jcteach.com - robtex.com
jcteach.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.250.62.231🇺🇸 GNET-AS9294156.250.48.0/20 | ||||||
| NS | a8.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b8.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1766812040 | ||||||
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=1784940867 | ||||||
Same first word
jcteach.com |
Similar names
jactech.net |
cjtheca.com |
cjatech.net |
jachtec.com |
jactech.com.au |
cajtech.com.br |
cajtech.net |
jactech.dk |
cjatech.com |
jcatech.com |
jactech.com |
ajctech.com |
techjac.com |
acjtech.com |
DNS History
14 records (5 active, 9 former)
●NSa.share-dns.com2026-05-15 → 2026-07-25 · 3 obs
● 2026-05-15 00:12:06
● 2026-07-25 01:08:34
●NSa8.share-dns.com2026-05-15 → 2026-07-25 · 3 obs
● 2026-05-15 00:12:06
● 2026-07-25 01:08:34
●NSb.share-dns.net2026-05-15 → 2026-07-25 · 3 obs
● 2026-05-15 00:12:06
● 2026-07-25 01:08:34
●NSb8.share-dns.net2026-05-15 → 2026-07-25 · 3 obs
● 2026-05-15 00:12:06
● 2026-07-25 01:08:34
○NSdns23.hichina.com2015-07-19 → 2016-06-21 · 4 obs
● 2016-06-21 21:00:02
○ 2017-02-11 22:41:02
○ 2026-07-25 01:08:34
○NSdns24.hichina.com2015-07-19 → 2016-06-21 · 4 obs
● 2016-06-21 21:00:02
○ 2017-02-11 22:41:02
○ 2026-07-25 01:08:34
○NSns1.namebrightdns.com2018-09-13 → 2018-09-13 · 4 obs
● 2018-09-13 02:16:06
○ 2026-05-15 00:12:06
○ 2026-07-25 01:08:34
○NSns2.dnsdun.net2017-02-11 → 2017-02-11 · 4 obs
● 2017-02-11 22:41:02
○ 2018-09-13 02:16:06
○ 2026-07-25 01:08:34
○NSns2.namebrightdns.com2018-09-13 → 2018-09-13 · 4 obs
● 2018-09-13 02:16:06
○ 2026-05-15 00:12:06
○ 2026-07-25 01:08:34
○NSns6.dnsdun.com2017-02-11 → 2017-02-11 · 4 obs
● 2017-02-11 22:41:02
○ 2018-09-13 02:16:06
○ 2026-07-25 01:08:34
○A120.24.85.152015-11-19 → 2016-06-21 · 5 obs
● 2015-11-19 03:47:50
● 2016-06-21 21:00:02
○ 2017-02-11 22:41:02
○ 2026-07-25 01:08:34
○A121.14.31.1272015-07-19 → 2015-07-19 · 3 obs
○ 2015-11-19 03:47:50
○ 2026-07-25 01:08:34
●A156.250.62.2312026-05-15 → 2026-07-25 · 3 obs
● 2026-05-15 00:12:06
● 2026-07-25 01:08:34
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-09-13 → 2018-09-13 · 3 obs
○ 2026-05-15 00:12:06
○ 2026-07-25 01:08:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| jcteach.com | b8.share-dns.net, a8.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b8.share-dns.net, a8.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcteach.com (unsigned zone)
⏱️ Timing
Total: 219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.250.62.231 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a8.share-dns.com)
Analysis
IP Addresses
jcteach.com resolves to just one IP address, 156.250.62.231.
Further host names like 798997.com and www.798997.com overlap in IP numbers with jcteach.com.
Name Servers
The NS records for jcteach.com point to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.
There is at least partial name server overlap between jcteach.com and other domains — kai-yun-live.com, xieyinwang.com, tin114.com and two more among them.
These name servers regularly appear alongside a10.share-dns.com, b10.share-dns.net, a2.share-dns.com and 7 other name servers in NS record sets.
a8.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b8.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.
The host names a8.share-dns.com and a.share-dns.com both resolve to 172.64.53.25 IP addresses.
The host names b8.share-dns.net and b.share-dns.net both resolve to 172.64.52.239 IP addresses.