system-admin.jp - dns.ninja
system-admin.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1783709103 | ||||||
Same first word
system-admin.jp |
system-admin.info |
system-admin.com |
system-admin.de |
Similar names
DNS History
15 records (9 active, 6 former)
●NSns-1371.awsdns-43.org2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
●NSns-1855.awsdns-39.co.uk2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
●NSns-464.awsdns-58.com2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
●NSns-573.awsdns-07.net2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
○NSns1.value-domain.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
○NSns2.value-domain.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
●MXalt1.aspmx.l.google.com2015-06-14 → 2026-07-10 · 2 obs
● 2026-07-10 20:18:42
●MXalt2.aspmx.l.google.com2015-06-14 → 2026-07-10 · 2 obs
● 2026-07-10 20:18:42
●MXalt3.aspmx.l.google.com2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
●MXalt4.aspmx.l.google.com2026-04-30 → 2026-07-10 · 3 obs
● 2026-04-30 01:45:58
● 2026-07-10 20:18:42
●MXaspmx.l.google.com2015-06-14 → 2026-07-10 · 2 obs
● 2026-07-10 20:18:42
○MXaspmx2.googlemail.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
○MXaspmx3.googlemail.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
○MXaspmx4.googlemail.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
○MXaspmx5.googlemail.com2015-06-14 → 2016-12-24 · 4 obs
● 2016-12-24 13:18:16
○ 2026-04-30 01:45:58
○ 2026-07-10 20:18:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| system-admin.jp | ns-1855.awsdns-39.co.uk, ns-573.awsdns-07.net, ns-464.awsdns-58.com, ns-1371.awsdns-43.org | - |
✅ Authoritative Response
Server:205.251.199.63
NS records: ns-1855.awsdns-39.co.uk, ns-573.awsdns-07.net, ns-464.awsdns-58.com, ns-1371.awsdns-43.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system-admin.jp (unsigned zone)
⏱️ Timing
Total: 3002ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1371.awsdns-43.org, ns-1855.awsdns-39.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=gj4gq72BOxrIKIS, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-1371.awsdns-43.org awsdns-hostmaster. |
Analysis
Name Servers
Four name servers handle the delegation for system-admin.jp: ns-464.awsdns-58.com, ns-573.awsdns-07.net, ns-1371.awsdns-43.org and ns-1855.awsdns-39.co.uk.
system-admin.jp partially shares its NS delegation with several other domains, including hydrospace.ca, toqua.ai, edclass.com and two others.
ns-464.awsdns-58.com, ns-573.awsdns-07.net, ns-1371.awsdns-43.org and ns-1855.awsdns-39.co.uk each carry two IP addresses. ns-464.awsdns-58.com has 205.251.193.208 and 2600:9000:5301:d000::1; ns-573.awsdns-07.net has 205.251.194.61 and 2600:9000:5302:3d00::1; ns-1371.awsdns-43.org has 205.251.197.91 and 2600:9000:5305:5b00::1; ns-1855.awsdns-39.co.uk has 205.251.199.63 and 2600:9000:5307:3f00::1.
Mail Servers
system-admin.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by system-admin.jp are shared with other domains: pgi.net.au, ns500768.ns500698.ns500698.ns500698.ns500698.ns500759.ns500735.ns500698.ns500735.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com, ns500698.ns500759.ns500759.ns500759.ns500758.ns500758.ns500735.ns500736.ns500735.ns500576.ns500576.ns500708.ns500576.ns500698.ns500708.ns500619.ns500652.trackreceptor.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com directs traffic to 172.253.63.27 and 2607:f8b0:4004:c1d::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.