`united-csfe.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c1bb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:c45^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.69^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.187^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brian.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c24^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c324^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2324^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brian.ns.cloudflare.com`
		A	108.162.195.36^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	162.159.44.36^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
		A	172.64.35.36^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brian.ns.cloudflare.com`
NS	`jessica.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jessica.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jessica.ns.cloudflare.com`
		A	108.162.192.171^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	172.64.32.171^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	173.245.58.171^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.69, 172.67.193.187
		IPv6 hints	2606:4700:3031::ac43:c1bb, 2606:4700:3032::6815:c45
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com
SOA	`brian.ns.cloudflare.com`dns@cloudflare.com serial=2402462589

`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=1778535336

Previously MX for

united-csfe.com

Same first word

united-csfe.com

DNS History

14 records (6 active, 8 former)

○NSasns1.customer.ne.jp2017-05-12 → 2017-05-12 · 3 obs

● 2017-05-12 01:27:28
○ 2026-02-15 06:33:08
○ 2026-05-11 21:57:50

○NSasns2.customer.ne.jp2017-05-12 → 2017-05-12 · 3 obs

● 2017-05-12 01:27:28
○ 2026-02-15 06:33:08
○ 2026-05-11 21:57:50

●NSbrian.ns.cloudflare.com2026-02-15 → 2026-05-11 · 3 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-05-11 21:57:50

●NSjessica.ns.cloudflare.com2026-02-15 → 2026-05-11 · 3 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-05-11 21:57:50

○MXunited-csfe.com2017-05-12 → 2026-02-15 · 4 obs

● 2017-05-12 01:27:28
● 2026-02-15 18:25:58
○ 2026-02-27 22:06:28
○ 2026-05-11 21:57:50

●A104.21.12.692026-02-15 → 2026-05-11 · 7 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-02-27 22:06:28
○ 2026-03-06 14:26:34
○ 2026-03-27 04:49:02
● 2026-04-24 16:49:32
● 2026-05-11 21:57:50

○A122.1.229.1102017-05-12 → 2017-05-12 · 3 obs

● 2017-05-12 01:27:28
○ 2026-02-15 06:33:08
○ 2026-05-11 21:57:50

●A172.67.193.1872026-02-15 → 2026-05-11 · 7 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-02-27 22:06:28
○ 2026-03-06 14:26:34
○ 2026-03-27 04:49:02
● 2026-04-24 16:49:32
● 2026-05-11 21:57:50

○A188.114.96.02026-03-06 → 2026-03-27 · 5 obs

○ 2026-02-27 22:06:28
● 2026-03-06 14:26:34
● 2026-03-27 04:49:02
○ 2026-04-24 16:49:32
○ 2026-05-11 21:57:50

○A188.114.97.02026-03-06 → 2026-03-27 · 5 obs

○ 2026-02-27 22:06:28
● 2026-03-06 14:26:34
● 2026-03-27 04:49:02
○ 2026-04-24 16:49:32
○ 2026-05-11 21:57:50

●A2606:4700:3031::ac43:c1bb2026-02-15 → 2026-05-11 · 7 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-02-27 22:06:28
○ 2026-03-06 14:26:34
○ 2026-03-27 04:49:02
● 2026-04-24 16:49:32
● 2026-05-11 21:57:50

●A2606:4700:3032::6815:c452026-02-15 → 2026-05-11 · 7 obs

○ 2017-05-12 01:27:28
● 2026-02-15 06:33:08
● 2026-02-27 22:06:28
○ 2026-03-06 14:26:34
○ 2026-03-27 04:49:02
● 2026-04-24 16:49:32
● 2026-05-11 21:57:50

○A2a06:98c1:3120::2026-03-06 → 2026-03-27 · 5 obs

○ 2026-02-27 22:06:28
● 2026-03-06 14:26:34
● 2026-03-27 04:49:02
○ 2026-04-24 16:49:32
○ 2026-05-11 21:57:50

○A2a06:98c1:3121::2026-03-06 → 2026-03-27 · 5 obs

○ 2026-02-27 22:06:28
● 2026-03-06 14:26:34
● 2026-03-27 04:49:02
○ 2026-04-24 16:49:32
○ 2026-05-11 21:57:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
united-csfe.com	jessica.ns.cloudflare.com, brian.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.171

NS records: jessica.ns.cloudflare.com, brian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for united-csfe.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.69, 172.67.193.187`
AAAA	2	`2606:4700:3031::ac43:c1bb, 2606:4700:3032::6815:c45`
NS	2	`brian.ns.cloudflare.com, jessica.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brian.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by united-csfe.com: 2606:4700:3031::ac43:c1bb, 2606:4700:3032::6815:c45, 104.21.12.69 and 172.67.193.187.

other host names including www.driven-inc.com, 0kongbao.com, bwt.ba, immobiliertournon.com and www.andreadanahe.com share IP numbers with united-csfe.com.

Name Servers

united-csfe.com is delegated to two name servers brian.ns.cloudflare.com and jessica.ns.cloudflare.com.

united-csfe.com shares the same name server setup as other domains, for instance yaojiehun.com, zs128.com, e-away.com, niscreen.com and napgs.com.

united-csfe.com at least partially shares name servers with other domains, for instance ignitto.com, gpt4.me, 99vv84.com, visitbuffalo.com and renoweb.io.

These name servers are commonly used alongside elma.ns.cloudflare.com and imani.ns.cloudflare.com.

Host names with six IP numbers:

Host name brian.ns.cloudflare.com points to: 2606:4700:58::a29f:2c24, 2803:f800:50::6ca2:c324, 2a06:98c1:50::ac40:2324, 108.162.195.36, 162.159.44.36 and 172.64.35.36.

Host name jessica.ns.cloudflare.com points to: 2606:4700:50::adf5:3aab, 2803:f800:50::6ca2:c0ab, 2a06:98c1:50::ac40:20ab, 108.162.192.171, 172.64.32.171 and 173.245.58.171.

united-csfe.com - robtex.com

united-csfe.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

`united-csfe.com`

`com`