smi21.com - robtex.com
smi21.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=1774427447 | ||||||
NS for
smi21.com |
Same first word
Similar names
21ism.com |
sim21.net |
ism12.com |
sim21.com |
12ism.com |
ims21.de |
12sim.com |
21mis.com |
mis21.de |
1sim2.com |
ims21.net |
mis12.de |
ism21.net |
msi21.jp |
ims21.tv |
is12m.com |
msi21.com |
12sim.de |
ism21.com |
DNS History
11 records (7 active, 4 former)
●NSns1.cafe24.co.kr2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
●NSns1.cafe24.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
○NSns1.doregi.com2015-07-01 → 2017-10-13 · 3 obs
● 2017-10-13 05:48:28
○ 2026-03-25 08:40:00
●NSns2.cafe24.co.kr2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
●NSns2.cafe24.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
○NSns2.doregi.com2015-07-01 → 2017-10-13 · 3 obs
● 2017-10-13 05:48:28
○ 2026-03-25 08:40:00
○NSns3.doregi.com2015-07-01 → 2017-10-13 · 3 obs
● 2017-10-13 05:48:28
○ 2026-03-25 08:40:00
●NSsmi21.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
●MXsmi21-com.mail.protection.outlook.com2026-03-25 → 2026-03-25 · 1 obs
●A183.111.138.1642026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:40:00
○A58.76.184.42015-07-01 → 2017-10-13 · 3 obs
● 2017-10-13 05:48:28
○ 2026-03-25 08:40:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| smi21.com | ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr | 9 records |
✅ Authoritative Response
Server:1.226.85.4
NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smi21.com (unsigned zone)
⏱️ Timing
Total: 1398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.138.164 |
| NS | 4 | ns1.cafe24.com, ns2.cafe24.com... |
| MX | 1 | smi21-com.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | smi21.com postmaster.smi21.com |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)
Analysis
Name Server Role
smi21.com serves as a name server for smi21.com.
ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are commonly used as name servers together with smi21.com.
IP Addresses
smi21.com points to IP number: 183.111.138.164.
Other host names such as optickorea.com, laserscanning.co.kr, shinhwatex.com, daemoon.co.kr and seongwoo.co.kr share IPs with smi21.com.
Name Servers
smi21.com is delegated to five name servers: smi21.com, ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.
smi21.com at least partially shares name servers with other domains, for instance iceone.co.kr, s2pet.net, narapay.com, badboytm.com and dybearing.co.kr.
these name servers are often used with the name servers ns.cafe24.com, ns0.cafe24.com, dns1.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.com, dns2.cafe24.co.kr, ns1.cafe24dns.co.kr and ns3.cafe24dns.co.kr.
Host names with five IP numbers: ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242 and 175.125.93.134 and 175.125.93.135.
Host names with four IP numbers: ns2.cafe24.com points to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4; ns1.cafe24.co.kr points to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137; ns2.cafe24.co.kr points to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.
Host names with one IP number: smi21.com points to 183.111.138.164.
Mail Servers
smi21.com is handled by a single mail server, smi21-com.mail.protection.outlook.com.
Host name smi21-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc35::, 2a01:111:f403:cc35::1, 2a01:111:f403:cc35::2, 2a01:111:f403:cc37::, 52.101.153.0, 52.101.153.1, 52.101.153.2 and 52.101.155.0.