`efficient-projects.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:23de^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b43d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.222^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.61^{🇺🇸 Cloudflare172.67.176.0/20 , 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.efficient-projects.de` ⭐
		A	2a03:4000:30:5d81::12:4035^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
		A	188.68.47.217^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`a2fd9.netcup.net`
MX	`mx2fdb.netcup.net`⁽⁵⁰⁾
		A	2a03:4000:0:356:34db:bdff:fe18:d342^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`mx2fdb.netcup.net`
		A	188.68.47.219^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`mx2fdb.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.222, 172.67.180.61
		IPv6 hints	2606:4700:3034::6815:23de, 2606:4700:3037::ac43:b43d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2402135845

`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=1777340875

Subdomains

mail.efficient-projects.de

Same first word

efficient-projects.de

DNS History

12 records (8 active, 4 former)

●NSbrett.ns.cloudflare.com2026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

○NSns5.kasserver.com2015-06-18 → 2017-04-09 · 4 obs

● 2015-06-18 16:31:36
● 2017-04-09 14:34:50
○ 2026-04-24 19:51:46
○ 2026-04-28 01:59:50

○NSns6.kasserver.com2015-06-18 → 2017-04-09 · 4 obs

● 2015-06-18 16:31:36
● 2017-04-09 14:34:50
○ 2026-04-24 19:51:46
○ 2026-04-28 01:59:50

●NSroxy.ns.cloudflare.com2026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

●MXmail.efficient-projects.de2015-06-18 → 2026-04-28 · 5 obs

● 2015-06-18 16:31:36
● 2016-07-08 23:54:38
○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

●MXmx2fdb.netcup.net2026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

○MXw0107001.kasserver.com2017-04-09 → 2017-04-09 · 4 obs

○ 2016-07-08 23:54:38
● 2017-04-09 14:34:50
○ 2026-04-24 19:51:46
○ 2026-04-28 01:59:50

●A104.21.35.2222026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

●A172.67.180.612026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

●A2606:4700:3034::6815:23de2026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

●A2606:4700:3037::ac43:b43d2026-04-24 → 2026-04-28 · 3 obs

○ 2017-04-09 14:34:50
● 2026-04-24 19:51:46
● 2026-04-28 01:59:50

○A85.13.144.1742015-06-18 → 2017-04-09 · 4 obs

● 2015-06-18 16:31:36
● 2017-04-09 14:34:50
○ 2026-04-24 19:51:46
○ 2026-04-28 01:59:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, f.nic.de, a.nic.de	-
efficient-projects.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 efficient-projects.de (unsigned zone)

⏱️ Timing

Total: 1081ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.180.61, 104.21.35.222`
AAAA	2	`2606:4700:3034::6815:23de, 2606:4700:3037::ac43:b43d`
NS	2	`brett.ns.cloudflare.com, roxy.ns.cloudflare.com`
MX	2	`mail.efficient-projects.de (pri: 10), mx2fdb.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

efficient-projects.de is the parent of mail.efficient-projects.de.

IP Addresses

Four IP numbers are pointed to by efficient-projects.de: 2606:4700:3034::6815:23de, 2606:4700:3037::ac43:b43d, 104.21.35.222 and 172.67.180.61.

other host names including www.decoratingadvice.co.uk, worldmapmaker.com, my.zklad.info, eofys.com and x-file.org share IP numbers with efficient-projects.de.

Name Servers

efficient-projects.de is delegated to two name servers brett.ns.cloudflare.com and roxy.ns.cloudflare.com.

efficient-projects.de shares the same name server setup as other domains, for instance mobu.co, tazkere.org, styleplannr.de, manualdosgames.com and mobuco.info.

efficient-projects.de at least partially shares name servers with other domains, for instance meetic.com, cuppocoffee.com, sinnersfollower.com, inccrra.org and rezeptionist.com.

these name servers are often used together with lee.ns.cloudflare.com, jade.ns.cloudflare.com, erin.ns.cloudflare.com and woz.ns.cloudflare.com.

Host names with six IP numbers:

Host name brett.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4c, 2803:f800:50::6ca2:c14c, 2a06:98c1:50::ac40:214c, 108.162.193.76, 172.64.33.76 and 173.245.59.76.

Host name roxy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8e, 2803:f800:50::6ca2:c08e, 2a06:98c1:50::ac40:208e, 108.162.192.142, 172.64.32.142 and 173.245.58.142.

Mail Servers

Two mail servers handle efficient-projects.de: mail.efficient-projects.de and mx2fdb.netcup.net.

efficient-projects.de shares some mail servers with other domains, at least partially, for instance oberstieg.de, da-krause.de, dago-koblenzer.de, christoph-schreiber.de and cux360.de.

Host names with two IP numbers:

The host name mail.efficient-projects.de points to 2a03:4000:30:5d81::12:4035 and 188.68.47.217; the host name mx2fdb.netcup.net points to 2a03:4000:0:356:34db:bdff:fe18:d342 and 188.68.47.219.

efficient-projects.de - robtex.com