utils.jp - robtex.com
utils.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.136.114🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www8100uf.sakura.ne.jp | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | utils.sakura.ne.jp ⭐ | ||||||
| A | 49.212.235.226🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3486.sakura.ne.jp | ||||||
| TXT | v=spf1 a:utils.sakura.ne.jp include:aspmx.googlemail.com mx:utils.jp ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@utils.jp 2020-08-26 #18 | ||||||
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=1778121002 | ||||||
Previously MX for
utils.jp |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.value-domain.com2015-07-24 → 2026-05-07 · 2 obs
● 2026-05-07 03:03:06
●NSns2.value-domain.com2015-07-24 → 2026-05-07 · 2 obs
● 2026-05-07 03:03:06
●NSns3.value-domain.com2026-03-20 → 2026-05-07 · 3 obs
● 2026-03-20 08:17:36
● 2026-05-07 03:03:06
○MXutils.jp2015-07-24 → 2017-03-24 · 4 obs
● 2017-03-24 01:18:12
○ 2020-01-06 02:04:46
○ 2026-05-07 03:03:06
●MXutils.sakura.ne.jp2020-01-06 → 2026-05-07 · 3 obs
● 2020-01-06 02:04:46
● 2026-05-07 03:03:06
●A49.212.136.1142020-01-06 → 2026-05-07 · 3 obs
● 2020-01-06 02:04:46
● 2026-05-07 03:03:06
○A49.212.91.1162015-07-24 → 2017-03-24 · 4 obs
● 2017-03-24 01:18:12
○ 2020-01-06 02:04:46
○ 2026-05-07 03:03:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| utils.jp | ns2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com | - |
✅ Authoritative Response
Server:172.64.52.161
NS records: ns2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for utils.jp (unsigned zone)
⏱️ Timing
Total: 1021ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.136.114 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | utils.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 a:utils.sakura.ne.jp include:aspm |
| SOA | 1 | ns1.value-domain.com hostmaster.utils.jp |
Analysis
IP Addresses
utils.jp resolves to one IP number: 49.212.136.114.
Other host names, for instance www8100uf.sakura.ne.jp, share IP numbers with utils.jp.
Name Servers
utils.jp is delegated to three name servers ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.
utils.jp at least partially shares name servers with other domains, for instance momltd.com, zonosanchi.com, lele-s.com, kusano.jp and taiyounoki.com.
These name servers are commonly used with ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.
Host names with two IP numbers: ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161; ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115; ns3.value-domain.com points to 172.64.52.38 and 172.64.52.161. Host names that point to 172.64.52.38 are ns1.value-domain.com and ns3.value-domain.com. Host names that point to 172.64.52.161 are ns1.value-domain.com and ns3.value-domain.com.
Mail Servers
utils.jp is handled by a single mail server, utils.sakura.ne.jp.
utils.jp shares the same mail server setup as other domains, for instance utils.sakura.ne.jp.
utils.sakura.ne.jp resolves to IP 49.212.235.226.