constructiveknowledge.com - robtex.com
constructiveknowledge.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=1791645064 | ||||||
Same first word
constructiveknowledge.org |
constructiveknowledge.com |
Previous names
Next names
DNS History
9 records (4 active, 5 former)
●NSns1.afternic.com2026-10-02 → 2026-10-10 · 3 obs
● 2026-10-02 13:52:54
● 2026-10-10 15:23:16
●NSns2.afternic.com2026-10-02 → 2026-10-10 · 3 obs
● 2026-10-02 13:52:54
● 2026-10-10 15:23:16
○NSsk.s5.cm.ns1.37.ztomy.com2015-07-03 → 2017-01-30 · 4 obs
● 2017-01-30 01:27:38
○ 2026-10-02 13:52:54
○ 2026-10-10 15:23:16
○NSsk.s5.cm.ns2.37.ztomy.com2015-07-03 → 2017-01-30 · 4 obs
● 2017-01-30 01:27:38
○ 2026-10-02 13:52:54
○ 2026-10-10 15:23:16
○MXmail.b-io.co2015-07-03 → 2015-07-03 · 3 obs
○ 2015-11-08 21:18:12
○ 2026-10-10 15:23:16
●A13.248.169.482026-10-02 → 2026-10-10 · 3 obs
● 2026-10-02 13:52:54
● 2026-10-10 15:23:16
○A208.91.197.542015-07-03 → 2017-01-30 · 4 obs
● 2017-01-30 01:27:38
○ 2026-10-02 13:52:54
○ 2026-10-10 15:23:16
●A76.223.54.1462026-10-02 → 2026-10-10 · 3 obs
● 2026-10-02 13:52:54
● 2026-10-10 15:23:16
○PTRsk.s5.cm.ns1.37.ztomy.com2017-01-30 → 2017-01-30 · 3 obs
○ 2026-10-02 13:52:54
○ 2026-10-10 15:23:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net... | - |
| constructiveknowledge.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for constructiveknowledge.com (unsigned zone)
⏱️ Timing
Total: 282ms | 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 | ns2.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
constructiveknowledge.com points to the IP addresses 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with constructiveknowledge.com are tepantor.com, www.calt.tv, hupal.xyz and two others.
Name Servers
constructiveknowledge.com uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.
constructiveknowledge.com has the same name server delegation as a number of other domains, such as ns.adelita.co.uk, las-vegas-deals.com, fortworthwebdesign.us and two more.
There is at least partial name server overlap between constructiveknowledge.com and other domains — controldetiempos.es, momcozy.biz, apps.world and two more among them.
The name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, verification-ma5paqvqbfktbubzbdsvzb.ns101.verify.hn and verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn are often found in combination with these name servers.
The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.