`yufu1.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:7d5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bc0a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.213^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.10^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`nelci.ns.cloudflare.com`
		A	2606:4700:50::a29f:2698^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c298^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelci.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2298^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelci.ns.cloudflare.com`
		A	108.162.194.152^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	162.159.38.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	172.64.34.152^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.213, 172.67.188.10
		IPv6 hints	2606:4700:3036::6815:7d5, 2606:4700:3037::ac43:bc0a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2402594892

`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=1778835846

Same first word

yufu1.com

DNS History

18 records (6 active, 12 former)

●NScoby.ns.cloudflare.com2026-05-15 → 2026-05-15 · 3 obs

○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

○NSderek.ns.cloudflare.com2026-03-08 → 2026-03-25 · 5 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

○NSdns31.hichina.com2015-07-09 → 2018-09-08 · 4 obs

● 2015-07-09 09:30:14
● 2018-09-08 01:09:52
○ 2026-03-08 03:41:46
○ 2026-05-15 09:30:18

○NSdns32.hichina.com2015-07-09 → 2018-09-08 · 4 obs

● 2015-07-09 09:30:14
● 2018-09-08 01:09:52
○ 2026-03-08 03:41:46
○ 2026-05-15 09:30:18

○NSmarjory.ns.cloudflare.com2026-03-08 → 2026-03-25 · 5 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

●NSnelci.ns.cloudflare.com2026-05-15 → 2026-05-15 · 3 obs

○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

○NSns1.dnslah.com2026-04-09 → 2026-04-09 · 4 obs

○ 2026-03-25 05:54:12
● 2026-04-09 11:24:54
○ 2026-05-15 09:30:14
○ 2026-05-15 09:30:18

○NSns2.dnslah.com2026-04-09 → 2026-04-09 · 4 obs

○ 2026-03-25 05:54:12
● 2026-04-09 11:24:54
○ 2026-05-15 09:30:14
○ 2026-05-15 09:30:18

●A104.21.7.2132026-03-08 → 2026-05-15 · 7 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-23 22:18:30
○ 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

○A112.124.182.1852015-07-09 → 2018-09-08 · 4 obs

● 2015-07-09 09:30:14
● 2018-09-08 01:09:52
○ 2026-03-08 03:41:46
○ 2026-05-15 09:30:18

●A172.67.188.102026-03-08 → 2026-05-15 · 7 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-23 22:18:30
○ 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

○A188.114.96.02026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 22:18:30
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

○A188.114.97.02026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 22:18:30
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

●A2606:4700:3036::6815:7d52026-03-08 → 2026-05-15 · 7 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-23 22:18:30
○ 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

●A2606:4700:3037::ac43:bc0a2026-03-08 → 2026-05-15 · 7 obs

○ 2018-09-08 01:09:52
● 2026-03-08 03:41:46
● 2026-03-23 22:18:30
○ 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
● 2026-05-15 09:30:14
● 2026-05-15 09:30:18

○A2a06:98c1:3120::2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 22:18:30
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

○A2a06:98c1:3121::2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 22:18:30
● 2026-03-25 05:54:12
○ 2026-04-09 11:24:54
○ 2026-05-15 09:30:18

○CNAMEhumalija.cdnfree.org2026-04-09 → 2026-04-09 · 3 obs

● 2026-04-09 11:24:54
○ 2026-05-15 09:30:14
○ 2026-05-15 09:30:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...	-
yufu1.com	coby.ns.cloudflare.com, nelci.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.92

NS records: coby.ns.cloudflare.com, nelci.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yufu1.com (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.10, 104.21.7.213`
AAAA	2	`2606:4700:3037::ac43:bc0a, 2606:4700:3036::6815:7d5`
NS	2	`coby.ns.cloudflare.com, nelci.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

yufu1.com resolves to four IP numbers: 2606:4700:3036::6815:7d5, 2606:4700:3037::ac43:bc0a, 104.21.7.213 and 172.67.188.10.

other host names for instance www.freenovelread.com, y-71.com, ydsuji.com, bj7959.com and rsiamelinda.com share IP numbers with yufu1.com.

Name Servers

yufu1.com is delegated to two name servers: coby.ns.cloudflare.com and nelci.ns.cloudflare.com.

yufu1.com shares the same name server setup as other domains, for example changning777.com, cqzhkyy.com, zskedao.com, chinaanix.com and bldjyy.com.

yufu1.com at least partially shares name servers with other domains, for instance cxhc.com, bluenotebook.au, tesorion.be, sorteoresidencia.com and kurosmitz.com.

These name servers are commonly used with the name servers ollie.ns.cloudflare.com.

Host names with six IP numbers:

coby.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5c, 2803:f800:50::6ca2:c15c, 2a06:98c1:50::ac40:215c, 108.162.193.92, 172.64.33.92 and 173.245.59.92; nelci.ns.cloudflare.com points to: 2606:4700:50::a29f:2698, 2803:f800:50::6ca2:c298, 2a06:98c1:50::ac40:2298, 108.162.194.152, 162.159.38.152 and 172.64.34.152.

yufu1.com - robtex.com

yufu1.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

`yufu1.com`

`com`