jfw4.com - robtex.com
jfw4.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:330🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:823e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.3.48Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.130.62🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coco.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c068🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2068🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 108.162.192.104🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 172.64.32.104🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| A | 173.245.58.104🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coco.ns.cloudflare.com | ||||||
| NS | vin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 108.162.193.245🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 172.64.33.245🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 173.245.59.245🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.3.48, 172.67.130.62 | ||||||
| IPv6 | 2606:4700:3030::6815:330, 2606:4700:3037::ac43:823e | ||||||
| SOA | coco.ns.cloudflare.comdns@cloudflare.com serial=2397969663 | ||||||
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=1774425722 | ||||||
Subdomains
mailserver.jfw4.com |
Same first word
jfw4.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NScoco.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
●NSvin.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
●A104.21.3.482026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
●A172.67.130.622026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
●A2606:4700:3030::6815:3302026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
●A2606:4700:3037::ac43:823e2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 08:23:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| jfw4.com | coco.ns.cloudflare.com, vin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.104
NS records: coco.ns.cloudflare.com, vin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jfw4.com (unsigned zone)
⏱️ Timing
Total: 90ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.130.62, 104.21.3.48 |
| AAAA | 2 | 2606:4700:3030::6815:330, 2606:4700:3037::ac43:823e |
| NS | 2 | coco.ns.cloudflare.com, vin.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coco.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (coco.ns.cloudflare.com, coco.ns.cloudflare.com, coco.ns.cloudflare.com...)
Analysis
Hierarchy
The parent of mailserver.jfw4.com is jfw4.com.
IP Addresses
jfw4.com maps to four IP numbers: 2606:4700:3030::6815:330, 2606:4700:3037::ac43:823e, 104.21.3.48 and 172.67.130.62.
Other host names such as mx-31.lon-01.inlimis.net, bikeschool.com, 2678de.com, nkkei.com and adsfgsda.wgrochy.pl share IPs with jfw4.com.
Name Servers
Two name servers coco.ns.cloudflare.com and vin.ns.cloudflare.com handle the delegation for jfw4.com.
jfw4.com shares the same name server setup as other domains, for example avomado.com, 881257.com, myrq.net, bzsacg.com and foybdbdc.net.
jfw4.com at least partially shares name servers with other domains, for example webarc.dev, we88play.com, xn--vk1bq78ak7ga055d.com, fiveoclocksomewhere.com.au and c87a3f037e2a.com.
these name servers are commonly used alongside ernest.ns.cloudflare.com name servers.
Host names with six IP numbers:
coco.ns.cloudflare.com points to 2606:4700:50::adf5:3a68, 2803:f800:50::6ca2:c068, 2a06:98c1:50::ac40:2068, 108.162.192.104, 172.64.32.104 and 173.245.58.104.
vin.ns.cloudflare.com points to 2606:4700:58::adf5:3bf5, 2803:f800:50::6ca2:c1f5, 2a06:98c1:50::ac40:21f5, 108.162.193.245, 172.64.33.245 and 173.245.59.245.