dn-co.com - robtex.com

dn-co.com

DNSSEC⚠️ Not signed
A183.181.97.140🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.
PTRsv7139.xserver.jp
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXdn-co.com
A183.181.97.140🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.
PTRsv7139.xserver.jp
TXTv=spf1 +a:sv7139.xserver.jp +a:dn-co.com +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXdn-co.comA183.181.97.140
NSns1.xserver.jp2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
NSns2.xserver.jp2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
NSns3.xserver.jp2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
NSns4.xserver.jp2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
NSns5.xserver.jp2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
MXdn-co.com2026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14
A183.181.97.1402026-05-10 → 2026-07-15 · 2 obs
● 2026-05-10 22:59:08
● 2026-07-15 04:31:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...-
dn-co.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:183.90.224.230

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dn-co.com (unsigned zone)

⏱️ Timing

Total: 1304ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.97.140
NS5ns3.xserver.jp, ns5.xserver.jp...
MX1dn-co.com (pri: 0)
TXT1v=spf1 +a:sv7139.xserver.jp +a:dn-co.com
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

The MX record for dn-co.com points back to dn-co.com — it is its own mail server.

IP Addresses

dn-co.com directs to one IP number, which is 183.181.97.140.

Among the host names that share IP numbers with dn-co.com are nani1.com, www.maptravel.co.jp, www.heiseibasho.com and two others.

Name Servers

The authoritative name servers for dn-co.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

dn-co.com shares at least some of its name servers with other domains, including nkc.okinawa, wheelwright.jp, ysmachine.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

The MX record for dn-co.com points to a single mail server: dn-co.com.

dn-co.com directs to just one IP number, 183.181.97.140.