cleversa.com - dns.ninja
cleversa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.232.108.237🇰🇷 SKB-NET218.232.0.0/15 SK Broadband | ||||||
| NS | dns2.whois.co.kr ⭐ | ||||||
| A | 1.227.193.58🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13 | ||||||
| NS | dns4.whois.co.kr | ||||||
| A | 110.45.166.142🇰🇷 DACOM-NET110.45.128.0/17 contact center@kidc.net,noc@bora.net if necessary, | ||||||
| NS | dns6.whois.co.kr | ||||||
| A | 218.50.7.155🇰🇷 SKB-NET218.50.0.0/15 SK Broadband | ||||||
| MX | alf1.aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| MX | alf2.aspmx.whoisworks.com ⭐ | ||||||
| A | 152.70.238.229🇰🇷 ORACLE-OCI-31898152.70.232.0/21 | ||||||
| PTR | filter01.whoisworks.com | ||||||
| MX | aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| TXT | v=spf1 include:spf1.whoisworks.com ~all | ||||||
| SOA | dns2.whois.co.krmail@cleversa.com 2019-01-11 #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=1784022547 | ||||||
Subdomains
mail.cleversa.com |
Same first word
cleversa.com |
Similar names
DNS History
13 records (7 active, 6 former)
●NSdns2.whois.co.kr2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
●NSdns4.whois.co.kr2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
●NSdns6.whois.co.kr2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
○NSns1.whoisdomain.kr2015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
○NSns2.whoisdomain.kr2015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
○NSns3.whoisdomain.kr2015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
○NSns4.whoisdomain.kr2015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
●MXalf1.aspmx.whoisworks.com2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
●MXalf2.aspmx.whoisworks.com2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
●MXaspmx.whoisworks.com2026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
○MXmail.cleversa.com2015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
○A116.126.87.1032015-05-19 → 2017-11-30 · 4 obs
● 2017-11-30 01:43:02
○ 2026-06-30 08:28:06
○ 2026-07-14 09:49:58
●A218.232.108.2372026-06-30 → 2026-07-14 · 3 obs
● 2026-06-30 08:28:06
● 2026-07-14 09:49:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cleversa.com | dns2.whois.co.kr, dns4.whois.co.kr, dns6.whois.co.kr | - |
✅ Authoritative Response
Server:1.227.193.58
NS records: dns2.whois.co.kr, dns4.whois.co.kr, dns6.whois.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cleversa.com (unsigned zone)
⏱️ Timing
Total: 1038ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.232.108.237 |
| NS | 3 | dns2.whois.co.kr, dns4.whois.co.kr... |
| MX | 3 | alf1.aspmx.whoisworks.com (pri: 10), alf2.aspmx.whoisworks.com (pri: 10)... |
| TXT | 1 | v=spf1 include:spf1.whoisworks.com ~all |
| SOA | 1 | dns2.whois.co.kr mail.cleversa.com |
Analysis
Hierarchy
cleversa.com is a parent domain of mail.cleversa.com.
IP Addresses
cleversa.com directs to one IP number, which is 218.232.108.237.
Among the host names that share IP numbers with cleversa.com are www.sotech.co.kr, iium.net, elimtech.kr and two others.
Name Servers
cleversa.com carries NS records delegating to dns2.whois.co.kr, dns4.whois.co.kr and dns6.whois.co.kr.
cleversa.com shares at least some of its name servers with other domains, including laforethome.net, cnsfa.net, jlpat.com and two others.
These name servers are frequently paired with the name servers ns21.whois.co.kr and ns21.whoismall.com.
dns2.whois.co.kr points to 1.227.193.58; dns4.whois.co.kr points to 110.45.166.142; dns6.whois.co.kr points to 218.50.7.155 — each hostname maps to exactly one IP address.
Mail Servers
cleversa.com is handled by three mail servers: aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.
cleversa.com shares at least some of its mail servers with other domains — for example seikokorea.co.kr, t-um.co.kr, intercomm.kr and two more.
These mail servers frequently appear alongside the mail servers alf1-aspmx.whoisworks.com and alf2-aspmx.whoisworks.com.
Three hostnames, each with one IP address: aspmx.whoisworks.com → 193.123.252.198, alf1.aspmx.whoisworks.com → 193.123.252.198 and alf2.aspmx.whoisworks.com → 152.70.238.229.
aspmx.whoisworks.com along with alf1.aspmx.whoisworks.com each resolve to 193.123.252.198 IP addresses.