`johnfei.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:aba4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:379b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.155^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.164^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arushi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:263d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arushi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arushi.ns.cloudflare.com`
		A	108.162.194.61^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	162.159.38.61^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	172.64.34.61^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
NS	`quentin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c07^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c307^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quentin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2307^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quentin.ns.cloudflare.com`
		A	108.162.195.7^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	162.159.44.7^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	172.64.35.7^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.155, 172.67.171.164
		IPv6 hints	2606:4700:3030::ac43:aba4, 2606:4700:3034::6815:379b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOA	`arushi.ns.cloudflare.com`dns@cloudflare.com serial=2399861971

`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=1776042002

Previously MX for

johnfei.com

Same first word

johnfei.com

DNS History

15 records (6 active, 9 former)

●NSarushi.ns.cloudflare.com2026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

○NSns1.crazydomains.com2016-05-08 → 2016-05-08 · 4 obs

○ 2016-01-24 19:40:38
● 2016-05-08 21:33:16
○ 2017-02-13 13:32:44
○ 2026-04-13 01:11:24

○NSns1.kouming.net2026-03-26 → 2026-04-13 · 2 obs

○ 2026-03-26 11:53:50
○ 2026-04-13 01:11:24

○NSns1.syrahost.com2015-07-09 → 2016-01-24 · 4 obs

● 2015-07-09 06:29:52
● 2016-01-24 19:40:38
○ 2016-05-08 21:33:16
○ 2026-04-13 01:11:24

○NSns2.crazydomains.com2016-05-08 → 2016-05-08 · 4 obs

○ 2016-01-24 19:40:38
● 2016-05-08 21:33:16
○ 2017-02-13 13:32:44
○ 2026-04-13 01:11:24

○NSns2.kouming.net2026-03-26 → 2026-04-13 · 2 obs

○ 2026-03-26 11:53:50
○ 2026-04-13 01:11:24

○NSns2.syrahost.com2015-07-09 → 2016-01-24 · 4 obs

● 2015-07-09 06:29:52
● 2016-01-24 19:40:38
○ 2016-05-08 21:33:16
○ 2026-04-13 01:11:24

●NSquentin.ns.cloudflare.com2026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

○MXjohnfei.com2015-07-09 → 2016-01-24 · 4 obs

● 2015-07-09 06:29:52
● 2016-01-24 19:40:38
○ 2016-05-08 21:33:16
○ 2026-04-13 01:11:24

●A104.21.55.1552026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

●A172.67.171.1642026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

○A203.170.80.2502016-05-08 → 2016-05-08 · 4 obs

○ 2016-01-24 19:40:38
● 2016-05-08 21:33:16
○ 2017-02-13 13:32:44
○ 2026-04-13 01:11:24

●A2606:4700:3030::ac43:aba42026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

●A2606:4700:3034::6815:379b2026-03-26 → 2026-04-13 · 3 obs

○ 2017-02-13 13:32:44
● 2026-03-26 11:53:50
● 2026-04-13 01:11:24

○A27.123.26.662015-07-09 → 2016-01-24 · 4 obs

● 2015-07-09 06:29:52
● 2016-01-24 19:40:38
○ 2016-05-08 21:33:16
○ 2026-04-13 01:11:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
johnfei.com	arushi.ns.cloudflare.com, quentin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.7

NS records: arushi.ns.cloudflare.com, quentin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johnfei.com (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.155, 172.67.171.164`
AAAA	2	`2606:4700:3034::6815:379b, 2606:4700:3030::ac43:aba4`
NS	2	`arushi.ns.cloudflare.com, quentin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arushi.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by johnfei.com: 2606:4700:3030::ac43:aba4, 2606:4700:3034::6815:379b, 104.21.55.155 and 172.67.171.164.

other host names including rsuuc.com, diffley-wright.com, kraftmark.no, skifworld.com and atooro.com share IP numbers with johnfei.com.

Name Servers

johnfei.com is delegated to two name servers arushi.ns.cloudflare.com and quentin.ns.cloudflare.com.

johnfei.com shares the same name server setup as other domains, for instance tfycgjpm.com, zxdq0511.com, sdjyyy.com, 3882055.com and yongyou114.com.

johnfei.com at least partially shares name servers with other domains, for instance betviplink.us, fntc.info, silviadias.pt, storecloudapp.com and govt.maori.nz.

these name servers are often used together with eoin.ns.cloudflare.com, princess.ns.cloudflare.com, darwin.ns.cloudflare.com and lia.ns.cloudflare.com.

Host names with six IP numbers:

Host name arushi.ns.cloudflare.com points to: 2606:4700:50::a29f:263d, 2803:f800:50::6ca2:c23d, 2a06:98c1:50::ac40:223d, 108.162.194.61, 162.159.38.61 and 172.64.34.61.

Host name quentin.ns.cloudflare.com points to: 2606:4700:58::a29f:2c07, 2803:f800:50::6ca2:c307, 2a06:98c1:50::ac40:2307, 108.162.195.7, 162.159.44.7 and 172.64.35.7.

johnfei.com - robtex.com

johnfei.com

com

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`johnfei.com`

`com`