jfb.com - dns.ninja
jfb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.98.40.38🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | www.jfb.com ⭐ | ||||||
| A | 208.98.43.93🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| PTR | mta27.jensenstilbud.com | ||||||
| NS | ns1.4.cn ⚠️ Not in zone NS records | ||||||
| A | 107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route) | ||||||
| NS | ns2.4.cn ⚠️ Not in zone NS records | ||||||
| SOA | www.jfb.comjfb@com 2008-08-03 #0 | ||||||
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=1786534884 | ||||||
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
●NSns1.4.cn2026-02-28 → 2026-08-12 · 3 obs
● 2026-02-28 23:01:58
● 2026-08-12 11:50:28
●NSns2.4.cn2026-02-28 → 2026-08-12 · 3 obs
● 2026-02-28 23:01:58
● 2026-08-12 11:50:28
○NSns41.rookdns.com2015-07-25 → 2016-12-24 · 4 obs
● 2016-12-24 12:14:52
○ 2026-02-28 23:01:58
○ 2026-08-12 11:50:28
○NSns42.rookdns.com2015-07-25 → 2016-12-24 · 4 obs
● 2016-12-24 12:14:52
○ 2026-02-28 23:01:58
○ 2026-08-12 11:50:28
●NSwww.jfb.com2026-02-28 → 2026-08-12 · 5 obs
● 2026-02-28 23:01:58
○ 2026-08-12 05:36:00
● 2026-08-12 11:50:24
● 2026-08-12 11:50:28
○MXmail.mxproc.com2015-07-25 → 2016-04-17 · 4 obs
● 2016-04-17 10:17:16
○ 2016-05-28 05:46:28
○ 2026-08-12 11:50:28
○MXmail.replyingback.com2016-05-28 → 2016-08-23 · 5 obs
● 2016-05-28 05:46:28
● 2016-08-23 12:37:10
○ 2016-09-08 09:59:36
○ 2026-08-12 11:50:28
○A141.8.224.1832015-07-25 → 2016-12-24 · 4 obs
● 2016-12-24 12:14:52
○ 2026-02-28 23:01:58
○ 2026-08-12 11:50:28
○A208.98.40.332026-02-28 → 2026-02-28 · 4 obs
● 2026-02-28 23:01:58
○ 2026-03-09 10:48:02
○ 2026-08-12 11:50:28
○A208.98.40.352026-02-28 → 2026-08-12 · 2 obs
○ 2026-08-12 11:50:28
●A208.98.40.382026-08-12 → 2026-08-12 · 3 obs
● 2026-08-12 11:50:24
● 2026-08-12 11:50:28
○A208.98.40.782026-04-09 → 2026-04-09 · 4 obs
● 2026-04-09 10:05:10
○ 2026-04-25 05:45:42
○ 2026-08-12 11:50:28
○A208.98.43.742026-04-25 → 2026-04-25 · 4 obs
● 2026-04-25 05:45:42
○ 2026-08-05 04:35:22
○ 2026-08-12 11:50:28
○A208.98.43.772026-03-09 → 2026-03-09 · 4 obs
● 2026-03-09 10:48:02
○ 2026-04-09 10:05:10
○ 2026-08-12 11:50:28
○PTRns41.rookdns.com2016-12-24 → 2016-12-24 · 3 obs
○ 2026-02-28 23:01:58
○ 2026-08-12 11:50:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jfb.com | ns1.4.cn, ns2.4.cn | - |
✅ Authoritative Response
Server:208.98.43.66
NS records: ns1.4.cn, ns2.4.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jfb.com (unsigned zone)
⏱️ Timing
Total: 3259ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.98.40.38 |
| SOA | 1 | www.jfb.com jfb.com |
Analysis
IP Addresses
jfb.com has exactly one IP address — 208.98.40.38.
mail.dangkai.com, ntstrf.com, adobe-dns-hengzdkfp.qiye.gd.cn plus two other host names have IP numbers in common with jfb.com.
Name Servers
The authoritative name servers for jfb.com are ns1.4.cn, ns2.4.cn and www.jfb.com — three in total.
jfb.com shares at least some of its name servers with other domains, including penangchingay.org, 52fzw.cn, yumi100.cn and two others.
These name servers are frequently paired with the name servers www.penangchingay.org and www.52fzw.cn.
ns1.4.cn and www.jfb.com each resolve to one IP number: ns1.4.cn points to 107.167.27.66 and www.jfb.com points to 208.98.43.93.