mail.efficientminds.de - dns.ninja

mail.efficientminds.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1a65🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:87da🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.101Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.218🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.101, 172.67.135.218
IPv6 hints2606:4700:3033::6815:1a65, 2606:4700:3037::ac43:87da
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com

efficientminds.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1a65🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:87da🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.101Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.218🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
NSroxy.ns.cloudflare.com
MXmail.efficientminds.de ⭐
MXmxe830.netcup.net(50)
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.101, 172.67.135.218
IPv6 hints2606:4700:3033::6815:1a65, 2606:4700:3037::ac43:87da
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2408681011

MX for

efficientminds.de

Same first word

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DNS History

11 records (4 active, 7 former)

A104.21.26.101172.67.135.2182606:4700:3033::6815:1a652606:4700:3037::ac43:87da188.114.96.0188.114.97.0202.61.232.482606:4700:3030::ac43:87da2606:4700:3037::6815:1a652a06:98c1:3120::2a06:98c1:3121::
●A104.21.26.1012026-04-05 → 2026-07-27 · 13 obs
○ 2026-02-26 16:57:06
● 2026-04-05 06:27:44
● 2026-04-24 16:32:40
○ 2026-05-04 17:46:30
○ 2026-05-07 15:31:32
● 2026-05-21 22:59:38
● 2026-05-29 11:32:32
○ 2026-06-02 07:24:44
● 2026-06-12 09:10:12
● 2026-06-16 02:14:50
○ 2026-06-17 21:50:12
● 2026-07-25 20:16:00
● 2026-07-27 03:02:10
●A172.67.135.2182026-04-05 → 2026-07-27 · 13 obs
○ 2026-02-26 16:57:06
● 2026-04-05 06:27:44
● 2026-04-24 16:32:40
○ 2026-05-04 17:46:30
○ 2026-05-07 15:31:32
● 2026-05-21 22:59:38
● 2026-05-29 11:32:32
○ 2026-06-02 07:24:44
● 2026-06-12 09:10:12
● 2026-06-16 02:14:50
○ 2026-06-17 21:50:12
● 2026-07-25 20:16:00
● 2026-07-27 03:02:10
○A188.114.96.02026-05-04 → 2026-06-17 · 11 obs
○ 2026-04-24 16:32:40
● 2026-05-04 17:46:30
● 2026-05-07 15:31:32
○ 2026-05-21 22:59:38
○ 2026-05-29 11:32:32
● 2026-06-02 07:24:44
○ 2026-06-12 09:10:12
○ 2026-06-16 02:14:50
● 2026-06-17 21:50:12
○ 2026-07-25 20:16:00
○ 2026-07-27 03:02:10
○A188.114.97.02026-05-04 → 2026-06-17 · 11 obs
○ 2026-04-24 16:32:40
● 2026-05-04 17:46:30
● 2026-05-07 15:31:32
○ 2026-05-21 22:59:38
○ 2026-05-29 11:32:32
● 2026-06-02 07:24:44
○ 2026-06-12 09:10:12
○ 2026-06-16 02:14:50
● 2026-06-17 21:50:12
○ 2026-07-25 20:16:00
○ 2026-07-27 03:02:10
○A202.61.232.482026-02-18 → 2026-02-26 · 4 obs
● 2026-02-18 17:56:32
● 2026-02-26 16:57:06
○ 2026-04-05 06:27:44
○ 2026-07-27 03:02:10
○A2606:4700:3030::ac43:87da2026-04-05 → 2026-06-16 · 12 obs
○ 2026-02-26 16:57:06
● 2026-04-05 06:27:44
● 2026-04-24 16:32:40
○ 2026-05-04 17:46:30
○ 2026-05-07 15:31:32
● 2026-05-21 22:59:38
● 2026-05-29 11:32:32
○ 2026-06-02 07:24:44
● 2026-06-12 09:10:12
● 2026-06-16 02:14:50
○ 2026-06-17 21:50:12
○ 2026-07-27 03:02:10
●A2606:4700:3033::6815:1a652026-07-25 → 2026-07-27 · 3 obs
○ 2026-06-17 21:50:12
● 2026-07-25 20:16:00
● 2026-07-27 03:02:10
○A2606:4700:3037::6815:1a652026-04-05 → 2026-06-16 · 12 obs
○ 2026-02-26 16:57:06
● 2026-04-05 06:27:44
● 2026-04-24 16:32:40
○ 2026-05-04 17:46:30
○ 2026-05-07 15:31:32
● 2026-05-21 22:59:38
● 2026-05-29 11:32:32
○ 2026-06-02 07:24:44
● 2026-06-12 09:10:12
● 2026-06-16 02:14:50
○ 2026-06-17 21:50:12
○ 2026-07-27 03:02:10
●A2606:4700:3037::ac43:87da2026-07-25 → 2026-07-27 · 3 obs
○ 2026-06-17 21:50:12
● 2026-07-25 20:16:00
● 2026-07-27 03:02:10
○A2a06:98c1:3120::2026-05-04 → 2026-06-17 · 11 obs
○ 2026-04-24 16:32:40
● 2026-05-04 17:46:30
● 2026-05-07 15:31:32
○ 2026-05-21 22:59:38
○ 2026-05-29 11:32:32
● 2026-06-02 07:24:44
○ 2026-06-12 09:10:12
○ 2026-06-16 02:14:50
● 2026-06-17 21:50:12
○ 2026-07-25 20:16:00
○ 2026-07-27 03:02:10
○A2a06:98c1:3121::2026-05-04 → 2026-06-17 · 11 obs
○ 2026-04-24 16:32:40
● 2026-05-04 17:46:30
● 2026-05-07 15:31:32
○ 2026-05-21 22:59:38
○ 2026-05-29 11:32:32
● 2026-06-02 07:24:44
○ 2026-06-12 09:10:12
○ 2026-06-16 02:14:50
● 2026-06-17 21:50:12
○ 2026-07-25 20:16:00
○ 2026-07-27 03:02:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
efficientminds.deroxy.ns.cloudflare.com, brett.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.76

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: 543ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.101, 172.67.135.218
AAAA22606:4700:3037::ac43:87da, 2606:4700:3033::6815:1a65
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

The mail server mail.efficientminds.de processes email for efficientminds.de.

mxe830.netcup.net is often seen acting as a mail server in combination with mail.efficientminds.de.

IP Addresses

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

Two other host names, along with ebeddingsets.com, czechcasting.com and epam.mx, also share IP numbers with mail.efficientminds.de.