apt21.com - robtex.com
apt21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.15.102.70🇸🇬 PACIFICINTERNET-AS-AP103.15.102.0/24 PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk 06-02 South Tower SOLARIS Singapore | ||||||
| PTR | svr7.jusssolutions.com | ||||||
| NS | ns7.jusssolutions.com ⭐ | ||||||
| A | 103.15.102.70🇸🇬 PACIFICINTERNET-AS-AP103.15.102.0/24 PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk 06-02 South Tower SOLARIS Singapore | ||||||
| PTR | svr7.jusssolutions.com | ||||||
| NS | ns9.jusssolutions.com | ||||||
| A | 103.15.102.70🇸🇬 PACIFICINTERNET-AS-AP103.15.102.0/24 PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk 06-02 South Tower SOLARIS Singapore | ||||||
| PTR | svr7.jusssolutions.com | ||||||
| MX | svr7.jusssolutions.com ⭐ | ||||||
| A | 103.15.102.70🇸🇬 PACIFICINTERNET-AS-AP103.15.102.0/24 PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk 06-02 South Tower SOLARIS Singapore | ||||||
| PTR | svr7.jusssolutions.com | ||||||
| TXT | v=spf1 ip4:103.15.102.70 ip4:103.15.102.70 +a +mx include:relay.mailchannels.... | ||||||
| SOA | ns7.jusssolutions.comadmin@jussolve.com 2026-03-17 #1 | ||||||
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
mail.apt21.com |
Same first word
apt21.com |
Similar names
DNS History
10 records (4 active, 6 former)
○NSns3.jusssolutions.com2015-06-13 → 2016-05-09 · 4 obs
● 2016-05-09 14:42:20
○ 2017-03-20 17:22:28
○ 2026-03-22 19:29:56
○NSns5.jusssolutions.com2015-06-13 → 2016-05-09 · 4 obs
● 2016-05-09 14:42:20
○ 2017-03-20 17:22:28
○ 2026-03-22 19:29:56
●NSns7.jusssolutions.com2017-03-20 → 2026-03-22 · 3 obs
● 2017-03-20 17:22:28
● 2026-03-22 19:29:56
●NSns9.jusssolutions.com2017-03-20 → 2026-03-22 · 3 obs
● 2017-03-20 17:22:28
● 2026-03-22 19:29:56
○MXmxshield.jusssolutions.com2015-06-13 → 2017-03-20 · 4 obs
● 2017-03-20 17:22:28
○ 2020-02-04 01:50:56
○ 2026-03-22 19:29:56
●MXsvr7.jusssolutions.com2020-02-04 → 2026-03-22 · 3 obs
● 2020-02-04 01:50:56
● 2026-03-22 19:29:56
●A103.15.102.702026-03-04 → 2026-03-22 · 3 obs
● 2026-03-04 16:36:40
● 2026-03-22 19:29:56
○A121.200.241.992020-02-04 → 2020-02-04 · 4 obs
● 2020-02-04 01:50:56
○ 2026-03-04 16:36:40
○ 2026-03-22 19:29:56
○A182.23.155.2282015-06-13 → 2016-05-09 · 4 obs
● 2016-05-09 14:42:20
○ 2017-03-20 17:22:28
○ 2026-03-22 19:29:56
○A202.55.84.1992017-03-20 → 2017-03-20 · 4 obs
● 2017-03-20 17:22:28
○ 2020-02-04 01:50:56
○ 2026-03-22 19:29:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| apt21.com | ns7.jusssolutions.com, ns9.jusssolutions.com | 2 records |
✅ Authoritative Response
Server: 103.15.102.70
NS records: ns7.jusssolutions.com, ns9.jusssolutions.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for apt21.com (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.15.102.70 |
| NS | 2 | ns7.jusssolutions.com, ns9.jusssolutions.com |
| MX | 1 | svr7.jusssolutions.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:103.15.102.70 ip4:103.15.102. |
| SOA | 1 | ns7.jusssolutions.com admin.jussolve.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns7.jusssolutions.com, ns9.jusssolutions.com)
Analysis
Hierarchy
apt21.com is the parent of mail.apt21.com.
IP Addresses
apt21.com resolves to one IP number: 103.15.102.70.
other host names including ellog.com.sg, buildersmart.com.sg, ese.com.sg, mail.innogolf.com.sg and smsystem.com.sg share IP numbers with apt21.com.
Name Servers
apt21.com is delegated to two name servers ns7.jusssolutions.com and ns9.jusssolutions.com.
apt21.com shares the same name server setup as other domains, for instance ohmsingapore.com, lsdsingapore.com, charmssingapore.com, lsd-asia.com and bizsecure-apac.com.
Host names with a single IP:
ns7.jusssolutions.com points to 103.15.102.70.
ns9.jusssolutions.com points to 103.15.102.70.
Host names pointing to 103.15.102.70: ns7.jusssolutions.com and ns9.jusssolutions.com.
Mail Servers
apt21.com is handled by a single mail server, svr7.jusssolutions.com.
svr7.jusssolutions.com resolves to IP 103.15.102.70.