sd-network.co.jp - robtex.com
sd-network.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.99.172.97🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| PTR | server42.dsbsv.net | ||||||
| NS | manage.asp-frontier.net ⭐ | ||||||
| A | 219.99.168.43🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| PTR | manage.asp-frontier.net | ||||||
| NS | dns1.asp-frontier.net | ||||||
| A | 219.99.172.38🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| PTR | 219-99-172-38.asp-frontier.net | ||||||
| NS | dns2.asp-frontier.net | ||||||
| A | 219.99.166.20🇯🇵 FUTURE219.99.160.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| NS | dns3.asp-frontier.net | ||||||
| A | 219.99.167.23🇯🇵 FUTURE219.99.160.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| MX | mail.sd-network.co.jp ⭐ | ||||||
| A | 219.99.172.97🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim | ||||||
| PTR | server42.dsbsv.net | ||||||
| TXT | v=spf1 +a +mx ~all | ||||||
| SOA | manage.asp-frontier.netroot@manage.asp-frontier.net 2017-02-27 #2 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mail.sd-network.co.jp |
Same first word
Similar names
dent-works.nl |
d-networks.jp |
network-ds.com |
ds-network.de |
dent-works.com |
dworks-ent.net |
d-networks.de |
dworks-ent.co.jp |
d-networks.net |
DNS History
8 records (6 active, 2 former)
●NSdns1.asp-frontier.net2026-05-27 → 2026-06-08 · 3 obs
● 2026-05-27 03:51:58
● 2026-06-08 10:09:28
●NSdns2.asp-frontier.net2026-05-27 → 2026-06-08 · 3 obs
● 2026-05-27 03:51:58
● 2026-06-08 10:09:28
●NSdns3.asp-frontier.net2026-05-27 → 2026-06-08 · 3 obs
● 2026-05-27 03:51:58
● 2026-06-08 10:09:28
●NSmanage.asp-frontier.net2018-05-16 → 2026-06-08 · 2 obs
● 2026-06-08 10:09:28
○NSns01.asp-frontier.net2018-05-16 → 2018-05-16 · 3 obs
○ 2026-05-27 03:51:58
○ 2026-06-08 10:09:28
○NSns02.asp-frontier.net2018-05-16 → 2018-05-16 · 3 obs
○ 2026-05-27 03:51:58
○ 2026-06-08 10:09:28
●MXmail.sd-network.co.jp2018-05-16 → 2026-06-08 · 2 obs
● 2026-06-08 10:09:28
●A219.99.172.972018-05-16 → 2026-06-08 · 2 obs
● 2026-06-08 10:09:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, a.dns.jp, d.dns.jp, e.dns.jp... | - |
| sd-network.co.jp | dns2.asp-frontier.net, dns1.asp-frontier.net, dns3.asp-frontier.net | - |
✅ Authoritative Response
Server:219.99.166.20
NS records: dns2.asp-frontier.net, dns1.asp-frontier.net, dns3.asp-frontier.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sd-network.co.jp (unsigned zone)
⏱️ Timing
Total: 1405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.99.172.97 |
| NS | 3 | dns3.asp-frontier.net, dns2.asp-frontier.net... |
| MX | 1 | mail.sd-network.co.jp (pri: 10) |
| TXT | 1 | v=spf1 +a +mx ~all |
| SOA | 1 | manage.asp-frontier.net root.manage.asp- |
Analysis
Hierarchy
sd-network.co.jp serves as the parent of mail.sd-network.co.jp.
IP Addresses
sd-network.co.jp resolves to just one IP address, 219.99.172.97.
Two other host names, along with server42.dsbsv.net, mail.sanchokucenter.com and sin-act.com, also share IP numbers with sd-network.co.jp.
Name Servers
DNS for sd-network.co.jp is handled by 4 name servers: dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net and manage.asp-frontier.net.
sd-network.co.jp has at least partial name server overlap with other domains, such as tia-online.net, magara.jp, kitagunma.jp and two others.
It is common to find these name servers paired with the name servers dns.asp-frontier.net.
The hosts dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net and manage.asp-frontier.net all resolve to exactly one IP address each: 219.99.172.38, 219.99.166.20, 219.99.167.23 and 219.99.168.43 respectively.
Mail Servers
The sole mail server for sd-network.co.jp is mail.sd-network.co.jp.
mail.sd-network.co.jp has exactly one IP number: 219.99.172.97.