knacert.com - robtex.com
knacert.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
knacert.com |
Similar names
DNS History
13 records (4 active, 9 former)
○NSns-bak.matbao.com2016-12-21 → 2016-12-21 · 3 obs
○ 2017-10-09 15:37:10
○ 2026-03-22 17:02:44
○MXalt1.aspmx.l.google.com2017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
○MXalt2.aspmx.l.google.com2017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
○MXalt3.aspmx.l.google.com2017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
○MXalt4.aspmx.l.google.com2017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
○MXaspmx.l.google.com2017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
●MXknacert-com.mail.protection.outlook.com2026-03-03 → 2026-03-22 · 3 obs
● 2026-03-03 05:11:52
● 2026-03-22 17:02:44
○MXmail.knacert.com2016-12-21 → 2016-12-21 · 3 obs
○ 2017-10-09 15:37:10
○ 2026-03-22 17:02:44
●A103.155.161.1402026-03-03 → 2026-03-22 · 3 obs
● 2026-03-03 05:11:52
● 2026-03-22 17:02:44
○A112.78.2.1542017-10-09 → 2017-10-09 · 4 obs
● 2017-10-09 15:37:10
○ 2026-03-03 05:11:52
○ 2026-03-22 17:02:44
○A112.78.2.902016-12-21 → 2016-12-21 · 3 obs
○ 2017-10-09 15:37:10
○ 2026-03-22 17:02:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knacert.com | ns1.matbao.vn, ns2.matbao.vn | - |
✅ Authoritative Response
Server: 35.198.203.127
NS records: ns1.matbao.vn, ns2.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knacert.com (unsigned zone)
⏱️ Timing
Total: 1607ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.155.161.140 |
| NS | 2 | ns2.matbao.vn, ns1.matbao.vn |
| MX | 1 | knacert-com.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
Analysis
IP Addresses
knacert.com points to a single IP: 103.155.161.140.
Other host names, for instance vietnamtourism-hcmc.com.vn, nrw.gardenpotsvic.com.au, ecocool.com.vn, enesco.com.vn and minhtrangcorp.com share IP numbers with knacert.com.
Name Servers
knacert.com's delegation is to two name servers ns1.matbao.vn and ns2.matbao.vn.
knacert.com shares the same name server configuration as other domains, such as cameramatviet.com.vn, euni.edu.vn, fujifilm.com.vn, lelumber.com and sofathugian.vn.
knacert.com at least partially shares its name servers with other domains, for instance truongphucsteel.com.vn, shgarden.com.vn, 3tomega.com, bonario.vn and cuonghai.com.
These name servers are commonly used together with ns-bak.matbao.com, ns1.matbao.com, ns2.matbao.com, ns3.matbao.vn, ns4.matbao.vn, ns1.digipowerdns.com, ns2.digipowerdns.com and ns3.digipowerdns.com.
Host names with two IP numbers: ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60; ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11
Mail Servers
knacert.com is served by a single mail server, knacert-com.mail.protection.outlook.com.
The host name knacert-com.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.