tecs.co.jp - robtex.com
tecs.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.26.37🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | m36.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 | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | tecs.co.jp ⭐ | ||||||
| A | 202.172.26.37🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | m36.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.26.37 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@tecs.co.jp 2020-08-26 #20 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
tecs.co.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.value-domain.com2015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 12:01:22
●NSns2.value-domain.com2015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 12:01:22
●NSns3.value-domain.com2026-07-02 → 2026-08-13 · 3 obs
● 2026-07-02 18:03:16
● 2026-08-13 12:01:22
●MXtecs.co.jp2015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 12:01:22
●A202.172.26.372015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 12:01:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| tecs.co.jp | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tecs.co.jp (unsigned zone)
⏱️ Timing
Total: 1041ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.26.37 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | tecs.co.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.172.26.37 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.tecs.co. |
Analysis
Mail Server Role
tecs.co.jp serves as a mail server for tecs.co.jp.
IP Addresses
tecs.co.jp has exactly one IP address — 202.172.26.37.
6-dimension.net, b-charcoal.com, gpf.jp plus two other host names have IP numbers in common with tecs.co.jp.
Name Servers
tecs.co.jp is served by three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.
The name servers of tecs.co.jp overlap at least partially with those of other domains — among them obanat.net, image-hairk.com, toushiya.com and two more.
These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns11.value-domain.com, plus two others.
ns1.value-domain.com and ns3.value-domain.com both resolve to 172.64.52.38, while ns2.value-domain.com resolves to 172.64.53.3. All three hostnames map to exactly one IP address each.
ns1.value-domain.com and ns3.value-domain.com each have 172.64.52.38 IP addresses.
Mail Servers
tecs.co.jp uses exactly one mail server, which is tecs.co.jp.
tecs.co.jp resolves to 202.172.26.37 and no other IP number.