jstzfb.com - robtex.com
jstzfb.com
| CNAME | exp.gs-cdn.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.65.190.172🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1776621732 | ||||||
Same first word
jstzfb.com |
Similar names
DNS History
18 records (3 active, 15 former)
○NSaspen.ns.cloudflare.com2026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
○NSdns.bizcn.com2017-02-05 → 2017-02-05 · 4 obs
○ 2016-06-27 19:49:52
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
●NSexpire1.gname-dns.com2026-03-25 → 2026-04-19 · 3 obs
○ 2026-02-25 14:37:52
● 2026-03-25 08:51:48
● 2026-04-19 18:23:46
● 2026-03-25 08:51:48
● 2026-04-19 18:23:46
●NSexpire2.gname-dns.com2026-03-25 → 2026-04-19 · 3 obs
○ 2026-02-25 14:37:52
● 2026-03-25 08:51:48
● 2026-04-19 18:23:46
● 2026-03-25 08:51:48
● 2026-04-19 18:23:46
○NSjuming.dnsdun.com2018-07-09 → 2018-07-09 · 4 obs
○ 2017-02-05 17:06:38
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
○NSjuming.dnsdun.net2018-07-09 → 2018-07-09 · 4 obs
○ 2017-02-05 17:06:38
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
○NSnash.ns.cloudflare.com2026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
○NSns1.dns.com.cn2017-02-05 → 2017-02-05 · 4 obs
○ 2016-06-27 19:49:52
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
○NSns13.dns.com.cn2015-07-04 → 2016-06-27 · 4 obs
● 2015-07-04 10:14:34
● 2016-06-27 19:49:52
○ 2017-02-05 17:06:38
○ 2026-04-19 18:23:46
● 2016-06-27 19:49:52
○ 2017-02-05 17:06:38
○ 2026-04-19 18:23:46
○NSns14.dns.com.cn2015-07-04 → 2016-06-27 · 4 obs
● 2015-07-04 10:14:34
● 2016-06-27 19:49:52
○ 2017-02-05 17:06:38
○ 2026-04-19 18:23:46
● 2016-06-27 19:49:52
○ 2017-02-05 17:06:38
○ 2026-04-19 18:23:46
○NSns2.dns.com.cn2015-07-04 → 2017-02-05 · 4 obs
● 2015-07-04 10:14:34
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
○A103.20.221.732018-07-09 → 2018-07-09 · 4 obs
○ 2017-02-05 17:06:38
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
● 2018-07-09 04:37:40
○ 2026-02-16 13:21:52
○ 2026-04-19 18:23:46
○A104.21.93.72026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
○A121.14.65.2132015-07-04 → 2017-02-05 · 4 obs
● 2015-07-04 10:14:34
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
● 2017-02-05 17:06:38
○ 2018-07-09 04:37:40
○ 2026-04-19 18:23:46
○A172.67.201.2192026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
○A2606:4700:3032::ac43:c9db2026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
○A2606:4700:3037::6815:5d072026-02-16 → 2026-02-25 · 5 obs
○ 2018-07-09 04:37:40
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
● 2026-02-16 13:21:52
● 2026-02-25 14:37:52
○ 2026-03-25 08:51:48
○ 2026-04-19 18:23:46
●CNAMEexp.gs-cdn.com2026-03-25 → 2026-04-19 · 2 obs
● 2026-03-25 08:51:48
● 2026-04-19 18:23:46
● 2026-04-19 18:23:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| jstzfb.com | expire1.gname-dns.com, expire2.gname-dns.com | 2 records |
✅ Authoritative Response
Server:172.64.53.233
NS records: expire1.gname-dns.com, expire2.gname-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jstzfb.com (unsigned zone)
⏱️ Timing
Total: 549ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | expire1.gname-dns.com, expire2.gname-dns.com |
| CNAME | 1 | exp.gs-cdn.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)
Analysis
IP Addresses
jstzfb.com points to IP number 172.65.190.172.
Other host names, for example exp.gs-cdn.com and 0syn.com, share IPs with jstzfb.com.