as-if.jp - robtex.com
as-if.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:e42:102:1106:153:121:45:67🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN | ||||||
| PTR | server.as-if.jp | ||||||
| A | 153.121.45.67🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | server.as-if.jp ⭐ | ||||||
| A | 2001:e42:102:1106:153:121:45:67🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN | ||||||
| PTR | server.as-if.jp | ||||||
| A | 153.121.45.67🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | server.as-if.jp | ||||||
| TXT | v=spf1 +mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-04-02 #1 | ||||||
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=1785590102 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●MXserver.as-if.jp2026-03-28 → 2026-08-01 · 3 obs
● 2026-03-28 06:27:54
● 2026-08-01 13:50:30
○MXsvr.as-if.jp2015-08-18 → 2017-04-30 · 4 obs
● 2017-04-30 03:58:52
○ 2026-03-28 06:27:54
○ 2026-08-01 13:50:30
●A153.121.45.672026-03-28 → 2026-08-01 · 2 obs
● 2026-08-01 13:50:30
●A2001:e42:102:1106:153:121:45:672026-03-28 → 2026-08-01 · 2 obs
● 2026-08-01 13:50:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, a.dns.jp, b.dns.jp, h.dns.jp... | - |
| as-if.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for as-if.jp (unsigned zone)
⏱️ Timing
Total: 449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.121.45.67 |
| AAAA | 1 | 2001:e42:102:1106:153:121:45:67 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | server.as-if.jp (pri: 10) |
| TXT | 1 | v=spf1 +mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
The parent domain of svr.as-if.jp and server.as-if.jp is as-if.jp.
IP Addresses
as-if.jp points to the IP addresses 153.121.45.67 and 2001:e42:102:1106:153:121:45:67
Among the host names that share IP numbers with as-if.jp is server.as-if.jp, as one example.
Name Servers
as-if.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of as-if.jp overlap at least partially with those of other domains — among them yokohama-jiko.jp, goukaku.org, zvo.jp and two more.
These name servers commonly appear in combination with the name servers dns.sakura.ad.jp.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
as-if.jp routes its mail through a single mail server, server.as-if.jp.
server.as-if.jp resolves to two IP numbers — 153.121.45.67 and 2001:e42:102:1106:153:121:45:67.