dr-cos.info - robtex.com
dr-cos.info
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1773555327 | ||||||
MX for
dr-cos.info |
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
●NSns2.xserver.jp2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
●NSns3.xserver.jp2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
●NSns4.xserver.jp2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
●NSns5.xserver.jp2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
●MXdr-cos.info2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 16:04:50
○A157.112.189.152017-01-05 → 2017-01-05 · 3 obs
○ 2018-01-13 06:09:04
○ 2026-03-22 16:04:50
●A183.90.242.382018-01-13 → 2026-03-22 · 3 obs
● 2018-01-13 06:09:04
● 2026-03-22 16:04:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| dr-cos.info | ns5.xserver.jp, ns2.xserver.jp, ns1.xserver.jp, ns3.xserver.jp... | - |
✅ Authoritative Response
Server: 202.226.36.246
NS records: ns5.xserver.jp, ns2.xserver.jp, ns1.xserver.jp, ns3.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dr-cos.info (unsigned zone)
⏱️ Timing
Total: 1289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.242.38 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | dr-cos.info (pri: 0) |
| TXT | 1 | v=spf1 +a:sv2137.xserver.jp +a:dr-cos.in |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
dr-cos.info serves as a mail server for dr-cos.info.
IP Addresses
dr-cos.info points to a single IP: 183.90.242.38.
Other host names, for instance www.yui-marl.jp, www.ezbbq.com, www.run-t.jp, bassyan.com and kouiki-anan.jp share IP numbers with dr-cos.info.
Name Servers
dr-cos.info is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
dr-cos.info partially shares name servers with other domains; examples include solwill.com, powerstorage.site, syumien.com, cgskdgc.com and animallabo.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
dr-cos.info is handled by a single mail server, dr-cos.info.
dr-cos.info points to a single IP: 183.90.242.38.