secondhandknowledge.com - robtex.com
secondhandknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.193.90.185🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 | ||||||
| PTR | 50-193-90-185-static.hfc.comcastbusiness.net | ||||||
| NS | ns1.lightningwave.net ⭐ | ||||||
| A | 68.70.169.131🇺🇸 AS2245868.70.169.0/24 | ||||||
| PTR | ns1.lightningwave.net | ||||||
| NS | ns2.lightningwave.net | ||||||
| A | 68.70.169.132🇺🇸 AS2245868.70.169.0/24 | ||||||
| PTR | ns2.lightningwave.net | ||||||
| MX | mail.mad-seumas.net ⭐ | ||||||
| A | 50.193.90.185🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 | ||||||
| PTR | 50-193-90-185-static.hfc.comcastbusiness.net | ||||||
| SOA | ns1.lightningwave.nethostmaster@secondhandknowledge.net 2025-08-20 #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=1771291435 | ||||||
Same first word
secondhandknowledge.com |
DNS History
4 records (4 active, 0 former)
●NSns1.lightningwave.net2015-06-08 → 2026-02-26 · 2 obs
● 2026-02-26 17:40:44
●NSns2.lightningwave.net2015-06-08 → 2026-02-26 · 2 obs
● 2026-02-26 17:40:44
●MXmail.mad-seumas.net2015-06-08 → 2026-02-26 · 2 obs
● 2026-02-26 17:40:44
●A50.193.90.1852015-06-08 → 2026-02-26 · 2 obs
● 2026-02-26 17:40:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| secondhandknowledge.com | ns1.lightningwave.net, ns2.lightningwave.net | - |
✅ Authoritative Response
Server: 68.70.169.131
NS records: ns1.lightningwave.net, ns2.lightningwave.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for secondhandknowledge.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.193.90.185 |
| NS | 2 | ns2.lightningwave.net, ns1.lightningwave.net |
| MX | 1 | mail.mad-seumas.net (pri: 10) |
| SOA | 1 | ns1.lightningwave.net hostmaster.secondh |
AI analysis
secondhandknowledge.com points to a single IP: 50.193.90.185.
Other host names, such as mail.mad-seumas.net, share IP numbers with secondhandknowledge.com.
Two name servers ns1.lightningwave.net and ns2.lightningwave.net handle delegation for secondhandknowledge.com.
secondhandknowledge.com uses the same name server setup as other domains, including lightningwave.net, lightningwave.com, devpts.com and mad-seumas.net.
Host names with one IP number: The host name ns1.lightningwave.net points to 68.70.169.131 and the host name ns2.lightningwave.net points to 68.70.169.132.
secondhandknowledge.com is handled by a single mail server, mail.mad-seumas.net.
mail.mad-seumas.net points to a single IP: 50.193.90.185.