28 · 3 obs
● 2026-03-09 12:03:40
● 2026-03-28 22:04:36
●NSns.gabia.net2026-03-09 → 2026-03-28 · 3 obs
● 2026-03-09 12:03:40
● 2026-03-28 22:04:36
○NSns.shinbiro.com2015-05-28 → 2016-03-16 · 4 obs
● 2016-03-16 22:37:26
○ 2026-03-09 12:03:40
○ 2026-03-28 22:04:36
●NSns1.gabia.co.kr2026-03-09 → 2026-03-28 · 3 obs
● 2026-03-09 12:03:40
● 2026-03-28 22:04:36
●MXmail.sj-tool.com2015-05-28 → 2026-03-28 · 2 obs
● 2026-03-28 22:04:36
○A211.172.232.872015-05-28 → 2016-03-16 · 4 obs
● 2016-03-16 22:37:26
○ 2026-03-09 12:03:40
○ 2026-03-28 22:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net... | - |
| sj-tool.com | ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net | - |
✅ Authoritative Response
Server:20.200.205.248
NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sj-tool.com (unsigned zone)
⏱️ Timing
Total: 1383ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| MX | 1 | mail.sj-tool.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:115.89.133.248 ip4:115.89.133 |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
Hierarchy
sj-tool.com is a parent of gw.sj-tool.com and mail.sj-tool.com.
Name Servers
sj-tool.com is delegated to three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
At least part of the name servers for sj-tool.com are shared with other domains, for instance ucell.co.kr, labsup.kr, okikorea.com, levelupmind.com and haebone.co.kr.
These name servers are commonly used alongside the name servers ns1.gabia.net.
Two IP numbers for a host name:
ns.gabia.net points to 121.78.117.39 and 211.234.124.90.
One IP number for a host name:
ns1.gabia.co.kr points to 20.200.205.248.
ns.gabia.co.kr points to 43.201.170.100.
Mail Servers
The mail server for sj-tool.com is mail.sj-tool.com.
Host mail.sj-tool.com points to IP 115.89.133.252.