jcoltd.com - robtex.com
jcoltd.com
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=1774535142 | ||||||
Subdomains
ns.jcoltd.com |
Similar names
DNS History
12 records (7 active, 5 former)
○NSns.jcoltd.com2015-08-24 → 2020-02-29 · 4 obs
● 2020-02-29 04:16:38
○ 2026-03-26 14:45:10
○ 2026-03-26 14:45:12
○NSns04.xbit.jp2015-08-24 → 2020-02-29 · 4 obs
● 2020-02-29 04:16:38
○ 2026-03-26 14:45:10
○ 2026-03-26 14:45:12
●NSns1.xserver.jp2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
●NSns2.xserver.jp2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
●NSns3.xserver.jp2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
●NSns4.xserver.jp2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
●NSns5.xserver.jp2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
●MXjcoltd.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
○MXmail.jcoltd.com2015-08-24 → 2020-02-29 · 4 obs
● 2020-02-29 04:16:38
○ 2026-03-26 14:45:10
○ 2026-03-26 14:45:12
●A103.3.2.622026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 14:45:10
● 2026-03-26 14:45:12
○A59.106.166.1862015-08-24 → 2017-03-27 · 4 obs
● 2017-03-27 17:01:20
○ 2020-02-29 04:16:38
○ 2026-03-26 14:45:12
○A59.106.167.1292020-02-29 → 2020-02-29 · 4 obs
● 2020-02-29 04:16:38
○ 2026-03-26 14:45:10
○ 2026-03-26 14:45:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net... | - |
| jcoltd.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:35.72.43.26
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcoltd.com (unsigned zone)
⏱️ Timing
Total: 1017ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.3.2.62 |
| NS | 5 | ns1.xserver.jp, ns5.xserver.jp... |
| MX | 1 | jcoltd.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv12061.xserver.jp +a:jcoltd.c |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
jcoltd.com is a parent of ns.jcoltd.com.
IP Addresses
jcoltd.com points to a single IP address: 103.3.2.62.
Other host names such as www.yarigatake.co.jp, smtp.e-maple.com, sv12061.xserver.jp, rusk01.com and www.sunwise.co.jp share IP numbers with jcoltd.com.
Name Servers
jcoltd.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
At least part of the name servers for jcoltd.com are shared with other domains, for instance doyu.info, town-echizen.jp, hm-b-b.com, tetsu-cpa.com and dnoz.net.
Host names with three IP numbers:
ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
Mail for jcoltd.com is handled by a single mail server, jcoltd.com.
Host jcoltd.com points to IP 103.3.2.62.