docomo2.com - robtex.com
docomo2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.25.46🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b45.coreserver.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 | docomo2.com ⭐ | ||||||
| A | 202.172.25.46🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b45.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.25.46 include:mxr.valueserver.jp ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@docomo2.com 2026-03-15 #19 | ||||||
com
| 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=1776959351 | ||||||
MX for
docomo2.com |
Same first word
docomo2.com |
DNS History
7 records (5 active, 2 former)
●NSns1.value-domain.com2008-03-09 → 2026-04-23 · 2 obs
● 2026-04-23 16:15:02
●NSns2.value-domain.com2008-03-09 → 2026-04-23 · 2 obs
● 2026-04-23 16:15:02
●NSns3.value-domain.com2008-03-09 → 2026-04-23 · 5 obs
○ 2015-07-22 06:54:30
○ 2017-10-05 13:33:30
● 2026-03-17 13:36:02
● 2026-04-23 16:15:02
●MXdocomo2.com2008-03-09 → 2026-04-23 · 2 obs
● 2026-04-23 16:15:02
●A202.172.25.462026-03-17 → 2026-04-23 · 3 obs
● 2026-03-17 13:36:02
● 2026-04-23 16:15:02
○A202.172.28.1232015-07-22 → 2017-10-05 · 5 obs
● 2015-07-22 06:54:30
● 2017-10-05 13:33:30
○ 2026-03-17 13:36:02
○ 2026-04-23 16:15:02
○A222.227.75.1122008-03-09 → 2008-03-09 · 3 obs
○ 2015-07-22 06:54:30
○ 2026-04-23 16:15:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| docomo2.com | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com | 3 records |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for docomo2.com (unsigned zone)
⏱️ Timing
Total: 867ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.25.46 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | docomo2.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.172.25.46 include:mxr.val |
| SOA | 1 | ns1.value-domain.com hostmaster.docomo2. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com)
Analysis
Mail Server Role
For docomo2.com, the mail server is docomo2.com.
IP Addresses
docomo2.com resolves to one IP number: 202.172.25.46.
other host names including expnavi.net, binfo.jp, mail.maruanki.com, g-mmc.com and kikunosuke.com share IP numbers with docomo2.com.
Name Servers
docomo2.com is delegated to three name servers ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.
docomo2.com at least partially shares name servers with other domains, for instance 1000t.jp, gpu.jp, april42.net, poncotsu.com and collectors.jp.
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
docomo2.com is served by a single mail server, docomo2.com.
docomo2.com resolves to IP 202.172.25.46.