office-at.com - robtex.com

office-at.com

DNSSEC⚠️ Not signed
A183.181.81.91🇯🇵 XSERVER-AS183.181.80.0/22 XSERVER Inc.
PTRsv10410.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
MXoffice-at.com ⭐
A183.181.81.91🇯🇵 XSERVER-AS183.181.80.0/22 XSERVER Inc.
PTRsv10410.xserver.jp
TXTv=spf1 +a:sv10410.xserver.jp +a:office-at.com +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774616957
WOT: SAFE (61/100)

MX for

office-at.com

Subdomains

mail.office-at.com

Same first word

office-at.com
office-at.de

Similar names

at-office.jp
at-office.cz
at-office.de
at-office.co.jp

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jppba.linkclub.jpusr-ns1.linkclub.jpusr-ns2.linkclub.jpMXoffice-at.commail.office-at.comA183.181.81.91219.118.71.5219.118.71.54
●NSns1.xserver.jp2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
●NSns2.xserver.jp2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
●NSns3.xserver.jp2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
●NSns4.xserver.jp2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
●NSns5.xserver.jp2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
○NSpba.linkclub.jp2015-06-10 → 2017-06-01 · 4 obs
● 2015-06-10 01:50:44
● 2017-06-01 18:36:46
○ 2026-03-13 09:35:44
○ 2026-03-27 13:29:00
○NSusr-ns1.linkclub.jp2015-06-10 → 2017-06-01 · 4 obs
● 2015-06-10 01:50:44
● 2017-06-01 18:36:46
○ 2026-03-13 09:35:44
○ 2026-03-27 13:29:00
○NSusr-ns2.linkclub.jp2015-06-10 → 2017-06-01 · 4 obs
● 2015-06-10 01:50:44
● 2017-06-01 18:36:46
○ 2026-03-13 09:35:44
○ 2026-03-27 13:29:00
○MXmail.office-at.com2015-06-10 → 2017-06-01 · 4 obs
● 2015-06-10 01:50:44
● 2017-06-01 18:36:46
○ 2026-03-13 09:35:44
○ 2026-03-27 13:29:00
●MXoffice-at.com2026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
●A183.181.81.912026-03-13 → 2026-03-27 · 3 obs
○ 2017-06-01 18:36:46
● 2026-03-13 09:35:44
● 2026-03-27 13:29:00
○A219.118.71.52015-06-10 → 2016-02-24 · 4 obs
● 2015-06-10 01:50:44
● 2016-02-24 08:02:02
○ 2017-06-01 18:36:46
○ 2026-03-27 13:29:00
○A219.118.71.542017-06-01 → 2017-06-01 · 4 obs
○ 2016-02-24 08:02:02
● 2017-06-01 18:36:46
○ 2026-03-13 09:35:44
○ 2026-03-27 13:29:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
office-at.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 office-at.com (unsigned zone)

⏱️ Timing

Total: 461ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.81.91
NS5ns2.xserver.jp, ns4.xserver.jp...
MX1office-at.com (pri: 0)
TXT1v=spf1 +a:sv10410.xserver.jp +a:office-a
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

office-at.com is the parent of mail.office-at.com.

Mail Server Role

office-at.com serves as the mail server for office-at.com.

IP Addresses

office-at.com points to IP number 183.181.81.91.

For instance, other host names mx.study.co.jp, mail.ftp02.com, kogatomatofarm.com, nuppuku.com and mr-c.biz share IP numbers with office-at.com.

Name Servers

office-at.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

office-at.com shares name servers with other domains at least partially, for example studio-heart.com, cocorokara-sakana.com, my-sunsyscon.com, shikitu.net and mitatsu.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

office-at.com is handled by a single mail server, office-at.com.

office-at.com points to a single IP: 183.181.81.91.