`systemischforschen.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:452^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:83cf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.82^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.207^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`austin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b46^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c146^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`austin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2146^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`austin.ns.cloudflare.com`
		A	108.162.193.70^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	172.64.33.70^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	173.245.59.70^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
NS	`carioca.ns.cloudflare.com`
		A	2606:4700:50::a29f:2614^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c214^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carioca.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2214^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carioca.ns.cloudflare.com`
		A	108.162.194.20^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	162.159.38.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	172.64.34.20^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
MX	`mail` ⭐
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
TXT	`v=spf1 a mx ip4:165.227.132.202 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.82, 172.67.131.207
		IPv6 hints	2606:4700:3030::6815:452, 2606:4700:3030::ac43:83cf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOA	`austin.ns.cloudflare.com`dns@cloudflare.com serial=2403815469

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1778445321

⚠️ On DNS blocklist: tif

Same first word

systemischforschen.de

DNS History

15 records (8 active, 7 former)

●NSaustin.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

●NScarioca.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

○NSdocks16.rzone.de2015-07-05 → 2018-12-04 · 4 obs

● 2015-07-05 04:03:48
● 2018-12-04 13:21:08
○ 2026-05-06 14:36:16
○ 2026-05-10 20:41:50

○NSshades07.rzone.de2015-07-05 → 2018-12-04 · 4 obs

● 2015-07-05 04:03:48
● 2018-12-04 13:21:08
○ 2026-05-06 14:36:16
○ 2026-05-10 20:41:50

●MXmail2026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

○MXsmtp.rzone.de2015-07-05 → 2018-12-04 · 4 obs

● 2015-07-05 04:03:48
● 2018-12-04 13:21:08
○ 2026-05-06 14:36:16
○ 2026-05-10 20:41:50

●MXsmtpin.rzone.de2026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

●A104.21.4.822026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

●A172.67.131.2072026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

○A193.141.3.732018-12-04 → 2018-12-04 · 4 obs

○ 2017-01-16 06:54:52
● 2018-12-04 13:21:08
○ 2026-05-06 14:36:16
○ 2026-05-10 20:41:50

●A2606:4700:3030::6815:4522026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

●A2606:4700:3030::ac43:83cf2026-05-06 → 2026-05-10 · 3 obs

○ 2018-12-04 13:21:08
● 2026-05-06 14:36:16
● 2026-05-10 20:41:50

○A2a01:238:20a:202:1073::2018-12-04 → 2018-12-04 · 4 obs

○ 2017-01-16 06:54:52
● 2018-12-04 13:21:08
○ 2026-05-06 14:36:16
○ 2026-05-10 20:41:50

○A2a01:238:20a:202:1075::2015-07-05 → 2017-01-16 · 4 obs

● 2015-07-05 04:03:48
● 2017-01-16 06:54:52
○ 2018-12-04 13:21:08
○ 2026-05-10 20:41:50

○A81.169.145.752015-07-05 → 2017-01-16 · 4 obs

● 2015-07-05 04:03:48
● 2017-01-16 06:54:52
○ 2018-12-04 13:21:08
○ 2026-05-10 20:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
systemischforschen.de	austin.ns.cloudflare.com, carioca.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.70

NS records: austin.ns.cloudflare.com, carioca.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemischforschen.de (unsigned zone)

⏱️ Timing

Total: 754ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.82, 172.67.131.207`
AAAA	2	`2606:4700:3030::6815:452, 2606:4700:3030::ac43:83cf`
NS	2	`austin.ns.cloudflare.com, carioca.ns.cloudflare.com`
MX	2	`mail (pri: 5), smtpin.rzone.de (pri: 5)`
TXT	1	`v=spf1 a mx ip4:165.227.132.202 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`austin.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

systemischforschen.de points to four IP numbers: 2606:4700:3030::6815:452, 2606:4700:3030::ac43:83cf, 104.21.4.82 and 172.67.131.207.

For instance, other host names hrushikesh.net, je.pe.cdn.cloudflare.net, taiger.fun, qotr.org and criticones.com share IP numbers with systemischforschen.de.

Name Servers

systemischforschen.de is delegated to two name servers: austin.ns.cloudflare.com and carioca.ns.cloudflare.com.

systemischforschen.de uses the same name server setup as other domains such as systemisch-forschen.org, trujillanos-fc.com.ve, drmcdougallforums.com, rollingwok.ca and morehits.net.

systemischforschen.de shares name servers with other domains at least partially, for example titan-computers.com, robertsonlegalgroupllc.com, kappery-telegramm.ru, 942ww.com and geekdome.org.

These name servers are commonly used with the name servers miki.ns.cloudflare.com and norah.ns.cloudflare.com.

Host names with six IP numbers: host name austin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b46, 2803:f800:50::6ca2:c146, 2a06:98c1:50::ac40:2146, 108.162.193.70, 172.64.33.70 and 173.245.59.70; host name carioca.ns.cloudflare.com points to: 2606:4700:50::a29f:2614, 2803:f800:50::6ca2:c214, 2a06:98c1:50::ac40:2214, 108.162.194.20, 162.159.38.20 and 172.64.34.20.

Mail Servers

Two mail servers mail and smtpin.rzone.de handle systemischforschen.de.

systemischforschen.de shares the same mail server setup as other domains, for instance bl-lagereinrichtungen.com, e-bike-manufaktur-osnabrueck.com, kulturlese.com, craft-and-craft.de and ochocki.info.

systemischforschen.de shares mail servers with other domains at least partially; for instance all-finance.biz, liunex.de, mail.whyyoucare.de, ilike.coffee and westerhove-gastrotechnik.de.

Host names with two IP numbers: smtpin.rzone.de resolves to 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

systemischforschen.de - robtex.com