kc21.com - robtex.com
kc21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=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=1785656152 | ||||||
Same first word
Similar names
c12k.com |
k12c.net |
ck12.net |
k21c.com |
21kc.cn |
ck21.site |
12ck.com |
21kc.com |
ck12.co |
c21k.com |
ck12.it |
kc12.cc |
kc12.com |
21kc.net |
ck12.cn |
ck21.com |
ck12.org |
DNS History
10 records (4 active, 6 former)
●NSns1.afternic.com2026-07-13 → 2026-08-02 · 3 obs
● 2026-07-13 20:58:46
● 2026-08-02 07:39:08
●NSns2.afternic.com2026-07-13 → 2026-08-02 · 3 obs
● 2026-07-13 20:58:46
● 2026-08-02 07:39:08
○NSns23.1and1.co.uk2007-10-30 → 2016-10-29 · 4 obs
● 2016-10-29 18:39:44
○ 2026-07-13 20:58:46
○ 2026-08-02 07:39:08
○NSns24.1and1.co.uk2007-10-30 → 2016-10-29 · 4 obs
● 2016-10-29 18:39:44
○ 2026-07-13 20:58:46
○ 2026-08-02 07:39:08
○MXmx00.schlund.de2007-10-30 → 2016-10-29 · 4 obs
● 2016-10-29 18:39:44
○ 2026-07-13 20:58:46
○ 2026-08-02 07:39:08
○MXmx01.schlund.de2007-10-30 → 2016-10-29 · 4 obs
● 2016-10-29 18:39:44
○ 2026-07-13 20:58:46
○ 2026-08-02 07:39:08
●A13.248.169.482026-07-13 → 2026-08-02 · 3 obs
● 2026-07-13 20:58:46
● 2026-08-02 07:39:08
○A217.160.223.462016-06-01 → 2016-10-29 · 5 obs
● 2016-06-01 20:56:40
● 2016-10-29 18:39:44
○ 2026-07-13 20:58:46
○ 2026-08-02 07:39:08
●A76.223.54.1462026-07-13 → 2026-08-02 · 3 obs
● 2026-07-13 20:58:46
● 2026-08-02 07:39:08
○A82.165.123.582007-10-30 → 2016-03-30 · 4 obs
● 2016-03-30 02:36:16
○ 2016-06-01 20:56:40
○ 2026-08-02 07:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| kc21.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kc21.com (unsigned zone)
⏱️ Timing
Total: 162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
kc21.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146
Two other host names, along with doingrpc.xyz, drr.cc and catasa.com, also share IP numbers with kc21.com.
Name Servers
Two name servers handle the delegation for kc21.com: ns1.afternic.com and ns2.afternic.com.
kc21.com shares its NS records with other domains, for example ybytucatu.com, www.13shop.com, ns1.satryani.com and two others.
kc21.com partially shares its NS delegation with several other domains, including vallente.com, fishspear.com, 2gk.com and two others.
These name servers often co-occur with the name servers verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn.
ns1.afternic.com and ns2.afternic.com both carry two IP addresses. The A records for ns1.afternic.com are 97.74.98.69 and 2603:5:2126::45; the A records for ns2.afternic.com are 173.201.66.69 and 2603:5:2226::45.