jackfung.com - robtex.com
jackfung.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=1771291435 | ||||||
Same first word
jackfung.com |
Similar names
DNS History
13 records (7 active, 6 former)
●NSns1.systemdns.com2020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
○NSns11.domaincontrol.com2015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
○NSns12.domaincontrol.com2015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
●NSns2.systemdns.com2020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
●NSns3.systemdns.com2020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
○NSpark11.secureserver.net2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
○NSpark12.secureserver.net2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
●MXbizmx5.j2now.net2020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
●MXmailvz.j2now.net2020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
○MXmailzx.j2now.net2015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
●A149.28.134.2082020-01-01 → 2026-03-23 · 3 obs
● 2020-01-01 23:28:48
● 2026-03-23 15:16:42
○A59.188.12.1372015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 16:39:46
○ 2020-01-01 23:28:48
○ 2026-03-23 15:16:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jackfung.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server:64.98.148.16
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jackfung.com (unsigned zone)
⏱️ Timing
Total: 276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.28.134.208 |
| NS | 3 | ns2.systemdns.com, ns1.systemdns.com... |
| MX | 3 | bizmx5.j2now.net (pri: 20), bizmx3.j2now.net (pri: 30)... |
| TXT | 2 | google-site-verification=WkXVuwk-2CYaYLt, v=spf1 ip4:149.28.134.208 ip4:45.77.253. |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
IP Addresses
jackfung.com points to a single IP: 149.28.134.208.
Other host names, for instance www.inada.com.hk, inada.com.hk, dragonfine.com, fisherpaykel.com.hk and bizmx5.j2now.net share IP numbers with jackfung.com.
Name Servers
jackfung.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
jackfung.com at least partially shares its name servers with other domains, for instance exclusivelifecoaching.com, sbarjatiya.com, aohelp.me, miaboas.com and directshotdelivery.com.
Host names with two IP numbers:
ns1.systemdns.com points to: 2604:4000:0:d:216:40:47:90 and 216.40.47.90.
ns2.systemdns.com points to: 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.
ns3.systemdns.com points to: 2604:4000:0:d:64:99:96:36 and 64.99.96.36.
Mail Servers
jackfung.com is handled by three mail servers: bizmx3.j2now.net, bizmx5.j2now.net and mailvz.j2now.net.
jackfung.com shares some mail servers with other domains, including inada.com.hk, dragonfine.com, fisherpaykel.com.hk, j2now.hk and j2now.net.
Host names with one IP number:
bizmx3.j2now.net points to: 45.77.253.215.
bizmx5.j2now.net points to: 149.28.134.208.
mailvz.j2now.net points to: 45.77.168.41.