efficientminds.de - dns.ninja

`efficientminds.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1a65^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:87da^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.101^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.218^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brett.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brett.ns.cloudflare.com`
		A	108.162.193.76^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	172.64.33.76^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	173.245.59.76^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
NS	`roxy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roxy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roxy.ns.cloudflare.com`
		A	108.162.192.142^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	172.64.32.142^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	173.245.58.142^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
MX	`mail.efficientminds.de` ⭐
		A	2606:4700:3033::6815:1a65^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2606:4700:3037::ac43:87da^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	104.21.26.101^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.135.218^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mxe830.netcup.net`⁽⁵⁰⁾
		A	2a03:4000:0:4d5:814:21ff:fe7b:252a^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`mxe830.netcup.net`
		A	202.61.232.48^{🇩🇪 netcup-AS202.61.232.0/24}
			PTR	`mxe830.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.101, 172.67.135.218
		IPv6 hints	2606:4700:3033::6815:1a65, 2606:4700:3037::ac43:87da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2408681011

`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=1785010179

Subdomains

mail.efficientminds.de

Same first word

efficientminds.de

DNS History

17 records (8 active, 9 former)

●NSbrett.ns.cloudflare.com2026-04-29 → 2026-07-25 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
● 2026-07-25 20:16:00

○NSroot-dns.netcup.net2026-02-18 → 2026-02-26 · 4 obs

● 2026-02-18 15:54:30
● 2026-02-26 16:57:06
○ 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

●NSroxy.ns.cloudflare.com2026-04-29 → 2026-07-25 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
● 2026-07-25 20:16:00

○NSsecond-dns.netcup.net2026-02-18 → 2026-02-26 · 4 obs

● 2026-02-18 15:54:30
● 2026-02-26 16:57:06
○ 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

○NSthird-dns.netcup.net2026-02-18 → 2026-02-26 · 4 obs

● 2026-02-18 15:54:30
● 2026-02-26 16:57:06
○ 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

●MXmail.efficientminds.de2026-02-18 → 2026-07-25 · 2 obs

● 2026-02-18 15:54:30
● 2026-07-25 20:16:00

●MXmxe830.netcup.net2026-02-18 → 2026-07-25 · 2 obs

● 2026-02-18 15:54:30
● 2026-07-25 20:16:00

●A104.21.26.1012026-07-25 → 2026-07-25 · 2 obs

○ 2026-04-29 09:28:32
● 2026-07-25 20:16:00

●A172.67.135.2182026-07-25 → 2026-07-25 · 2 obs

○ 2026-04-29 09:28:32
● 2026-07-25 20:16:00

○A188.114.96.02026-04-29 → 2026-04-29 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

○A188.114.97.02026-04-29 → 2026-04-29 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

○A202.61.232.462026-02-18 → 2026-02-26 · 4 obs

● 2026-02-18 15:54:30
● 2026-02-26 16:57:06
○ 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

●A2606:4700:3033::6815:1a652026-07-25 → 2026-07-25 · 2 obs

○ 2026-04-29 09:28:32
● 2026-07-25 20:16:00

●A2606:4700:3037::ac43:87da2026-07-25 → 2026-07-25 · 2 obs

○ 2026-04-29 09:28:32
● 2026-07-25 20:16:00

○A2a03:4000:30:f5cf::16:40892026-02-18 → 2026-02-26 · 4 obs

● 2026-02-18 15:54:30
● 2026-02-26 16:57:06
○ 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

○A2a06:98c1:3120::2026-04-29 → 2026-04-29 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

○A2a06:98c1:3121::2026-04-29 → 2026-04-29 · 3 obs

○ 2026-02-26 16:57:06
● 2026-04-29 09:28:32
○ 2026-07-25 20:16:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
efficientminds.de	roxy.ns.cloudflare.com, brett.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.142

NS records: roxy.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficientminds.de (unsigned zone)

⏱️ Timing

Total: 663ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.101, 172.67.135.218`
AAAA	2	`2606:4700:3033::6815:1a65, 2606:4700:3037::ac43:87da`
NS	2	`brett.ns.cloudflare.com, roxy.ns.cloudflare.com`
MX	2	`mail.efficientminds.de (pri: 10), mxe830.netcup.net (pri: 50)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brett.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

The domain mail.efficientminds.de falls under the parent efficientminds.de.

IP Addresses

efficientminds.de directs to four IP numbers, which are 104.21.26.101, 172.67.135.218, 2606:4700:3033::6815:1a65 and 2606:4700:3037::ac43:87da.

www.ph62.net, obatu.com, www.czechcasting.com and two other host names share IP numbers with efficientminds.de.

Name Servers

Two name servers handle the delegation for efficientminds.de: brett.ns.cloudflare.com and roxy.ns.cloudflare.com.

efficientminds.de uses the same name servers as several other domains — among them voyagelog.com, spotmycar.de, dovecotefarmwine.com and two more.

At least some of efficientminds.de's name servers are shared with other domains, for example youthideathon.in, dfzdf54dxfgxdg66.pages.dev, strongetic.com and two more.

These name servers tend to be used in conjunction with the name servers cortney.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

brett.ns.cloudflare.com resolves to 108.162.193.76, 172.64.33.76 and 173.245.59.76 among others, with 3 other IP addresses in total.

roxy.ns.cloudflare.com resolves to 108.162.192.142, 172.64.32.142 and 173.245.58.142 among others, with 3 other IP addresses in total.

Mail Servers

Mail for efficientminds.de is handled by two mail servers — mail.efficientminds.de and mxe830.netcup.net.

efficientminds.de has at least partial mail server overlap with other domains such as ozolins.de, fensterproduzenten.de, cms-media.de and two more.

It is common to see these mail servers combined with the mail servers mail.ozolins.de, mail.fensterproduzenten.de and mail.cms-media.de.

Hosts that point to four IP numbers:

mail.efficientminds.de directs to 104.21.26.101, 172.67.135.218, 2606:4700:3033::6815:1a65 and 2606:4700:3037::ac43:87da.

Hostnames that resolve to two IP addresses:

mxe830.netcup.net resolves to two addresses: 202.61.232.48 and 2a03:4000:0:4d5:814:21ff:fe7b:252a.