878.co.jp - robtex.com
878.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.151.184🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s369.xrea.com | ||||||
| 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 | 878.co.jp ⭐ | ||||||
| A | 160.251.151.184🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s369.xrea.com | ||||||
| TXT | v=spf1 ip4:160.251.151.184 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@878.co.jp 2020-08-26 #19 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
878.co.jp |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.value-domain.com2015-06-04 → 2026-08-06 · 2 obs
● 2026-08-06 12:11:26
●NSns2.value-domain.com2015-06-04 → 2026-08-06 · 2 obs
● 2026-08-06 12:11:26
●NSns3.value-domain.com2026-04-30 → 2026-08-06 · 3 obs
● 2026-04-30 16:45:48
● 2026-08-06 12:11:26
●MX878.co.jp2015-06-04 → 2026-08-06 · 2 obs
● 2026-08-06 12:11:26
○A150.95.9.1842017-06-08 → 2017-06-08 · 4 obs
● 2017-06-08 10:17:42
○ 2026-04-30 16:45:48
○ 2026-08-06 12:11:26
●A160.251.151.1842026-04-30 → 2026-08-06 · 3 obs
● 2026-04-30 16:45:48
● 2026-08-06 12:11:26
○A203.189.105.1842015-06-04 → 2016-11-20 · 4 obs
● 2016-11-20 20:52:48
○ 2017-06-08 10:17:42
○ 2026-08-06 12:11:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| 878.co.jp | ns3.value-domain.com, ns1.value-domain.com, ns2.value-domain.com | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns3.value-domain.com, ns1.value-domain.com, ns2.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 878.co.jp (unsigned zone)
⏱️ Timing
Total: 2035ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.151.184 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | 878.co.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:160.251.151.184 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.878.co.j |
Analysis
Mail Server Role
878.co.jp acts as its own mail server.
IP Addresses
878.co.jp points to a single IP number: 160.251.151.184.
Additional host names — bijinesu-school.net, mail.t-size.net, hysysk.org and two others — share IP numbers with 878.co.jp.
Name Servers
878.co.jp is served by three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.
At least some of 878.co.jp's name servers are shared with other domains, for example eeic.jp, epsross.com, eijsr.org and two more.
These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com each resolve to a single IP address: ns1.value-domain.com resolves to 172.64.52.38, ns2.value-domain.com resolves to 172.64.53.3 and ns3.value-domain.com resolves to 172.64.52.38.
ns1.value-domain.com and ns3.value-domain.com each have 172.64.52.38 IP addresses.
Mail Servers
878.co.jp has a single mail server: 878.co.jp itself.
878.co.jp resolves to 160.251.151.184 and no other IP number.