`sysanfeng.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:58bf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:9830^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.191^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.48^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`trevor.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trevor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trevor.ns.cloudflare.com`
		A	108.162.195.154^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	162.159.44.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
		A	172.64.35.154^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trevor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.191, 172.67.152.48
		IPv6 hints	2606:4700:3030::6815:58bf, 2606:4700:3031::ac43:9830
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2409926987

`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=1785490147

Same first word

sysanfeng.com

DNS History

18 records (6 active, 12 former)

●NSbarbara.ns.cloudflare.com2026-04-14 → 2026-07-31 · 3 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
● 2026-07-31 09:39:10

○NSdns10.hichina.com2016-12-17 → 2017-12-02 · 4 obs

● 2016-12-17 10:21:00
● 2017-12-02 13:33:30
○ 2026-04-14 01:42:58
○ 2026-07-31 09:39:10

○NSdns9.hichina.com2016-12-17 → 2017-12-02 · 4 obs

● 2016-12-17 10:21:00
● 2017-12-02 13:33:30
○ 2026-04-14 01:42:58
○ 2026-07-31 09:39:10

●NStrevor.ns.cloudflare.com2026-04-14 → 2026-07-31 · 3 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
● 2026-07-31 09:39:10

●A104.21.88.1912026-04-14 → 2026-07-31 · 4 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
○ 2026-07-08 07:49:16
● 2026-07-31 09:39:10

●A172.67.152.482026-04-14 → 2026-07-31 · 4 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
○ 2026-07-08 07:49:16
● 2026-07-31 09:39:10

○A188.114.96.02026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-14 01:42:58
● 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

○A188.114.97.02026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-14 01:42:58
● 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

●A2606:4700:3030::6815:58bf2026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-08 07:49:16
● 2026-07-31 09:39:10

●A2606:4700:3031::ac43:98302026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-08 07:49:16
● 2026-07-31 09:39:10

○A2606:4700:3036::ac43:98302026-04-14 → 2026-04-14 · 4 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
○ 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

○A2606:4700:3037::6815:58bf2026-04-14 → 2026-04-14 · 4 obs

○ 2017-12-02 13:33:30
● 2026-04-14 01:42:58
○ 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

○A2a06:98c1:3120::2026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-14 01:42:58
● 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

○A2a06:98c1:3121::2026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-14 01:42:58
● 2026-07-08 07:49:16
○ 2026-07-31 09:39:10

○A61.135.162.1482016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 10:21:00
○ 2017-12-02 13:33:30
○ 2026-07-31 09:39:10

○A61.135.162.942016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 10:21:00
○ 2017-12-02 13:33:30
○ 2026-07-31 09:39:10

○CNAMEbdysite.n.shifen.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 10:21:00
○ 2017-12-02 13:33:30
○ 2026-07-31 09:39:10

○CNAMEsy002949.fc.bdysite.com2016-12-17 → 2017-12-02 · 4 obs

● 2016-12-17 10:21:00
● 2017-12-02 13:33:30
○ 2026-04-14 01:42:58
○ 2026-07-31 09:39:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sysanfeng.com	barbara.ns.cloudflare.com, trevor.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.154

NS records: barbara.ns.cloudflare.com, trevor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysanfeng.com (unsigned zone)

⏱️ Timing

Total: 176ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.191, 172.67.152.48`
AAAA	2	`2606:4700:3030::6815:58bf, 2606:4700:3031::ac43:9830`
NS	2	`barbara.ns.cloudflare.com, trevor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sysanfeng.com resolves to four IP addresses: 104.21.88.191, 172.67.152.48, 2606:4700:3030::6815:58bf and 2606:4700:3031::ac43:9830.

Two other host names, along with antropofagista.com.br, lbcfleet.com and cityofwestonwv.gov, also share IP numbers with sysanfeng.com.

Name Servers

sysanfeng.com is delegated to two name servers: barbara.ns.cloudflare.com and trevor.ns.cloudflare.com.

sysanfeng.com shares its NS records with other domains, for example jnpowers.com, ahsy-gg.com, chinatce.com and two others.

sysanfeng.com shares at least some of its name servers with other domains, including amount.com, clamptek.us, msda.com.my and two others.

These name servers are frequently seen alongside the name servers kay.ns.cloudflare.com, linda.ns.cloudflare.com, luciana.ns.cloudflare.com and isaac.ns.cloudflare.com.

DNS names with 6 IP addresses:

barbara.ns.cloudflare.com resolves to 108.162.192.248, 172.64.32.248, 173.245.58.248 and 3 other IP addresses.

trevor.ns.cloudflare.com resolves to 108.162.195.154, 162.159.44.154, 172.64.35.154 and 3 other IP addresses.

sysanfeng.com - robtex.com

sysanfeng.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`sysanfeng.com`

`com`