glosstack.com - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

glosstack.com

DNSSEC⚠️ Not signed
A85.131.221.157🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv17196.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
MXglosstack.com
A85.131.221.157🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv17196.xserver.jp
TXTv=spf1 +a:sv17196.xserver.jp +a:glosstack.com +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXglosstack.comA85.131.221.157
NSns1.xserver.jp2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
NSns2.xserver.jp2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
NSns3.xserver.jp2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
NSns4.xserver.jp2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
NSns5.xserver.jp2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
MXglosstack.com2026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04
A85.131.221.1572026-09-03 → 2026-09-06 · 2 obs
● 2026-09-03 17:00:06
● 2026-09-06 09:08:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...-
glosstack.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.247

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 glosstack.com (unsigned zone)

⏱️ Timing

Total: 2129ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.221.157
NS5ns5.xserver.jp, ns2.xserver.jp...
MX1glosstack.com (pri: 0)
TXT1v=spf1 +a:sv17196.xserver.jp +a:glosstac
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

glosstack.com serves as a mail server for glosstack.com.

IP Addresses

glosstack.com has exactly one IP address — 85.131.221.157.

oosuga-legaloffice.jp, jumiremo.com, kishi-setsubi.jp plus two other host names have IP numbers in common with glosstack.com.

Name Servers

Five name servers handle delegation for glosstack.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

glosstack.com has at least partial name server overlap with other domains, such as tesshow.jp, tsurumi-family.com, yukamiseikotu.com and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

glosstack.com uses exactly one mail server, which is glosstack.com.

There is one IP number for glosstack.com: 85.131.221.157.