users.gr.jp - robtex.com
users.gr.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix | ||||||
| PTR | sv01.j-dns.jp | ||||||
| NS | ns1.j-dns.jp ⭐ | ||||||
| A | 13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix | ||||||
| PTR | sv01.j-dns.jp | ||||||
| NS | ns2.j-dns.jp | ||||||
| A | 3.1.199.252🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix | ||||||
| PTR | ns2.j-dns.jp | ||||||
| NS | ns3.j-dns.jp | ||||||
| A | 13.114.131.61🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-13-114-131-61.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns4.j-dns.jp | ||||||
| A | 100.20.49.22🇺🇸 Amazon100.20.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-100-20-49-22.us-west-2.compute.amazonaws.com | ||||||
| MX | mail.mailer-host.com ⭐ | ||||||
| A | 5.161.104.147🇺🇸 HETZNER-CLOUD2-AS5.161.104.0/24 | ||||||
| PTR | mail.mailer-host.com | ||||||
| A | 157.245.74.72🇳🇱 DIGITALOCEAN157.245.64.0/20 DigitalOcean | ||||||
| PTR | mail.mailer-host.com | ||||||
| TXT | v=spf1 ip6:fdf3:d665:9546::/48 -all | ||||||
| SOA | ns1.j-dns.jproot@sv01.j-dns.jp 2026-04-06 #4 | ||||||
gr.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | gr.jp. | ||||||
WOT: SAFE (93/100)
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●MXmail.mailer-host.com2026-04-03 → 2026-04-12 · 2 obs
● 2026-04-12 11:31:04
●A13.231.14.2372026-04-03 → 2026-04-12 · 2 obs
● 2026-04-12 11:31:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, d.dns.jp, c.dns.jp, h.dns.jp... | - |
| users.gr.jp | ns4.j-dns.jp, ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp | 4 records |
✅ Authoritative Response
Server:100.20.49.22
NS records: ns4.j-dns.jp, ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for users.gr.jp (unsigned zone)
⏱️ Timing
Total: 717ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.231.14.237 |
| NS | 4 | ns4.j-dns.jp, ns1.j-dns.jp... |
| MX | 1 | mail.mailer-host.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fdf3:d665:9546::/48 -all |
| SOA | 1 | ns1.j-dns.jp root.sv01.j-dns.jp |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp...)
Analysis
IP Addresses
users.gr.jp resolves to one IP number: 13.231.14.237.
other host names including uae.jp, precea.jp, shakuhachi.jp, techroom.jp and ooc789.com share IP numbers with users.gr.jp.
Name Servers
users.gr.jp is delegated to four name servers: ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp and ns4.j-dns.jp.
users.gr.jp at least partially shares name servers with other domains, for instance maxandco.co.jp, aikido.jp, macphee.jp, ccibs.co.jp and akb48teamogi.jp.
Host names with one IP number: ns1.j-dns.jp points to 13.231.14.237; ns2.j-dns.jp points to 3.1.199.252; ns3.j-dns.jp points to 13.114.131.61; ns4.j-dns.jp points to 100.20.49.22.
Mail Servers
users.gr.jp is handled by a single mail server, mail.mailer-host.com.
users.gr.jp shares the same mail server setup as other domains, for instance bancoprosper.com.br, sodiler.com.br, mmtgapnet.com.br, happyhourworkshop.com and jin.ne.jp.
mail.mailer-host.com resolves to two IP numbers: 5.161.104.147 and 157.245.74.72.