holconsystems.com - robtex.com
holconsystems.com
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 | ||||||
Same first word
holconsystems.com |
DNS History
8 records (5 active, 3 former)
●NSns1.one2calldns.co.uk2015-07-05 → 2026-03-23 · 2 obs
● 2026-03-23 23:44:24
●NSns2.one2calldns.co.uk2015-07-05 → 2026-03-23 · 2 obs
● 2026-03-23 23:44:24
●MXd223502.a.ess.uk.barracudanetworks.com2026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 13:27:36
● 2026-03-23 23:44:24
●MXd223502.b.ess.uk.barracudanetworks.com2026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 13:27:36
● 2026-03-23 23:44:24
○MXmx1.avgcloud.net2015-07-05 → 2020-02-18 · 4 obs
● 2020-02-18 17:10:54
○ 2026-02-21 13:27:36
○ 2026-03-23 23:44:24
○MXmx2.avgcloud.net2015-07-05 → 2020-02-18 · 4 obs
● 2020-02-18 17:10:54
○ 2026-02-21 13:27:36
○ 2026-03-23 23:44:24
○A185.24.13.782015-07-05 → 2020-02-18 · 4 obs
● 2020-02-18 17:10:54
○ 2026-02-21 13:27:36
○ 2026-03-23 23:44:24
●A185.99.167.1462026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 13:27:36
● 2026-03-23 23:44:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net... | - |
| holconsystems.com | ns1.one2calldns.co.uk, ns2.one2calldns.co.uk | - |
✅ Authoritative Response
Server:213.175.208.78
NS records: ns1.one2calldns.co.uk, ns2.one2calldns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for holconsystems.com (unsigned zone)
⏱️ Timing
Total: 710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.99.167.146 |
| NS | 2 | ns2.one2calldns.co.uk, ns1.one2calldns.co.uk |
| MX | 2 | d223502.b.ess.uk.barracudanetworks.com (, d223502.a.ess.uk.barracudanetworks.com ( |
| TXT | 5 | gd2f6gd2s3na69947pmpk16jma, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1.one2calldns.co.uk web.one2call.net |
Analysis
IP Addresses
holconsystems.com resolves to one IP number: 185.99.167.146.
Name Servers
holconsystems.com is delegated to two name servers ns1.one2calldns.co.uk and ns2.one2calldns.co.uk.
holconsystems.com shares the same name server setup as other domains, for instance webserver.one2calldns.co.uk, holconsystemsllc.com, vandykcountryhotel.co.uk, morevan.tv and 165.99.185.in-addr.arpa.
Host names with one IP number:
ns1.one2calldns.co.uk points to 213.175.208.78
ns2.one2calldns.co.uk points to 109.203.109.151
Mail Servers
Two mail servers handle holconsystems.com: d223502.a.ess.uk.barracudanetworks.com and d223502.b.ess.uk.barracudanetworks.com.
Host names with three IPs:
d223502.a.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.
d223502.b.ess.uk.barracudanetworks.com points to: 18.133.136.186, 18.133.136.187 and 18.133.136.188.
Hosts pointing to 18.133.136.186: d223502.a.ess.uk.barracudanetworks.com and d223502.b.ess.uk.barracudanetworks.com.
Hosts pointing to 18.133.136.187: d223502.a.ess.uk.barracudanetworks.com and d223502.b.ess.uk.barracudanetworks.com.
Hosts pointing to 18.133.136.188: d223502.a.ess.uk.barracudanetworks.com and d223502.b.ess.uk.barracudanetworks.com.