a2network.jp - dns.ninja
a2network.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=1782886503 | ||||||
Subdomains
www.a2network.jp |
Same first word
Similar names
DNS History
23 records (11 active, 12 former)
○NSmaster.dns.ne.jp2015-06-04 → 2020-01-19 · 4 obs
● 2020-01-19 21:54:28
○ 2026-02-19 11:43:48
○ 2026-07-01 06:46:28
●NSns-1312.awsdns-36.org2026-02-19 → 2026-07-01 · 3 obs
● 2026-02-19 11:43:48
● 2026-07-01 06:46:28
●NSns-1568.awsdns-04.co.uk2026-02-19 → 2026-07-01 · 3 obs
● 2026-02-19 11:43:48
● 2026-07-01 06:46:28
●NSns-189.awsdns-23.com2026-02-19 → 2026-07-01 · 3 obs
● 2026-02-19 11:43:48
● 2026-07-01 06:46:28
●NSns-622.awsdns-13.net2026-02-19 → 2026-07-01 · 3 obs
● 2026-02-19 11:43:48
● 2026-07-01 06:46:28
○NSns1.dns.ne.jp2015-06-04 → 2020-01-19 · 4 obs
● 2020-01-19 21:54:28
○ 2026-02-19 11:43:48
○ 2026-07-01 06:46:28
○NSns2.dns.ne.jp2015-06-04 → 2020-01-19 · 4 obs
● 2020-01-19 21:54:28
○ 2026-02-19 11:43:48
○ 2026-07-01 06:46:28
●MXalt1.aspmx.l.google.com2015-06-04 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
●MXalt2.aspmx.l.google.com2015-06-04 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
●MXaspmx.l.google.com2015-06-04 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
●MXaspmx2.googlemail.com2015-06-04 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
●MXaspmx3.googlemail.com2015-06-04 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
○A13.192.46.552026-03-18 → 2026-03-18 · 4 obs
● 2026-03-18 03:49:50
○ 2026-05-24 15:26:42
○ 2026-07-01 06:46:28
○A16.76.72.752026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 15:26:42
○ 2026-07-01 06:46:28
○A176.34.13.1732026-02-19 → 2026-07-01 · 2 obs
○ 2026-07-01 06:46:28
●A18.178.8.1202026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
○A35.73.244.1822026-02-19 → 2026-02-19 · 4 obs
● 2026-02-19 11:43:48
○ 2026-03-18 03:49:50
○ 2026-07-01 06:46:28
○A49.212.180.1682015-06-04 → 2020-01-19 · 4 obs
● 2020-01-19 21:54:28
○ 2026-02-19 11:43:48
○ 2026-07-01 06:46:28
○A52.197.179.1972026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 15:26:42
○ 2026-07-01 06:46:28
○A52.68.237.522026-02-19 → 2026-07-01 · 2 obs
○ 2026-07-01 06:46:28
○A54.150.248.2202026-02-19 → 2026-02-19 · 4 obs
● 2026-02-19 11:43:48
○ 2026-03-18 03:49:50
○ 2026-07-01 06:46:28
○A54.250.160.2092026-03-18 → 2026-03-18 · 4 obs
● 2026-03-18 03:49:50
○ 2026-05-24 15:26:42
○ 2026-07-01 06:46:28
●A54.65.216.1362026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 06:46:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| a2network.jp | ns-189.awsdns-23.com, ns-622.awsdns-13.net, ns-1312.awsdns-36.org, ns-1568.awsdns-04.co.uk | - |
✅ Authoritative Response
Server:205.251.197.32
NS records: ns-189.awsdns-23.com, ns-622.awsdns-13.net, ns-1312.awsdns-36.org, ns-1568.awsdns-04.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a2network.jp (unsigned zone)
⏱️ Timing
Total: 917ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 18.178.8.120, 54.65.216.136 |
| NS | 4 | ns-1312.awsdns-36.org, ns-1568.awsdns-04.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 3 | google-site-verification=HR1xVjYsp0oLw55, google-site-verification=XkJ6_afTYEgt43E... |
| SOA | 1 | ns-1312.awsdns-36.org awsdns-hostmaster. |
Analysis
Hierarchy
a2network.jp serves as the parent of www.a2network.jp.
IP Addresses
a2network.jp directs to two IP numbers, 18.178.8.120 and 54.65.216.136
Name Servers
Four name servers handle the delegation for a2network.jp: ns-189.awsdns-23.com, ns-622.awsdns-13.net, ns-1312.awsdns-36.org and ns-1568.awsdns-04.co.uk.
a2network.jp has at least partial name server overlap with other domains, such as nmbr8.com, sterlingbancorp.com, passionnementtennis.com and two others.
ns-189.awsdns-23.com, ns-622.awsdns-13.net, ns-1312.awsdns-36.org and ns-1568.awsdns-04.co.uk all point to exactly two IP numbers each: ns-189.awsdns-23.com → 205.251.192.189 and 2600:9000:5300:bd00::1; ns-622.awsdns-13.net → 205.251.194.110 and 2600:9000:5302:6e00::1; ns-1312.awsdns-36.org → 205.251.197.32 and 2600:9000:5305:2000::1; ns-1568.awsdns-04.co.uk → 205.251.198.32 and 2600:9000:5306:2000::1.
Mail Servers
Mail for a2network.jp is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by a2network.jp are shared with other domains: houstonhomeloan.com, hama-giken.com, diataxis.fr and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 142.251.179.27 and 2607:f8b0:4004:c29::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.26 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.