ustrm.tk - dns.ninja
ustrm.tk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.28.28🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | s27.coreserver.jp | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | ustrm.tk ⭐ | ||||||
| A | 202.172.28.28🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | s27.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.28.28 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@ustrm.tk 2022-09-05 #21 | ||||||
tk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.119.57.22 | ||||||
| NS | a.ns.tk ⭐ | ||||||
| NS | b.ns.tk | ||||||
| NS | c.ns.tk | ||||||
| NS | d.ns.tk | ||||||
| SOA | a.ns.tkjoost\@zuurbier.dot.tk serial=1786188290 | ||||||
MX for
ustrm.tk |
Same first word
ustrm.tk |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.value-domain.com2015-07-14 → 2026-08-09 · 2 obs
● 2026-08-09 00:19:22
●NSns2.value-domain.com2015-07-14 → 2026-08-09 · 2 obs
● 2026-08-09 00:19:22
●MXustrm.tk2015-07-14 → 2026-08-09 · 2 obs
● 2026-08-09 00:19:22
●A202.172.28.282026-02-25 → 2026-08-09 · 3 obs
● 2026-02-25 09:10:56
● 2026-08-09 00:19:22
○A203.189.105.562015-07-14 → 2017-02-18 · 4 obs
● 2017-02-18 04:04:24
○ 2026-02-25 09:10:56
○ 2026-08-09 00:19:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tk | a.ns.tk, d.ns.tk, c.ns.tk, b.ns.tk | - |
| ustrm.tk | ns1.value-domain.com, ns2.value-domain.com | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tk (unsigned zone)
⏱️ Timing
Total: 747ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.28.28 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | ustrm.tk (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.172.28.28 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.ustrm.tk |
Analysis
Mail Server Role
ustrm.tk serves as a mail server for ustrm.tk.
IP Addresses
ustrm.tk has exactly one IP address — 202.172.28.28.
wlanlab.net, wmdr.tk, srank.tk plus two other host names have IP numbers in common with ustrm.tk.
Name Servers
Two name servers handle the delegation for ustrm.tk: ns1.value-domain.com and ns2.value-domain.com.
The name server configuration of ustrm.tk is shared with other domains, for instance kisaki.biz, tax-shimada.com, maple.ne.jp and two others.
At least some of ustrm.tk's name servers are shared with other domains, for example shintokyo-ds.jp, bambino-bambina.com, systemble.jp and two more.
These name servers tend to co-occur with ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com and 3 other name servers in the same DNS delegations.
Each of ns1.value-domain.com and ns2.value-domain.com has one IP address: ns1.value-domain.com uses 172.64.52.38 and ns2.value-domain.com uses 172.64.53.3.
Mail Servers
ustrm.tk uses exactly one mail server, which is ustrm.tk.
ustrm.tk carries a single IP number, which is 202.172.28.28.