sjbolt.com - robtex.com
sjbolt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 165.140.20.177🇺🇸 HANARIN-AS165.140.20.0/22 HANARIN | ||||||
| PTR | mail2.b2bgate.co.kr | ||||||
| NS | dns1.maxion.co.kr ⭐ ⚠️ Not in parent delegation | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | dns2.maxion.co.kr ⚠️ Not in parent delegation | ||||||
| A | 114.108.175.146🇰🇷 DACOM-NET114.108.128.0/18 contact yuncheol@bora.net if necessary | ||||||
| NS | ns1.hosting.co.kr | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| MX | sfilter.sjbolt.com ⭐ | ||||||
| A | 211.40.221.190🇰🇷 DACOM-NET211.40.0.0/16 contact noc@bora.net if necessary | ||||||
| PTR | spam.mailwood.com | ||||||
| SOA | dns1.maxion.co.kradmin@sjbolt.com serial=32 | ||||||
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=1777123241 | ||||||
Same first word
sjbolt.com |
Similar names
DNS History
11 records (8 active, 3 former)
●NSdns1.maxion.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
●NSdns2.maxion.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
○NSnis.dacom.co.kr2015-06-07 → 2020-02-12 · 4 obs
● 2020-02-12 16:35:48
○ 2026-02-19 14:04:16
○ 2026-04-25 13:43:06
●NSns1.hosting.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
○NSns2.dacom.co.kr2015-06-07 → 2020-02-12 · 4 obs
● 2020-02-12 16:35:48
○ 2026-02-19 14:04:16
○ 2026-04-25 13:43:06
●NSns2.hosting.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
●NSns3.hosting.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
●NSns4.hosting.co.kr2026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
●MXsfilter.sjbolt.com2015-06-07 → 2026-04-25 · 5 obs
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
●A165.140.20.1772026-02-19 → 2026-04-25 · 6 obs
● 2026-02-19 14:04:16
● 2026-03-16 17:04:46
○ 2026-03-17 15:20:24
● 2026-04-22 01:30:48
● 2026-04-25 13:43:06
○A211.40.221.902015-06-07 → 2020-02-12 · 4 obs
● 2020-02-12 16:35:48
○ 2026-02-19 14:04:16
○ 2026-04-25 13:43:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sjbolt.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sjbolt.com (unsigned zone)
⏱️ Timing
Total: 1481ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 165.140.20.177 |
| NS | 6 | ns1.hosting.co.kr, dns1.maxion.co.kr... |
| MX | 1 | sfilter.sjbolt.com (pri: 10) |
| SOA | 1 | dns1.maxion.co.kr admin.sjbolt.com |
Analysis
IP Addresses
sjbolt.com points to a single IP: 165.140.20.177.
Other host names, for instance wylift.co.kr, ksbearing.co.kr, firstpump.co.kr, starairbank.co.kr and sspring.co.kr share IP numbers with sjbolt.com.
Name Servers
sjbolt.com is delegated to six name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr, dns1.maxion.co.kr and dns2.maxion.co.kr.
sjbolt.com partially shares name servers with other domains; examples include ilgob.com, drobs.com, itako.com, cloudix.net and hifimall.co.kr.
Host names with one IP number:
ns1.hosting.co.kr points to: 121.254.170.11
ns2.hosting.co.kr points to: 43.201.141.93
ns3.hosting.co.kr points to: 121.254.170.12
ns4.hosting.co.kr points to: 43.201.141.93
dns1.maxion.co.kr points to: 121.254.170.11
dns2.maxion.co.kr points to: 114.108.175.146
Host names pointing to 121.254.170.11: ns1.hosting.co.kr and dns1.maxion.co.kr
Host names pointing to 43.201.141.93: ns2.hosting.co.kr and ns4.hosting.co.kr
Mail Servers
sjbolt.com is handled by a single mail server, sfilter.sjbolt.com.
sfilter.sjbolt.com points to a single IP: 211.40.221.190.