techknow.com - dns.ninja
techknow.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dreamhost.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dreamhost.com | ||||||
| NS | ns2.dreamhost.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dreamhost.com | ||||||
| NS | ns3.dreamhost.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dreamhost.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=1794760113 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
8 records (3 active, 5 former)
●NSns1.dreamhost.com2015-05-26 → 2026-11-15 · 2 obs
● 2015-05-26 11:06:40
● 2026-11-15 17:14:00
● 2026-11-15 17:14:00
●NSns2.dreamhost.com2015-05-26 → 2026-11-15 · 2 obs
● 2015-05-26 11:06:40
● 2026-11-15 17:14:00
● 2026-11-15 17:14:00
●NSns3.dreamhost.com2015-05-26 → 2026-11-15 · 2 obs
● 2015-05-26 11:06:40
● 2026-11-15 17:14:00
● 2026-11-15 17:14:00
○MXmx1.dreamhost.com2018-09-06 → 2018-09-06 · 4 obs
○ 2016-11-08 15:01:30
● 2018-09-06 02:07:58
○ 2026-11-15 17:13:56
○ 2026-11-15 17:14:00
● 2018-09-06 02:07:58
○ 2026-11-15 17:13:56
○ 2026-11-15 17:14:00
○MXmx1.sub4.homie.mail.dreamhost.com2015-05-26 → 2016-11-08 · 4 obs
● 2015-05-26 11:06:40
● 2016-11-08 15:01:30
○ 2018-09-06 02:07:58
○ 2026-11-15 17:14:00
● 2016-11-08 15:01:30
○ 2018-09-06 02:07:58
○ 2026-11-15 17:14:00
○MXmx2.dreamhost.com2018-09-06 → 2018-09-06 · 4 obs
○ 2016-11-08 15:01:30
● 2018-09-06 02:07:58
○ 2026-11-15 17:13:56
○ 2026-11-15 17:14:00
● 2018-09-06 02:07:58
○ 2026-11-15 17:13:56
○ 2026-11-15 17:14:00
○MXmx2.sub4.homie.mail.dreamhost.com2015-05-26 → 2016-11-08 · 4 obs
● 2015-05-26 11:06:40
● 2016-11-08 15:01:30
○ 2018-09-06 02:07:58
○ 2026-11-15 17:14:00
● 2016-11-08 15:01:30
○ 2018-09-06 02:07:58
○ 2026-11-15 17:14:00
○A64.90.51.2002015-05-26 → 2015-10-18 · 4 obs
● 2015-05-26 11:06:40
● 2015-10-18 06:33:46
○ 2015-12-25 03:39:14
○ 2026-11-15 17:14:00
● 2015-10-18 06:33:46
○ 2015-12-25 03:39:14
○ 2026-11-15 17:14:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| techknow.com | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com | 3 records |
✅ Authoritative Response
Server:162.159.26.81
NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techknow.com (unsigned zone)
⏱️ Timing
Total: 221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)
Analysis
Name Servers
techknow.com carries NS records delegating to ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.
techknow.com has at least partial name server overlap with other domains, such as kongmian.com, sf-mc.org, hitori-game.app and two others.
ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84 — each hostname maps to exactly one IP address.