`519fu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:468c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:8831^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.140^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.49^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abdullah.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ccb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abdullah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abdullah.ns.cloudflare.com`
		A	108.162.195.203^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	162.159.44.203^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	172.64.35.203^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
NS	`dorthy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.140, 172.67.136.49
		IPv6 hints	2606:4700:3030::6815:468c, 2606:4700:3030::ac43:8831
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=179, name=cloudflare-ech.com
SOA	`abdullah.ns.cloudflare.com`dns@cloudflare.com serial=2409229269

`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=1785709012

Same first word

519fu.com

Similar names

591fu.com

195fu.com

195uf.com

DNS History

20 records (6 active, 14 former)

●NSabdullah.ns.cloudflare.com2026-05-17 → 2026-08-02 · 3 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
● 2026-08-02 22:23:22

○NSdns7.hichina.com2018-07-13 → 2018-07-13 · 4 obs

○ 2017-01-23 14:43:16
● 2018-07-13 20:31:26
○ 2026-05-17 06:02:46
○ 2026-08-02 22:23:22

○NSdns8.hichina.com2018-07-13 → 2018-07-13 · 4 obs

○ 2017-01-23 14:43:16
● 2018-07-13 20:31:26
○ 2026-05-17 06:02:46
○ 2026-08-02 22:23:22

●NSdorthy.ns.cloudflare.com2026-05-17 → 2026-08-02 · 3 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
● 2026-08-02 22:23:22

○NSf1g1ns1.dnspod.net2015-05-29 → 2017-01-23 · 4 obs

● 2015-05-29 11:44:12
● 2017-01-23 14:43:16
○ 2018-07-13 20:31:26
○ 2026-08-02 22:23:22

○NSf1g1ns2.dnspod.net2015-05-29 → 2017-01-23 · 4 obs

● 2015-05-29 11:44:12
● 2017-01-23 14:43:16
○ 2018-07-13 20:31:26
○ 2026-08-02 22:23:22

○MXmxbiz1.qq.com2015-05-29 → 2015-12-29 · 4 obs

● 2015-05-29 11:44:12
● 2015-12-29 18:52:02
○ 2016-03-27 07:21:40
○ 2026-08-02 22:23:22

○MXmxbiz2.qq.com2015-05-29 → 2015-12-29 · 4 obs

● 2015-05-29 11:44:12
● 2015-12-29 18:52:02
○ 2016-03-27 07:21:40
○ 2026-08-02 22:23:22

●A104.21.70.1402026-05-17 → 2026-08-02 · 5 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
○ 2026-07-08 09:02:56
● 2026-08-02 22:23:20
● 2026-08-02 22:23:22

○A118.193.171.2202018-07-13 → 2018-07-13 · 4 obs

○ 2016-03-27 07:21:40
● 2018-07-13 20:31:26
○ 2026-05-17 06:02:46
○ 2026-08-02 22:23:22

●A172.67.136.492026-05-17 → 2026-08-02 · 5 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
○ 2026-07-08 09:02:56
● 2026-08-02 22:23:20
● 2026-08-02 22:23:22

○A188.114.96.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-08 03:03:32
● 2026-07-08 09:02:56
○ 2026-08-02 22:23:20
○ 2026-08-02 22:23:22

○A188.114.97.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-08 03:03:32
● 2026-07-08 09:02:56
○ 2026-08-02 22:23:20
○ 2026-08-02 22:23:22

○A218.244.144.1032015-05-29 → 2015-12-29 · 4 obs

● 2015-05-29 11:44:12
● 2015-12-29 18:52:02
○ 2016-03-27 07:21:40
○ 2026-08-02 22:23:22

●A2606:4700:3030::6815:468c2026-07-08 → 2026-08-02 · 5 obs

○ 2026-05-26 00:51:46
● 2026-07-08 03:03:32
○ 2026-07-08 09:02:56
● 2026-08-02 22:23:20
● 2026-08-02 22:23:22

●A2606:4700:3030::ac43:88312026-07-08 → 2026-08-02 · 5 obs

○ 2026-05-26 00:51:46
● 2026-07-08 03:03:32
○ 2026-07-08 09:02:56
● 2026-08-02 22:23:20
● 2026-08-02 22:23:22

○A2606:4700:3033::ac43:88312026-05-17 → 2026-05-26 · 5 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
● 2026-05-26 00:51:46
○ 2026-07-08 03:03:32
○ 2026-08-02 22:23:22

○A2606:4700:3035::6815:468c2026-05-17 → 2026-05-26 · 5 obs

○ 2018-07-13 20:31:26
● 2026-05-17 06:02:46
● 2026-05-26 00:51:46
○ 2026-07-08 03:03:32
○ 2026-08-02 22:23:22

○A2a06:98c1:3120::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-08 03:03:32
● 2026-07-08 09:02:56
○ 2026-08-02 22:23:20
○ 2026-08-02 22:23:22

○A2a06:98c1:3121::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-08 03:03:32
● 2026-07-08 09:02:56
○ 2026-08-02 22:23:20
○ 2026-08-02 22:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...	-
519fu.com	dorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.203

NS records: dorthy.ns.cloudflare.com, abdullah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 519fu.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.140, 172.67.136.49`
AAAA	2	`2606:4700:3030::ac43:8831, 2606:4700:3030::6815:468c`
NS	2	`abdullah.ns.cloudflare.com, dorthy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abdullah.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

519fu.com has four IP addresses: 104.21.70.140, 172.67.136.49, 2606:4700:3030::6815:468c and 2606:4700:3030::ac43:8831.

Two other host names, along with aib.edu.bd, psbresearch.com and lawpro.com.vn, also share IP numbers with 519fu.com.

Name Servers

Two name servers handle the delegation for 519fu.com: abdullah.ns.cloudflare.com and dorthy.ns.cloudflare.com.

519fu.com shares its NS records with other domains, for example lierdadoor.com, 81cuochuang.com, cnbjh.com and two others.

519fu.com shares at least some of its name servers with other domains, including snap-shot-city.com, jingruidz.cn, zzbwsl.com and two others.

These name servers are frequently seen alongside the name servers rayden.ns.cloudflare.com, aleena.ns.cloudflare.com, maria.ns.cloudflare.com and clara.ns.cloudflare.com.

DNS names with 6 IP addresses:

abdullah.ns.cloudflare.com resolves to 108.162.195.203, 162.159.44.203 and 172.64.35.203 among others, with 3 other IP addresses in total.

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249 and 173.245.58.249 among others, with 3 other IP addresses in total.

519fu.com - robtex.com

519fu.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`519fu.com`

`com`