`tenckhoff.net`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::ac43:d34d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1786^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.134^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.77^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sydney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2666^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c266^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sydney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2266^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sydney.ns.cloudflare.com`
		A	108.162.194.102^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	162.159.38.102^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	172.64.34.102^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
NS	`zod.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zod.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zod.ns.cloudflare.com`
		A	108.162.193.250^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	172.64.33.250^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	173.245.59.250^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.23.134, 172.67.211.77
		IPv6	2606:4700:3031::ac43:d34d, 2606:4700:3035::6815:1786
SOA	`sydney.ns.cloudflare.com`dns@cloudflare.com serial=2398980493

`net`

	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=1774596477

🔒 HSTS Preload (+subdomains)

Same first word

tenckhoff.eu

tenckhoff.de

tenckhoff.net

tenckhoff.com

DNS History

12 records (6 active, 6 former)

○NSns11.prosite.de2015-08-08 → 2017-03-22 · 4 obs

● 2015-08-08 02:55:08
● 2017-03-22 20:09:12
○ 2026-03-10 17:15:26
○ 2026-03-27 07:56:30

○NSns12.prosite.de2015-08-08 → 2017-03-22 · 4 obs

● 2015-08-08 02:55:08
● 2017-03-22 20:09:12
○ 2026-03-10 17:15:26
○ 2026-03-27 07:56:30

●NSsydney.ns.cloudflare.com2026-03-10 → 2026-03-27 · 3 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
● 2026-03-27 07:56:30

●NSzod.ns.cloudflare.com2026-03-10 → 2026-03-27 · 3 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
● 2026-03-27 07:56:30

○MXmx.10.worldserver.net2015-08-08 → 2017-03-22 · 4 obs

● 2015-08-08 02:55:08
● 2017-03-22 20:09:12
○ 2026-03-10 17:15:26
○ 2026-03-27 07:56:30

○MXmx.20.worldserver.net2015-08-08 → 2017-03-22 · 4 obs

● 2015-08-08 02:55:08
● 2017-03-22 20:09:12
○ 2026-03-10 17:15:26
○ 2026-03-27 07:56:30

●A104.21.23.1342026-03-10 → 2026-03-27 · 4 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
○ 2026-03-18 23:42:46
● 2026-03-27 07:56:30

○A172.64.80.12026-03-18 → 2026-03-18 · 3 obs

○ 2026-03-10 17:15:26
● 2026-03-18 23:42:46
○ 2026-03-27 07:56:30

●A172.67.211.772026-03-10 → 2026-03-27 · 4 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
○ 2026-03-18 23:42:46
● 2026-03-27 07:56:30

○A217.13.199.202015-08-08 → 2017-03-22 · 4 obs

● 2015-08-08 02:55:08
● 2017-03-22 20:09:12
○ 2026-03-10 17:15:26
○ 2026-03-27 07:56:30

●A2606:4700:3031::ac43:d34d2026-03-10 → 2026-03-27 · 3 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
● 2026-03-27 07:56:30

●A2606:4700:3035::6815:17862026-03-10 → 2026-03-27 · 3 obs

○ 2017-03-22 20:09:12
● 2026-03-10 17:15:26
● 2026-03-27 07:56:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
tenckhoff.net	zod.ns.cloudflare.com, sydney.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.250

NS records: zod.ns.cloudflare.com, sydney.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.77, 104.21.23.134`
AAAA	2	`2606:4700:3031::ac43:d34d, 2606:4700:3035::6815:1786`
NS	2	`sydney.ns.cloudflare.com, zod.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sydney.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

tenckhoff.net resolves to four IP numbers: 2606:4700:3031::ac43:d34d, 2606:4700:3035::6815:1786, 104.21.23.134 and 172.67.211.77.

Other host names such as x2215.com, domoticahome.it, carpaltunnelmassage.com, jf79.net and txtire.com share IPs with tenckhoff.net.

Name Servers

tenckhoff.net is delegated to two name servers: sydney.ns.cloudflare.com and zod.ns.cloudflare.com.

tenckhoff.net shares the same name server setup as axialprogress.com, ancares.info, tenckhoff.de, wristreliever.com and portefeuillevexotech.com.

tenckhoff.net at least partially shares name servers with other domains, for instance zo88cc.co, fedasso.com, tjrhx.com, daily-usdt.com and jyswst.com.

These name servers are commonly used together with kipp.ns.cloudflare.com, jerry.ns.cloudflare.com and cesar.ns.cloudflare.com.

Host names with six IP numbers:

sydney.ns.cloudflare.com points to 2606:4700:50::a29f:2666, 2803:f800:50::6ca2:c266, 2a06:98c1:50::ac40:2266, 108.162.194.102, 162.159.38.102 and 172.64.34.102.

zod.ns.cloudflare.com points to 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250.

tenckhoff.net - robtex.com

tenckhoff.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`tenckhoff.net`

`net`