sumholding.com - robtex.com
sumholding.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.11.101.203🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-d201.pointdnshere.com | ||||||
| NS | dns1.scicube.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 103.11.101.203🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-d201.pointdnshere.com | ||||||
| NS | dns2.scicube.net ⚠️ Not in parent delegation | ||||||
| A | 103.11.101.204🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | 103-11-101-204.scicube.com | ||||||
| NS | ns5.scicube.com ⚠️ Not in zone NS records | ||||||
| A | 103.11.101.203🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-d201.pointdnshere.com | ||||||
| NS | ns6.scicube.com ⚠️ Not in zone NS records | ||||||
| A | 103.11.101.204🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | 103-11-101-204.scicube.com | ||||||
| MX | mail.sumholding.com ⭐ | ||||||
| A | 103.11.101.203🇭🇰 SCICUBE-AS103.11.101.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-d201.pointdnshere.com | ||||||
| TXT | v=spf1 a mx include:pointdnshere.com ~all | ||||||
| SOA | dns1.scicube.nethostmaster@sumholding.com 2026-02-06 #3 | ||||||
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=1774675127 | ||||||
Subdomains
mail.sumholding.com |
Similar names
DNS History
10 records (6 active, 4 former)
●NSdns1.scicube.net2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:26:24
●NSdns2.scicube.net2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:26:24
○NSns1.hostnetbv.nl2008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-10 00:06:34
○ 2026-03-28 05:26:24
○NSns2.hostnetbv.nl2008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-10 00:06:34
○ 2026-03-28 05:26:24
●NSns5.scicube.com2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:26:24
●NSns6.scicube.com2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:26:24
●MXmail.sumholding.com2008-03-14 → 2026-03-28 · 4 obs
○ 2015-10-10 00:06:34
○ 2018-09-24 23:28:52
● 2026-03-28 05:26:24
○MXmx1.hostnet.nl2008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-10 00:06:34
○ 2026-03-28 05:26:24
●A103.11.101.2032026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:26:24
○A91.184.0.1002008-03-14 → 2008-03-14 · 3 obs
○ 2015-10-10 00:06:34
○ 2026-03-28 05:26:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net... | - |
| sumholding.com | ns5.scicube.com, ns6.scicube.com | 2 records |
✅ Authoritative Response
Server:103.11.101.203
NS records: ns5.scicube.com, ns6.scicube.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sumholding.com (unsigned zone)
⏱️ Timing
Total: 593ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.11.101.203 |
| NS | 2 | dns2.scicube.net, dns1.scicube.net |
| MX | 1 | mail.sumholding.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:pointdnshere.com ~al |
| SOA | 1 | dns1.scicube.net hostmaster.sumholding.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.scicube.com, ns6.scicube.com)
Analysis
Hierarchy
mail.sumholding.com is a child of sumholding.com.
IP Addresses
sumholding.com resolves to one IP number: 103.11.101.203.
Other host names, for instance lk-sound.com, pianco.hk, mail.gpsglobalink.com, ultragraphics.com.hk and mail.lk-sound.com share IP numbers with sumholding.com.
Name Servers
sumholding.com delegates to four name servers: ns5.scicube.com, ns6.scicube.com, dns1.scicube.net and dns2.scicube.net.
sumholding.com at least partially shares name servers with other domains, including 151.101.11.103.in-addr.arpa, roots-hk.com, 127.103.11.103.in-addr.arpa, 138.103.11.103.in-addr.arpa and 170.103.11.103.in-addr.arpa.
These name servers are often used with ns5.mainhostserver.com and ns6.mainhostserver.com.
Hostnames with a single IP number:
ns5.scicube.com points to: 103.11.101.203.
ns6.scicube.com points to: 103.11.101.204.
dns1.scicube.net points to: 103.11.101.203.
dns2.scicube.net points to: 103.11.101.204.
Hostnames pointing to 103.11.101.203: ns5.scicube.com and dns1.scicube.net.
Hostnames pointing to 103.11.101.204: ns6.scicube.com and dns2.scicube.net.
Mail Servers
A single mail server handles sumholding.com, mail.sumholding.com.
Host name mail.sumholding.com resolves to a single IP: 103.11.101.203.