doppelblock.de - dns.ninja

`doppelblock.de`

DNSSEC	⚠️ Not signed
A	217.160.255.241^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`mail.chs.cloud`
NS	`nsa9.schlundtech.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`nsb9.schlundtech.de`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`nsc9.schlundtech.de`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`nsd9.schlundtech.de`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`chs.cloud` ⭐
		A	212.227.208.149^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mail.chs.cloud`
SOA	`nsa9.schlundtech.de`hoell\@christoph.googlemail.com 2023-03-30 #0

`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=1785954728

Same first word

doppelblock.de

DNS History

9 records (6 active, 3 former)

●NSnsa9.schlundtech.de2015-06-28 → 2026-08-05 · 2 obs

● 2015-06-28 11:30:24
● 2026-08-05 18:45:42

●NSnsb9.schlundtech.de2015-06-28 → 2026-08-05 · 2 obs

● 2015-06-28 11:30:24
● 2026-08-05 18:45:42

●NSnsc9.schlundtech.de2015-06-28 → 2026-08-05 · 2 obs

● 2015-06-28 11:30:24
● 2026-08-05 18:45:42

●NSnsd9.schlundtech.de2015-06-28 → 2026-08-05 · 2 obs

● 2015-06-28 11:30:24
● 2026-08-05 18:45:42

●MXchs.cloud2016-05-07 → 2026-08-05 · 3 obs

○ 2016-01-24 00:40:04
● 2016-05-07 05:55:48
● 2026-08-05 18:45:42

○MXhoellundsehn.de2015-06-28 → 2016-01-24 · 4 obs

● 2015-06-28 11:30:24
● 2016-01-24 00:40:04
○ 2016-05-07 05:55:48
○ 2026-08-05 18:45:42

○A212.227.89.722016-05-07 → 2018-01-03 · 5 obs

○ 2016-01-24 00:40:04
● 2016-05-07 05:55:48
● 2018-01-03 00:49:50
○ 2026-02-23 17:10:22
○ 2026-08-05 18:45:42

●A217.160.255.2412026-02-23 → 2026-08-05 · 3 obs

○ 2018-01-03 00:49:50
● 2026-02-23 17:10:22
● 2026-08-05 18:45:42

○A82.165.39.1532015-06-28 → 2016-01-24 · 4 obs

● 2015-06-28 11:30:24
● 2016-01-24 00:40:04
○ 2016-05-07 05:55:48
○ 2026-08-05 18:45:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
doppelblock.de	nsd9.schlundtech.de, nsc9.schlundtech.de, nsa9.schlundtech.de, nsb9.schlundtech.de	-

✅ Authoritative Response

Server:185.132.35.227

NS records: nsd9.schlundtech.de, nsc9.schlundtech.de, nsa9.schlundtech.de, nsb9.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doppelblock.de (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.255.241`
NS	4	`nsb9.schlundtech.de, nsd9.schlundtech.de...`
MX	1	`chs.cloud (pri: 10)`
SOA	1	`nsa9.schlundtech.de hoell\.christoph.goo`

Analysis

IP Addresses

doppelblock.de resolves to one IP address: 217.160.255.241.

www.chsmail.de, mail.keine-panik.net, brastudio.de and two other host names share IP numbers with doppelblock.de.

Name Servers

The authoritative name servers for doppelblock.de are nsa9.schlundtech.de, nsb9.schlundtech.de, nsc9.schlundtech.de and nsd9.schlundtech.de.

There is at least partial name server overlap between doppelblock.de and other domains — mlsnapps.com, ps-soft.de, blackbrownwhite.at and two more among them.

All four hostnames — nsa9.schlundtech.de, nsb9.schlundtech.de, nsc9.schlundtech.de and nsd9.schlundtech.de — resolve to two IP numbers apiece: nsa9.schlundtech.de to 185.132.34.227 and 2607:f1c0:fe:53:185:132:34:227; nsb9.schlundtech.de to 185.132.35.227 and 2607:f1c0:fe:53:185:132:35:227; nsc9.schlundtech.de to 217.160.80.227 and 2001:8d8:fe:53:217:160:80:227; nsd9.schlundtech.de to 217.160.81.227 and 2001:8d8:fe:53:217:160:81:227.

Mail Servers

Mail for doppelblock.de is handled by a single mail server, chs.cloud.

doppelblock.de uses an identical mail server configuration to several other domains — among them saardocs.de, beachplatz.de, deltamail.de and two more.

chs.cloud carries a single IP number, which is 212.227.208.149.