sys-m.co.jp - robtex.com
sys-m.co.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 157.7.44.166๐ฏ๐ต GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users807.vip.heteml.jp | ||||||
| NS | 01.dnsv.jp โญ | ||||||
| A | 2400:8500:3300::53๐ฏ๐ต GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53๐ฏ๐ต GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53๐ฏ๐ต GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53๐ฏ๐ต GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53๐ฏ๐ต GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53๐ฏ๐ต GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53๐ฏ๐ต GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mx.hetemail.jp โญ | ||||||
| A | 157.7.189.1๐ฏ๐ต GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1687501081 | ||||||
co.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
โMXmx.hetemail.jp2019-12-13 โ 2026-08-09 ยท 2 obs
โ 2026-08-09 16:06:58
โA157.7.44.1662019-12-13 โ 2026-08-09 ยท 2 obs
โ 2026-08-09 16:06:58
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, a.dns.jp, h.dns.jp... | - |
| sys-m.co.jp | 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp | 7 records |
โ Authoritative Response
Server:157.7.35.53
NS records: 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for sys-m.co.jp (unsigned zone)
โฑ๏ธ Timing
Total: 794ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.166 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mx.hetemail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
๐ Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
IP Addresses
sys-m.co.jp resolves to just one IP address, 157.7.44.166.
Two other host names, along with h-re.co.jp, users807.vip.heteml.jp and sstechno.co.jp, also share IP numbers with sys-m.co.jp.
Name Servers
The NS records for sys-m.co.jp point to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
sys-m.co.jp partially shares its NS delegation with several other domains, including sharlon-system.com, eastpoint.biz, grace-ah.com and two others.
Host names that have two IP addresses:
The A records for 01.dnsv.jp return 157.7.32.53 and 2400:8500:3300::53.
The A records for 03.dnsv.jp return 157.7.34.53 and 2400:8500:3000::53.
The A records for 04.dnsv.jp return 157.7.35.53 and 2400:8500:3fff::53.
Host names that point to one IP address:
02.dnsv.jp resolves to the IP address 157.7.33.53.
Mail Servers
The sole mail server for sys-m.co.jp is mx.hetemail.jp.
Among the domains sharing a mail server setup with sys-m.co.jp are uhlsport.jp, ee-am.com, theas-pre.com and two others.
mx.hetemail.jp resolves to 157.7.189.1 and no other IP number.