apsub.net - robtex.com
apsub.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.112.144.9🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc. | ||||||
| PTR | sv108.sixcore.ne.jp | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | apsub.net ⭐ | ||||||
| A | 157.112.144.9🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc. | ||||||
| PTR | sv108.sixcore.ne.jp | ||||||
| TXT | v=spf1 +a:sv108.sixcore.ne.jp +a:apsub.net +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.sixcore.ne.jproot@sixcore.ne.jp serial=0 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291465 | ||||||
MX for
apsub.net |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.sixcore.ne.jp2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:47:04
●NSns2.sixcore.ne.jp2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:47:04
●NSns3.sixcore.ne.jp2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:47:04
●MXapsub.net2026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:47:04
●A157.112.144.92026-02-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:47:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| apsub.net | ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp | - |
✅ Authoritative Response
Server:202.226.36.232
NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for apsub.net (unsigned zone)
⏱️ Timing
Total: 784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.144.9 |
| NS | 3 | ns1.sixcore.ne.jp, ns3.sixcore.ne.jp... |
| MX | 1 | apsub.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv108.sixcore.ne.jp +a:apsub.n |
| SOA | 1 | ns1.sixcore.ne.jp root.sixcore.ne.jp |
Analysis
Mail Server Role
apsub.net serves as the mail server for apsub.net.
IP Addresses
apsub.net points to a single IP address: 157.112.144.9.
Other host names such as love-central.jp, advpro.co.jp, garage-tf.info, mediamix.hk and e-zeal.jp share IP numbers with apsub.net.
Name Servers
apsub.net is delegated to three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
At least part of the name servers for apsub.net are shared with other domains, for instance uccj.jp, coolinglab.co.jp, analysis.jp, ktax.info and y-p.co.jp.
Host names with a single IP:
ns1.sixcore.ne.jp points to: 202.226.36.232
ns2.sixcore.ne.jp points to: 202.226.39.241
ns3.sixcore.ne.jp points to: 202.226.37.248
Mail Servers
Mail for apsub.net is handled by a single mail server, apsub.net.
Host apsub.net points to IP 157.112.144.9.