knownoffice.com - robtex.com
knownoffice.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2026-07-27 #0 | ||||||
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=1786478209 | ||||||
Same first word
knownoffice.com |
DNS History
15 records (4 active, 11 former)
○NSjay.ns.cloudflare.com2016-12-17 → 2017-09-24 · 4 obs
● 2017-09-24 21:17:32
○ 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
●NSns19.domaincontrol.com2026-07-25 → 2026-08-11 · 3 obs
● 2026-07-25 20:19:04
● 2026-08-11 20:07:42
●NSns20.domaincontrol.com2026-07-25 → 2026-08-11 · 3 obs
● 2026-07-25 20:19:04
● 2026-08-11 20:07:42
○NSsara.ns.cloudflare.com2016-12-17 → 2017-09-24 · 4 obs
● 2017-09-24 21:17:32
○ 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
○MXmx.zoho.com2016-12-17 → 2017-09-24 · 4 obs
● 2017-09-24 21:17:32
○ 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
○MXmx2.zoho.com2016-12-17 → 2017-09-24 · 4 obs
● 2017-09-24 21:17:32
○ 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
○A104.27.172.572016-12-17 → 2016-12-17 · 3 obs
○ 2017-09-24 21:17:32
○ 2026-08-11 20:07:42
○A104.27.173.572016-12-17 → 2016-12-17 · 3 obs
○ 2017-09-24 21:17:32
○ 2026-08-11 20:07:42
●A13.248.213.452026-08-11 → 2026-08-11 · 2 obs
● 2026-08-11 20:07:42
○A15.197.225.1282026-07-25 → 2026-07-25 · 3 obs
● 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
○A188.40.130.2512017-09-24 → 2017-09-24 · 4 obs
● 2017-09-24 21:17:32
○ 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
○A2400:cb00:2048:1::681b:ac392016-12-17 → 2016-12-17 · 3 obs
○ 2017-09-24 21:17:32
○ 2026-08-11 20:07:42
○A2400:cb00:2048:1::681b:ad392016-12-17 → 2016-12-17 · 3 obs
○ 2017-09-24 21:17:32
○ 2026-08-11 20:07:42
○A3.33.251.1682026-07-25 → 2026-07-25 · 3 obs
● 2026-07-25 20:19:04
○ 2026-08-11 20:07:42
●A76.223.67.1892026-08-11 → 2026-08-11 · 2 obs
● 2026-08-11 20:07:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| knownoffice.com | ns19.domaincontrol.com, ns20.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.77.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knownoffice.com (unsigned zone)
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)
Analysis
IP Addresses
knownoffice.com resolves to the IP addresses 13.248.213.45 and 76.223.67.189
Additional host names — coachmarshaporter.com, teaks.it, myproductcareqa.com and two others — share IP numbers with knownoffice.com.
Name Servers
DNS delegation for knownoffice.com points to two name servers: ns19.domaincontrol.com and ns20.domaincontrol.com.
knownoffice.com shares its name server setup with other domains, including rencopro.com, cityins.net, lingotesting.info and two others.
ns19.domaincontrol.com directs to 97.74.109.10 and 2603:5:21d0::a. ns20.domaincontrol.com directs to 173.201.77.10 and 2603:5:22d0::a. Each host name carries two IP addresses.