`duttke.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:2d4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:81b4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.212^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.180^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arturo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arturo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arturo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arturo.ns.cloudflare.com`
		A	108.162.195.216^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arturo.ns.cloudflare.com`
		A	162.159.44.216^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arturo.ns.cloudflare.com`
		A	172.64.35.216^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arturo.ns.cloudflare.com`
NS	`cortney.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c057^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cortney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2057^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cortney.ns.cloudflare.com`
		A	108.162.192.87^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	172.64.32.87^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	173.245.58.87^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
MX	`spahr.uberspace.de` ⭐
		A	2a00:d0c0:200:0:b9:1a:9c:a0^{🇩🇪 UVENSYS2a00:d0c0:200::/48 JonasPasche}
			PTR	`spahr.uberspace.de`
		A	185.26.156.206^{🇩🇪 UVENSYS185.26.156.0/24 JonasPasche}
			PTR	`spahr.uberspace.de`
TXT	`brave-ledger-verification=55fa59689f7273abe7a400de4fba7f89468edbd676625ad587d...`
TXT	`google-site-verification=ARhEyyw7lgXF8Ndr8ogXBBBX8FVllvyIOm8gx0pH6cs`
TXT	`v=spf1 include:spf.uberspace.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.212, 172.67.129.180
		IPv6 hints	2606:4700:3037::6815:2d4, 2606:4700:3037::ac43:81b4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com
SOA	`arturo.ns.cloudflare.com`dns@cloudflare.com serial=2401015656

`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=1777216177

Same first word

duttke.com

duttke.de

DNS History

22 records (7 active, 15 former)

●NSarturo.ns.cloudflare.com2026-03-01 → 2026-04-26 · 3 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
● 2026-04-26 15:33:56

●NScortney.ns.cloudflare.com2026-03-01 → 2026-04-26 · 3 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
● 2026-04-26 15:33:56

○NSns1.domainoffensive.de2015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○NSns17.schlund.de2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 13:00:50
○ 2015-12-04 10:51:30
○ 2026-04-26 15:33:56

○NSns18.schlund.de2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 13:00:50
○ 2015-12-04 10:51:30
○ 2026-04-26 15:33:56

○NSns2.domainoffensive.de2015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○NSns3.domainoffensive.de2015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○MXmail.duttke.de2015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○MXmx00.schlund.de2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 13:00:50
○ 2015-12-04 10:51:30
○ 2026-04-26 15:33:56

○MXmx01.schlund.de2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 13:00:50
○ 2015-12-04 10:51:30
○ 2026-04-26 15:33:56

●MXspahr.uberspace.de2026-03-01 → 2026-04-26 · 3 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
● 2026-04-26 15:33:56

●A104.21.2.2122026-04-24 → 2026-04-26 · 3 obs

○ 2026-03-01 05:48:02
● 2026-04-24 18:34:44
● 2026-04-26 15:33:56

●A172.67.129.1802026-04-24 → 2026-04-26 · 3 obs

○ 2026-03-01 05:48:02
● 2026-04-24 18:34:44
● 2026-04-26 15:33:56

○A185.26.156.122015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○A188.114.96.02026-03-01 → 2026-03-01 · 4 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
○ 2026-04-24 18:34:44
○ 2026-04-26 15:33:56

○A188.114.97.02026-03-01 → 2026-03-01 · 4 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
○ 2026-04-24 18:34:44
○ 2026-04-26 15:33:56

○A212.227.240.1512015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 13:00:50
○ 2015-12-04 10:51:30
○ 2026-04-26 15:33:56

●A2606:4700:3037::6815:2d42026-04-24 → 2026-04-26 · 3 obs

○ 2026-03-01 05:48:02
● 2026-04-24 18:34:44
● 2026-04-26 15:33:56

●A2606:4700:3037::ac43:81b42026-04-24 → 2026-04-26 · 3 obs

○ 2026-03-01 05:48:02
● 2026-04-24 18:34:44
● 2026-04-26 15:33:56

○A2a00:d0c0:200:0:b9:1a:9c0c:1ec2015-12-04 → 2017-11-19 · 5 obs

○ 2015-08-13 13:00:50
● 2015-12-04 10:51:30
● 2017-11-19 22:10:54
○ 2026-03-01 05:48:02
○ 2026-04-26 15:33:56

○A2a06:98c1:3120::2026-03-01 → 2026-03-01 · 4 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
○ 2026-04-24 18:34:44
○ 2026-04-26 15:33:56

○A2a06:98c1:3121::2026-03-01 → 2026-03-01 · 4 obs

○ 2017-11-19 22:10:54
● 2026-03-01 05:48:02
○ 2026-04-24 18:34:44
○ 2026-04-26 15:33:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	s.de.net, a.nic.de, l.de.net, n.de.net...	-
duttke.de	arturo.ns.cloudflare.com, cortney.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.87

NS records: arturo.ns.cloudflare.com, cortney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duttke.de (unsigned zone)

⏱️ Timing

Total: 560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.2.212, 172.67.129.180`
AAAA	2	`2606:4700:3037::ac43:81b4, 2606:4700:3037::6815:2d4`
NS	2	`arturo.ns.cloudflare.com, cortney.ns.cloudflare.com`
MX	1	`spahr.uberspace.de (pri: 10)`
TXT	3	`brave-ledger-verification=55fa59689f7273, google-site-verification=ARhEyyw7lgXF8Nd...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arturo.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

Four IP numbers are pointed to by duttke.de: 2606:4700:3037::6815:2d4, 2606:4700:3037::ac43:81b4, 104.21.2.212 and 172.67.129.180.

other host names including pfaf.org, linkedinformula.it, www.bvivillarental.com, landingbird.mx and angha.cn share IP numbers with duttke.de.

Name Servers

duttke.de is delegated to two name servers arturo.ns.cloudflare.com and cortney.ns.cloudflare.com.

duttke.de shares the same name server setup as other domains, for instance nzfishfed.co.nz, wubusho.live, sjuled.com, sihuhub161.xyz and ssds39044sds.com.

duttke.de at least partially shares name servers with other domains, for instance 23chd.com, ahmedmaher.com, idsafety.com.br, lojacolaedecora.com.br and buepoint.com.

these name servers are commonly used alongside amy.ns.cloudflare.com.

Host names with six IP numbers:

Host name arturo.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd8, 2803:f800:50::6ca2:c3d8, 2a06:98c1:50::ac40:23d8, 108.162.195.216, 162.159.44.216 and 172.64.35.216.

Host name cortney.ns.cloudflare.com points to: 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87.

Mail Servers

duttke.de is handled by a single mail server, spahr.uberspace.de.

duttke.de shares the same mail server setup as other domains, for instance denzler.it, zeitwidrig.de, pipes.digital, musikverein-niederkirchen.de and cold.pink.

spahr.uberspace.de resolves to two IP numbers: 2a00:d0c0:200:0:b9:1a:9c:a0 and 185.26.156.206.

duttke.de - robtex.com

duttke.de

de

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`duttke.de`

`de`