istoffice.com - robtex.com
istoffice.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.23.53.106🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | pdns1.supremebox.com ⭐ | ||||||
| A | 198.23.53.104🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | pdns2.supremebox.com | ||||||
| A | 162.210.96.17🇺🇸 AS14555162.210.96.0/21 LiquidNet US LLC | ||||||
| MX | mail.supremecluster.com ⭐ | ||||||
| A | 198.23.53.39🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | mx1.supremebox.com | ||||||
| A | 198.23.53.42🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | mx2.supremebox.com | ||||||
| A | 198.23.53.113🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | mx1.supremebox.com | ||||||
| A | 198.23.53.116🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | mx2.supremebox.com | ||||||
| SOA | pdns1.supremebox.comroot@supremebox.com 2026-03-23 #17 | ||||||
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=1771291435 | ||||||
Subdomains
smtp.istoffice.com |
Same first word
istoffice.com |
Similar names
officesit.com |
officeist.com |
itsoffice.cz |
itoffices.com |
stioffice.com |
tisoffice.com |
icioffset.com |
officesit.top |
itsoffice.com |
itsoffice.de |
itsoffice.com.my |
sitoffice.es |
DNS History
10 records (4 active, 6 former)
○NSns8.digiweb.ie2015-07-05 → 2017-08-29 · 4 obs
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
○NSns9.digiweb.ie2015-07-05 → 2017-08-29 · 4 obs
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
●NSpdns1.supremebox.com2026-02-23 → 2026-03-23 · 3 obs
● 2026-02-23 00:03:48
● 2026-03-23 17:44:24
●NSpdns2.supremebox.com2026-02-23 → 2026-03-23 · 3 obs
● 2026-02-23 00:03:48
● 2026-03-23 17:44:24
○MXistoffice-com.mail.protection.outlook.com2015-07-05 → 2017-08-29 · 4 obs
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
●MXmail.supremecluster.com2026-02-23 → 2026-03-23 · 3 obs
● 2026-02-23 00:03:48
● 2026-03-23 17:44:24
○MXmail1.emailantidote.com2016-02-01 → 2017-08-29 · 5 obs
● 2016-02-01 04:32:08
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
○MXmail2.emailantidote.com2016-02-01 → 2017-08-29 · 5 obs
● 2016-02-01 04:32:08
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
●A198.23.53.1062026-02-23 → 2026-03-23 · 3 obs
● 2026-02-23 00:03:48
● 2026-03-23 17:44:24
○A212.17.56.1382015-07-05 → 2017-08-29 · 4 obs
● 2017-08-29 07:24:30
○ 2026-02-23 00:03:48
○ 2026-03-23 17:44:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| istoffice.com | pdns1.supremebox.com, pdns2.supremebox.com | 2 records |
✅ Authoritative Response
Server:162.210.96.17
NS records: pdns1.supremebox.com, pdns2.supremebox.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istoffice.com (unsigned zone)
⏱️ Timing
Total: 191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.23.53.106 |
| NS | 2 | pdns2.supremebox.com, pdns1.supremebox.com |
| MX | 1 | mail.supremecluster.com (pri: 10) |
| SOA | 1 | pdns1.supremebox.com root.supremebox.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns1.supremebox.com, pdns2.supremebox.com)
Analysis
Hierarchy
smtp.istoffice.com has istoffice.com as its parent.
IP Addresses
istoffice.com maps to IP address 198.23.53.106.
Other host names, for instance triware.net.cn, escuelaenlinea.net, matildanovak.com, www.sitewarehouse.org and immypics.net share IP numbers with istoffice.com.
Name Servers
Two name servers pdns1.supremebox.com and pdns2.supremebox.com are delegated to istoffice.com.
istoffice.com uses the same name server configuration as other domains, such as tphp.ca, mail.jameshorner.co.uk, ns2.tnsi.com.cn, ftp.yeung.com.cn and ashflat-ar.com.
istoffice.com at least partially shares name servers with other domains such as answeringservice-orlando.com, osteoartrosis.net, worldwineweb.org, ridemywaves.net and competitive-insight.com.
These name servers are often used together with pdns1.ntchosting.com, pdns2.ntchosting.com, pdns1.lonex.com, pdns2.lonex.com, pdns1.exclusivehosting.net, pdns2.exclusivehosting.net, pdns1.speedymice.net, pdns2.speedymice.net, pdns1.technocorp.hosting and pdns2.technocorp.hosting.
Host names with a single IP address:
pdns1.supremebox.com points to 198.23.53.104
pdns2.supremebox.com points to 162.210.96.17
Mail Servers
istoffice.com is handled by a single mail server, mail.supremecluster.com.
istoffice.com shares the same mail server setup as other domains, including lifecoach-taliesin.com, midwayantiquesshows.com, sillyselma.com, cooperativecommunication.com and loloscottage.com.
istoffice.com shares mail servers with other domains at least in part, for instance ocengraving.net, circlesgroups.com, d9webfactory.com, stcharleswebdesign.com and ontariofestivalsvisited.com.
mail.supremecluster.com resolves to four IPs: 198.23.53.39, 198.23.53.42, 198.23.53.113 and 198.23.53.116.