t-osk.com - robtex.com
t-osk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.205.221.106🇯🇵 AICS157.205.220.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp | ||||||
| PTR | websvr157-205-221-106.alpha-prm.jp | ||||||
| NS | fjkdns99.alpha-prm.jp ⭐ | ||||||
| A | 157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkmst11.alpha-prm.jp | ||||||
| NS | fjkdns11.alpha-prm.jp | ||||||
| A | 157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns11.alpha-prm.jp | ||||||
| NS | fjkdns12.alpha-prm.jp | ||||||
| A | 157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns12.alpha-prm.jp | ||||||
| NS | fjkdns13.alpha-prm.jp | ||||||
| A | 157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns13.alpha-prm.jp | ||||||
| MX | mxi.alpha-prm.jp ⭐ | ||||||
| A | 157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | mxi.alpha-prm.jp | ||||||
| TXT | v=spf1 ip4:157.205.221.106/32 include:spf.alpha-prm.jp ~all | ||||||
| SOA | fjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2026-04-22 #1 | ||||||
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=1777443746 | ||||||
Subdomains
www.t-osk.com |
Same first word
t-osk.com |
Similar names
st-ko.com |
ko-st.de |
sok-t.ru |
sot-k.com |
t-oks.kz |
s-otk.ru |
kt-so.com |
tok-s.jp |
st-ok.de |
ko-st.ru |
okt-s.com |
osk-t.com |
k-ots.com |
st-ok.ru |
k-sto.com |
os-tk.ru |
st-ok.com.ua |
ks-ot.com |
st-ok.com |
t-kos.de |
DNS History
11 records (6 active, 5 former)
○NSfjkdns01.alpha-prm.jp2015-08-30 → 2017-06-01 · 4 obs
● 2017-06-01 00:03:18
○ 2026-03-11 06:08:18
○ 2026-04-29 06:29:28
○NSfjkdns02.alpha-prm.jp2015-08-30 → 2017-06-01 · 4 obs
● 2017-06-01 00:03:18
○ 2026-03-11 06:08:18
○ 2026-04-29 06:29:28
○NSfjkdns03.alpha-prm.jp2015-08-30 → 2017-06-01 · 4 obs
● 2017-06-01 00:03:18
○ 2026-03-11 06:08:18
○ 2026-04-29 06:29:28
●NSfjkdns11.alpha-prm.jp2026-03-11 → 2026-04-29 · 3 obs
● 2026-03-11 06:08:18
● 2026-04-29 06:29:28
●NSfjkdns12.alpha-prm.jp2026-03-11 → 2026-04-29 · 3 obs
● 2026-03-11 06:08:18
● 2026-04-29 06:29:28
●NSfjkdns13.alpha-prm.jp2026-03-11 → 2026-04-29 · 3 obs
● 2026-03-11 06:08:18
● 2026-04-29 06:29:28
●NSfjkdns99.alpha-prm.jp2026-03-11 → 2026-04-29 · 3 obs
● 2026-03-11 06:08:18
● 2026-04-29 06:29:28
○NSfjkmst01.alpha-prm.jp2015-08-30 → 2017-06-01 · 4 obs
● 2017-06-01 00:03:18
○ 2026-03-11 06:08:18
○ 2026-04-29 06:29:28
●MXmxi.alpha-prm.jp2015-08-30 → 2026-04-29 · 2 obs
● 2026-04-29 06:29:28
○A157.205.12.982015-08-30 → 2017-06-01 · 4 obs
● 2017-06-01 00:03:18
○ 2026-03-11 06:08:18
○ 2026-04-29 06:29:28
●A157.205.221.1062026-03-11 → 2026-04-29 · 3 obs
● 2026-03-11 06:08:18
● 2026-04-29 06:29:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net... | - |
| t-osk.com | fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp | - |
✅ Authoritative Response
Server:157.205.160.33
NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for t-osk.com (unsigned zone)
⏱️ Timing
Total: 1185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.205.221.106 |
| NS | 3 | fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp... |
| MX | 1 | mxi.alpha-prm.jp (pri: 100) |
| TXT | 1 | v=spf1 ip4:157.205.221.106/32 include:sp |
| SOA | 1 | fjkdns99.alpha-prm.jp hostmaster.alpha-p |
Analysis
Hierarchy
The parent of www.t-osk.com is t-osk.com.
IP Addresses
t-osk.com points to a single IP number: 157.205.221.106.
Other host names, for instance www.t-osk.com and websvr157-205-221-106.alpha-prm.jp, share IP numbers with t-osk.com.
Name Servers
t-osk.com is delegated to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.
t-osk.com shares name servers with other domains at least partially, for instance tomoe-kozai.com, ferie.co.jp, sanki-louver.co.jp, works-h.co.jp and mitsui-s.com.
Host names with a single IP:
fjkdns11.alpha-prm.jp points to 157.205.203.136.
fjkdns12.alpha-prm.jp points to 157.205.160.33.
fjkdns13.alpha-prm.jp points to 157.205.160.49.
fjkdns99.alpha-prm.jp points to 157.205.203.140.
Mail Servers
The mail server for t-osk.com is mxi.alpha-prm.jp.
t-osk.com shares the same mail server setup as other domains, including wakouss.co.jp, asahi-tsusho.com, m-travers.com, takaokakogyo.com and n-tax.jp.
Host name mxi.alpha-prm.jp resolves to IP 157.205.8.22.