x-core.co.jp - robtex.com
x-core.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.172.183.41🇯🇵 GMO-INTERNET210.172.183.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www7.gmoserver.jp | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| A | 157.7.33.81🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns01.gmoserver.jp | ||||||
| NS | dns02.gmoserver.jp | ||||||
| A | 157.7.34.81🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns02.gmoserver.jp | ||||||
| MX | mx7.gmoserver.jp ⭐ | ||||||
| A | 210.172.183.45🇯🇵 GMO-INTERNET210.172.183.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx7.gmoserver.jp | ||||||
| TXT | v=spf1 include:spf7.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@x-core.co.jp 2012-07-22 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
rex-co.jp |
core-x.com |
core-x.de |
core-x.com.tr |
rex-co.com |
core-x.net |
creo-x.no |
cor-ex.com |
co-rex.com |
eco-rx.com |
rec-ox.com |
DNS History
4 records (4 active, 0 former)
●NSdns01.gmoserver.jp2015-08-18 → 2026-04-14 · 2 obs
● 2026-04-14 12:26:00
●NSdns02.gmoserver.jp2015-08-18 → 2026-04-14 · 2 obs
● 2026-04-14 12:26:00
●MXmx7.gmoserver.jp2015-08-18 → 2026-04-14 · 2 obs
● 2026-04-14 12:26:00
●A210.172.183.412015-08-18 → 2026-04-14 · 2 obs
● 2026-04-14 12:26:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| x-core.co.jp | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.33.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for x-core.co.jp (unsigned zone)
⏱️ Timing
Total: 1467ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.172.183.41 |
| NS | 2 | dns01.gmoserver.jp, dns02.gmoserver.jp |
| MX | 1 | mx7.gmoserver.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf7.gmoserver.jp ~all |
| SOA | 1 | dns01.gmoserver.jp hostmaster.x-core.co. |
Analysis
IP Addresses
x-core.co.jp resolves to one IP number: 210.172.183.41.
Other host names, for instance www.filofest.com, ebisutown.com, iammusic.jp, saneisya.com and n-logi.com share IP numbers with x-core.co.jp.
Name Servers
x-core.co.jp's delegation uses two name servers: dns01.gmoserver.jp and dns02.gmoserver.jp.
x-core.co.jp uses the same name server setup as other domains, such as ta-kankoukyoukai.com, xriya.net, cofa-net.com, arc-design.biz and kainuma.com.
x-core.co.jp at least partially shares name servers with other domains, for example link-sp.com.
Host names with a single IP address: dns01.gmoserver.jp points to 157.7.33.81; dns02.gmoserver.jp points to 157.7.34.81.
Mail Servers
A single mail server handles x-core.co.jp, mx7.gmoserver.jp.
x-core.co.jp shares the same mail server setup as other domains, for instance bigero.com, kanasago.com, davincimaster.com, fiftyfive.biz and sanrein.com.
x-core.co.jp shares some mail servers with other domains, at least in part; for example i-tra.com and kitaharagakuen.net.
These mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host name mx7.gmoserver.jp resolves to a single IP: 210.172.183.45.