yangkaizhang.com - robtex.com
yangkaizhang.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.188.181.63🇺🇸 AS398823140.188.160.0/19 PEG TECH INC | ||||||
| NS | ns1.dnsowl.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a88🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.136Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.173Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.dnsowl.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a31🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.49Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.130Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.dnsowl.com | ||||||
| A | 2400:cb00:2049:1::a29f:1aea🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b62🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.234Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.98Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.dnsowl.comhostmaster@dnsowl.com serial=1778638311 | ||||||
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=1778636952 | ||||||
Same first word
yangkaizhang.com |
DNS History
9 records (4 active, 5 former)
○NSns1.51dns.com2015-06-02 → 2015-11-07 · 4 obs
● 2015-11-07 13:49:54
○ 2016-04-23 17:28:24
○ 2026-05-13 02:14:38
●NSns1.dnsowl.com2018-11-18 → 2026-05-13 · 5 obs
● 2018-11-18 01:50:16
○ 2026-03-07 08:24:38
● 2026-03-14 17:11:46
● 2026-05-13 02:14:38
○NSns2.51dns.com2015-06-02 → 2015-11-07 · 4 obs
● 2015-11-07 13:49:54
○ 2016-04-23 17:28:24
○ 2026-05-13 02:14:38
●NSns2.dnsowl.com2018-11-18 → 2026-05-13 · 5 obs
● 2018-11-18 01:50:16
○ 2026-03-07 08:24:38
● 2026-03-14 17:11:46
● 2026-05-13 02:14:38
●NSns3.dnsowl.com2018-11-18 → 2026-05-13 · 5 obs
● 2018-11-18 01:50:16
○ 2026-03-07 08:24:38
● 2026-03-14 17:11:46
● 2026-05-13 02:14:38
○A104.216.225.2062015-06-02 → 2015-11-07 · 4 obs
● 2015-11-07 13:49:54
○ 2016-01-27 19:43:12
○ 2026-05-13 02:14:38
●A140.188.181.632026-03-14 → 2026-05-13 · 3 obs
● 2026-03-14 17:11:46
● 2026-05-13 02:14:38
○A156.235.124.1352018-11-18 → 2018-11-18 · 4 obs
● 2018-11-18 01:50:16
○ 2026-03-07 08:24:38
○ 2026-05-13 02:14:38
○A64.62.171.1482016-01-27 → 2016-01-27 · 4 obs
● 2016-01-27 19:43:12
○ 2016-04-23 17:28:24
○ 2026-05-13 02:14:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| yangkaizhang.com | ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com | 12 records |
✅ Authoritative Response
Server:162.159.26.234
NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yangkaizhang.com (unsigned zone)
⏱️ Timing
Total: 373ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.188.181.63 |
| NS | 3 | ns1.dnsowl.com, ns2.dnsowl.com... |
| SOA | 1 | ns1.dnsowl.com hostmaster.dnsowl.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)
Analysis
IP Addresses
yangkaizhang.com points to a single IP address: 140.188.181.63.
Name Servers
yangkaizhang.com is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.
yangkaizhang.com at least partially shares name servers with other domains, for example lifepathdiscovery.com, standardselectric.com, vbiopd.cfd, daogrow.com and qxpx.net.
Hostnames with four IP numbers:
Hostname ns1.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a88, 2400:cb00:2049:1::a29f:1bad, 162.159.26.136 and 162.159.27.173.
Hostname ns2.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a31, 2400:cb00:2049:1::a29f:1b82, 162.159.26.49 and 162.159.27.130.
Hostname ns3.dnsowl.com points to: 2400:cb00:2049:1::a29f:1aea, 2400:cb00:2049:1::a29f:1b62, 162.159.26.234 and 162.159.27.98.