`valentinleistner.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::ac43:cd80^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:169c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.156^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.128^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arch.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c144^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2144^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arch.ns.cloudflare.com`
		A	108.162.193.68^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	172.64.33.68^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	173.245.59.68^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
NS	`christina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
MX	`mail.valentinleistner.com` ⭐
		A	2003:f6:973a:f700:216:3eff:feea:16a5^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
			PTR	`p200300f6973af70002163efffeea16a5.dip0.t-ipconnect.de`
		A	79.215.196.187^{🇩🇪 DTAG79.192.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`p4fd7c4bb.dip0.t-ipconnect.de`
TXT	`google-site-verification=_Dkc9jtyZVONNdrX0fanV1TxERQtL-MQ81Gchud93qU`
TXT	`v=spf1 a:hawking.pio.red -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.22.156, 172.67.205.128
		IPv6	2606:4700:3034::ac43:cd80, 2606:4700:3036::6815:169c
SOA	`arch.ns.cloudflare.com`dns@cloudflare.com serial=2399851738

`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=1774475107

Same first word

valentinleistner.com

DNS History

12 records (7 active, 5 former)

●NSarch.ns.cloudflare.com2026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

●NSchristina.ns.cloudflare.com2026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

○NSdocks19.rzone.de2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 08:43:44
○ 2026-03-11 18:21:56
○ 2026-03-25 22:10:36

○NSshades11.rzone.de2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 08:43:44
○ 2026-03-11 18:21:56
○ 2026-03-25 22:10:36

●MXmail.valentinleistner.com2026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

○MXsmtpin.rzone.de2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 08:43:44
○ 2026-03-11 18:21:56
○ 2026-03-25 22:10:36

●A104.21.22.1562026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

●A172.67.205.1282026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

●A2606:4700:3034::ac43:cd802026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

●A2606:4700:3036::6815:169c2026-03-11 → 2026-03-25 · 3 obs

○ 2019-04-19 08:43:44
● 2026-03-11 18:21:56
● 2026-03-25 22:10:36

○A2a01:238:20a:202:1080::2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 08:43:44
○ 2026-03-11 18:21:56
○ 2026-03-25 22:10:36

○A81.169.145.802019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 08:43:44
○ 2026-03-11 18:21:56
○ 2026-03-25 22:10:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
valentinleistner.com	arch.ns.cloudflare.com, christina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.193

NS records: arch.ns.cloudflare.com, christina.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.205.128, 104.21.22.156`
AAAA	2	`2606:4700:3034::ac43:cd80, 2606:4700:3036::6815:169c`
NS	2	`arch.ns.cloudflare.com, christina.ns.cloudflare.com`
MX	1	`mail.valentinleistner.com (pri: 10)`
TXT	2	`google-site-verification=_Dkc9jtyZVONNdr, v=spf1 a:hawking.pio.red -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arch.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

valentinleistner.com maps to four IP numbers: 2606:4700:3034::ac43:cd80, 2606:4700:3036::6815:169c, 104.21.22.156 and 172.67.205.128.

other host names include tw.islfx.com, hollow-fizz.ru, club.tmart.com, syntaxdevs.com and advertsingsinginbing.com; they share IP numbers with valentinleistner.com.

Name Servers

Two name servers arch.ns.cloudflare.com and christina.ns.cloudflare.com handle the delegation for valentinleistner.com.

valentinleistner.com shares the same name server setup as other domains, for instance my-homeserver.com, ibbcacorretora.com.br, winbetscasino.com, kakiwarner.com and arv.org.au.

valentinleistner.com at least partially shares name servers with other domains, for instance aboutcreativejournals.com, aquapolis.ua, bhln.com, auspostlb.help and orpimmoduport.com.

These name servers are commonly used alongside nikon.ns.cloudflare.com.

Six IP addresses per host:

arch.ns.cloudflare.com points to 2606:4700:58::adf5:3b44, 2803:f800:50::6ca2:c144, 2a06:98c1:50::ac40:2144, 108.162.193.68, 172.64.33.68 and 173.245.59.68; christina.ns.cloudflare.com points to 2606:4700:50::a29f:26c1, 2803:f800:50::6ca2:c2c1, 2a06:98c1:50::ac40:22c1, 108.162.194.193, 162.159.38.193 and 172.64.34.193

Mail Servers

valentinleistner.com is handled by a single mail server, mail.valentinleistner.com.

mail.valentinleistner.com resolves to two IPs: 2003:f6:973a:f700:216:3eff:feea:16a5 and 79.215.196.187.

valentinleistner.com - robtex.com