`bildungsstifter.de`

DNSSEC	⚠️ Not signed
A	104.21.56.241^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.113^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`drew.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`drew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`drew.ns.cloudflare.com`
		A	108.162.193.160^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	172.64.33.160^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	173.245.59.160^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
NS	`mariah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mariah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mariah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mariah.ns.cloudflare.com`
		A	108.162.194.200^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mariah.ns.cloudflare.com`
		A	162.159.38.200^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mariah.ns.cloudflare.com`
		A	172.64.34.200^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mariah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.56.241, 172.67.138.113
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`drew.ns.cloudflare.com`dns@cloudflare.com serial=2410560166

`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=1785728843

Same first word

bildungsstifter.de

DNS History

12 records (4 active, 8 former)

●NSdrew.ns.cloudflare.com2026-05-29 → 2026-08-03 · 3 obs

○ 2017-04-19 08:15:42
● 2026-05-29 13:48:16
● 2026-08-03 04:04:18

●NSmariah.ns.cloudflare.com2026-05-29 → 2026-08-03 · 3 obs

○ 2017-04-19 08:15:42
● 2026-05-29 13:48:16
● 2026-08-03 04:04:18

○NSns.udag.de2015-09-23 → 2017-04-19 · 5 obs

○ 2015-05-10 04:53:58
● 2015-09-23 22:41:26
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

○NSns.udag.net2015-09-23 → 2017-04-19 · 5 obs

○ 2015-05-10 04:53:58
● 2015-09-23 22:41:26
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

○NSns.udag.org2015-09-23 → 2017-04-19 · 5 obs

○ 2015-05-10 04:53:58
● 2015-09-23 22:41:26
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

○NSns.udagdns.de2015-05-10 → 2015-05-10 · 3 obs

● 2015-05-10 04:53:58
○ 2015-09-23 22:41:26
○ 2026-08-03 04:04:18

○NSns.udagdns.net2015-05-10 → 2015-05-10 · 3 obs

● 2015-05-10 04:53:58
○ 2015-09-23 22:41:26
○ 2026-08-03 04:04:18

○MXalt1.aspmx.l.google.com2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 04:53:58
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

○MXaspmx.l.google.com2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 04:53:58
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

●A104.21.56.2412026-05-29 → 2026-08-03 · 3 obs

○ 2017-04-19 08:15:42
● 2026-05-29 13:48:16
● 2026-08-03 04:04:18

●A172.67.138.1132026-05-29 → 2026-08-03 · 3 obs

○ 2017-04-19 08:15:42
● 2026-05-29 13:48:16
● 2026-08-03 04:04:18

○A188.94.254.842015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 04:53:58
● 2017-04-19 08:15:42
○ 2026-05-29 13:48:16
○ 2026-08-03 04:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
bildungsstifter.de	mariah.ns.cloudflare.com, drew.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.160

NS records: mariah.ns.cloudflare.com, drew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bildungsstifter.de (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.113, 104.21.56.241`
NS	2	`drew.ns.cloudflare.com, mariah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`drew.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

bildungsstifter.de points to the IP addresses 104.21.56.241 and 172.67.138.113

aidha.org, institutometropolitanodechiapas.edu.mx, l2exp.com and two other host names share IP numbers with bildungsstifter.de.

Name Servers

The NS records for bildungsstifter.de delegate to drew.ns.cloudflare.com and mariah.ns.cloudflare.com.

bildungsstifter.de uses the same name servers as several other domains — among them schriftstellerverzeichnis.de, bmfa.de, vahu.de and two more.

At least some of bildungsstifter.de's name servers are shared with other domains, for example fanelf.tv, nclex-review.com, dramendralux.shop and two more.

Hostnames that resolve to 6 IP addresses:

drew.ns.cloudflare.com maps to 108.162.193.160, 172.64.33.160, 173.245.59.160 and 3 additional IP addresses.

mariah.ns.cloudflare.com maps to 108.162.194.200, 162.159.38.200, 172.64.34.200 and 3 additional IP addresses.

bildungsstifter.de - robtex.com