`holderhost.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4382^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:afa2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.130^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.162^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`addilyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`addilyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`addilyn.ns.cloudflare.com`
		A	108.162.194.217^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	162.159.38.217^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	172.64.34.217^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
NS	`maciej.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c2a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maciej.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maciej.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maciej.ns.cloudflare.com`
		A	108.162.195.42^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maciej.ns.cloudflare.com`
		A	162.159.44.42^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maciej.ns.cloudflare.com`
		A	172.64.35.42^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maciej.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.67.130, 172.67.175.162
		IPv6	2606:4700:3030::6815:4382, 2606:4700:3034::ac43:afa2
SOA	`addilyn.ns.cloudflare.com`dns@cloudflare.com serial=2399844638

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774630893

Previously MX for

holderhost.us

Subdomains

ns1.holderhost.us

ns2.holderhost.us

Same first word

holderhost.us

holderhost.com

Similar names

hostholder.com

deholhorst.nl

holdershot.com

hostholder.ru

DNS History

23 records (6 active, 17 former)

●NSaddilyn.ns.cloudflare.com2026-03-22 → 2026-03-27 · 3 obs

○ 2017-04-04 07:43:54
● 2026-03-22 23:55:40
● 2026-03-27 17:17:02

○NSdns1.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○NSdns2.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○NSdns3.registrar-servers.com2016-09-04 → 2016-09-04 · 4 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
○ 2017-04-04 07:43:54
○ 2026-03-27 17:17:02

○NSdns4.registrar-servers.com2016-09-04 → 2016-09-04 · 4 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
○ 2017-04-04 07:43:54
○ 2026-03-27 17:17:02

○NSdns5.registrar-servers.com2016-09-04 → 2016-09-04 · 4 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
○ 2017-04-04 07:43:54
○ 2026-03-27 17:17:02

●NSmaciej.ns.cloudflare.com2026-03-22 → 2026-03-27 · 3 obs

○ 2017-04-04 07:43:54
● 2026-03-22 23:55:40
● 2026-03-27 17:17:02

○NSns1.holderhost.us2015-11-06 → 2015-12-13 · 4 obs

● 2015-11-06 04:39:26
● 2015-12-13 09:30:46
○ 2016-09-04 07:31:36
○ 2026-03-27 17:17:02

○NSns2.holderhost.us2015-11-06 → 2015-12-13 · 4 obs

● 2015-11-06 04:39:26
● 2015-12-13 09:30:46
○ 2016-09-04 07:31:36
○ 2026-03-27 17:17:02

○MXeforward1.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○MXeforward2.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○MXeforward3.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○MXeforward4.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○MXeforward5.registrar-servers.com2016-09-04 → 2017-04-04 · 5 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○MXholderhost.us2015-11-06 → 2015-12-13 · 4 obs

● 2015-11-06 04:39:26
● 2015-12-13 09:30:46
○ 2016-09-04 07:31:36
○ 2026-03-27 17:17:02

●A104.21.67.1302026-03-22 → 2026-03-27 · 3 obs

○ 2017-04-04 07:43:54
● 2026-03-22 23:55:40
● 2026-03-27 17:17:02

○A107.155.101.1582015-11-06 → 2015-12-13 · 4 obs

● 2015-11-06 04:39:26
● 2015-12-13 09:30:46
○ 2016-09-04 07:31:36
○ 2026-03-27 17:17:02

○A162.255.119.2482017-04-04 → 2017-04-04 · 4 obs

○ 2016-09-04 07:31:36
● 2017-04-04 07:43:54
○ 2026-03-22 23:55:40
○ 2026-03-27 17:17:02

○A162.255.119.2502016-09-04 → 2016-09-04 · 4 obs

○ 2015-12-13 09:30:46
● 2016-09-04 07:31:36
○ 2017-04-04 07:43:54
○ 2026-03-27 17:17:02

●A172.67.175.1622026-03-22 → 2026-03-27 · 3 obs

○ 2017-04-04 07:43:54
● 2026-03-22 23:55:40
● 2026-03-27 17:17:02

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-22 → 2026-03-22 · 4 obs

○ 2017-04-04 07:43:54
● 2026-03-22 23:55:40
○ 2026-03-23 10:48:26
○ 2026-03-27 17:17:02

●A2606:4700:3030::6815:43822026-03-23 → 2026-03-27 · 3 obs

○ 2026-03-22 23:55:40
● 2026-03-23 10:48:26
● 2026-03-27 17:17:02

●A2606:4700:3034::ac43:afa22026-03-23 → 2026-03-27 · 3 obs

○ 2026-03-22 23:55:40
● 2026-03-23 10:48:26
● 2026-03-27 17:17:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	n.cctld.us, x.cctld.us, f.cctld.us, y.cctld.us...	-
holderhost.us	addilyn.ns.cloudflare.com, maciej.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.217

NS records: addilyn.ns.cloudflare.com, maciej.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holderhost.us (unsigned zone)

⏱️ Timing

Total: 1390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.162, 104.21.67.130`
AAAA	2	`2606:4700:3034::ac43:afa2, 2606:4700:3030::6815:4382`
NS	2	`addilyn.ns.cloudflare.com, maciej.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`addilyn.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

holderhost.us is parent of ns1.holderhost.us and ns2.holderhost.us.

IP Addresses

holderhost.us points to four IP numbers: 2606:4700:3030::6815:4382, 2606:4700:3034::ac43:afa2, 104.21.67.130 and 172.67.175.162.

Other host names including appl6.com, 42057584.com.cdn.cloudflare.net, archipelagolearning.com, www.in2web.com.br and mkucollege.org share IP numbers with holderhost.us.

Name Servers

holderhost.us's delegation uses two name servers, addilyn.ns.cloudflare.com and maciej.ns.cloudflare.com.

holderhost.us shares the same name server setup as other domains, for example as21773.net, hostwinsd.com, oaklandsestate.com.au, hwkey.net and shinomiya-hosting.com.

holderhost.us at least partially shares name servers with other domains, including healthplanestimate.com, wengerwatch.com, schwob.swiss, podsix.org and tjqianqing.com.

These name servers are commonly used with eve.ns.cloudflare.com and cameron.ns.cloudflare.com.

Host names with six IP numbers:

addilyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26d9, 2803:f800:50::6ca2:c2d9, 2a06:98c1:50::ac40:22d9, 108.162.194.217, 162.159.38.217 and 172.64.34.217.

maciej.ns.cloudflare.com points to: 2606:4700:58::a29f:2c2a, 2803:f800:50::6ca2:c32a, 2a06:98c1:50::ac40:232a, 108.162.195.42, 162.159.44.42 and 172.64.35.42.

holderhost.us - robtex.com

holderhost.us

us

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`holderhost.us`

`us`