`jfcb99.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:84b4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:508^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.8^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.180^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`opal.ns.cloudflare.com`
		A	2606:4700:50::a29f:2664^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c264^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`opal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2264^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`opal.ns.cloudflare.com`
		A	108.162.194.100^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	162.159.38.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	172.64.34.100^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.5.8, 172.67.132.180
		IPv6	2606:4700:3034::ac43:84b4, 2606:4700:3037::6815:508
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2396726381

`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.net`nstld@verisign-grs.com serial=1771291435

DNS History

12 records (6 active, 6 former)

●NSdarwin.ns.cloudflare.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

○NSdns31.hichina.com2015-05-29 → 2017-01-02 · 4 obs

● 2015-05-29 18:17:48
● 2017-01-02 23:53:40
○ 2018-05-23 22:36:24
○ 2026-03-14 07:04:44

○NSdns32.hichina.com2015-05-29 → 2017-01-02 · 4 obs

● 2015-05-29 18:17:48
● 2017-01-02 23:53:40
○ 2018-05-23 22:36:24
○ 2026-03-14 07:04:44

○NSns1637.ztomy.com2018-05-23 → 2018-05-23 · 4 obs

○ 2017-01-02 23:53:40
● 2018-05-23 22:36:24
○ 2026-03-14 07:04:42
○ 2026-03-14 07:04:44

○NSns2637.ztomy.com2018-05-23 → 2018-05-23 · 4 obs

○ 2017-01-02 23:53:40
● 2018-05-23 22:36:24
○ 2026-03-14 07:04:42
○ 2026-03-14 07:04:44

●NSopal.ns.cloudflare.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

●A104.21.5.82026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

●A172.67.132.1802026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

○A204.11.56.372018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 22:36:24
○ 2026-03-14 07:04:42
○ 2026-03-14 07:04:44

●A2606:4700:3034::ac43:84b42026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

●A2606:4700:3037::6815:5082026-03-14 → 2026-03-14 · 3 obs

○ 2018-05-23 22:36:24
● 2026-03-14 07:04:42
● 2026-03-14 07:04:44

○PTRns1637.ztomy.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 22:36:24
○ 2026-03-14 07:04:42
○ 2026-03-14 07:04:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jfcb99.com	darwin.ns.cloudflare.com, opal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.151

NS records: darwin.ns.cloudflare.com, opal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfcb99.com (unsigned zone)

⏱️ Timing

Total: 92ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.180, 104.21.5.8`
AAAA	2	`2606:4700:3034::ac43:84b4, 2606:4700:3037::6815:508`
NS	2	`darwin.ns.cloudflare.com, opal.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (darwin.ns.cloudflare.com, darwin.ns.cloudflare.com, darwin.ns.cloudflare.com...)

Analysis

IP Addresses

jfcb99.com maps to four IP numbers: 2606:4700:3034::ac43:84b4, 2606:4700:3037::6815:508, 104.21.5.8 and 172.67.132.180.

Other host names, for instance teeth-whitening-spa-near-me.cseasyrq.com, donemat.com, trendbetresmi.vip, costoninsuranceservices.com and planquest.click share IP numbers with jfcb99.com.

Name Servers

Two name servers darwin.ns.cloudflare.com and opal.ns.cloudflare.com handle delegation for jfcb99.com.

jfcb99.com uses the same name server setup as other domains, for example uneedus.cn, yxzscjh.com, adaltvideos.com, nsrm.cn and 82602.cn.

jfcb99.com partially shares name servers with other domains; examples include bay-village-ohio.com, vip31.cn, percentam.com, antchin.com and travelapi.in.

these name servers are commonly used with the name servers kia.ns.cloudflare.com.

Host names with six IP numbers: darwin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151; opal.ns.cloudflare.com points to: 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.

jfcb99.com - robtex.com

jfcb99.com

com

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`jfcb99.com`

`com`