`unix-tutorials.de`

DNSSEC	⚠️ Not signed
A	217.182.53.246^{🇫🇷 OVH217.182.0.0/16}
		PTR	`web1.higidi.com`
NS	`ns0.higidi.com` ⭐
		A	5.196.36.5^{🇫🇷 OVH5.196.0.0/16}
			PTR	`ip5.ip-5-196-36.eu`
NS	`sns.serverkompetenz.de`
		A	2001:8d8:fe:53:0:ac:73:6e73^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`sns.serverkompetenz.de`
		A	2607:f1c0:fe:53:185:132:35:250^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		A	185.132.35.250^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
		A	217.160.83.250^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`sns.serverkompetenz.de`
MX	`mx0.higidi.com` ⭐
		A	5.196.36.4^{🇫🇷 OVH5.196.0.0/16}
			PTR	`mailgateway.higidi.com`
MX	`srv09.higidi.com`⁽²⁰⁾
		A	178.254.41.87^{🇩🇪 EVANZOAS178.254.32.0/20 DE-EVANZO-MK}
			PTR	`v80914.1blu.de`
TXT	`v=spf1 mx include:_spf.eu.sparkpostmail.com`
SOA	`ns0.higidi.com`daniel@higidi.de 2026-03-24 #2

`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=1774400384

Same first word

unix-tutorials.de

unix-tutorials.com

DNS History

7 records (5 active, 2 former)

●NSns0.higidi.com2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 13:38:58
● 2026-03-25 01:12:50

●NSsns.serverkompetenz.de2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 13:38:58
● 2026-03-25 01:12:50

●MXmx0.higidi.com2015-08-10 → 2026-03-25 · 2 obs

● 2015-08-10 13:38:58
● 2026-03-25 01:12:50

●MXsrv09.higidi.com2017-03-25 → 2026-03-25 · 3 obs

○ 2015-08-10 13:38:58
● 2017-03-25 12:24:32
● 2026-03-25 01:12:50

●A217.182.53.2462026-03-05 → 2026-03-25 · 3 obs

○ 2020-01-18 16:48:48
● 2026-03-05 02:47:18
● 2026-03-25 01:12:50

○A5.196.36.52017-03-25 → 2020-01-18 · 5 obs

○ 2016-07-08 18:13:58
● 2017-03-25 12:24:32
● 2020-01-18 16:48:48
○ 2026-03-05 02:47:18
○ 2026-03-25 01:12:50

○A80.82.223.1812015-08-10 → 2016-07-08 · 4 obs

● 2015-08-10 13:38:58
● 2016-07-08 18:13:58
○ 2017-03-25 12:24:32
○ 2026-03-25 01:12:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
unix-tutorials.de	ns0.higidi.com, sns.serverkompetenz.de	-

✅ Authoritative Response

Server:217.160.83.250

NS records: ns0.higidi.com, sns.serverkompetenz.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unix-tutorials.de (unsigned zone)

⏱️ Timing

Total: 1202ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.182.53.246`
NS	2	`ns0.higidi.com, sns.serverkompetenz.de`
MX	2	`srv09.higidi.com (pri: 20), mx0.higidi.com (pri: 10)`
TXT	1	`v=spf1 mx include:_spf.eu.sparkpostmail.`
SOA	1	`ns0.higidi.com daniel.higidi.de`

Analysis

IP Addresses

unix-tutorials.de points to a single IP address: 217.182.53.246.

Other host names such as higidi.com, webrelease.de, higidi.org, web1.higidi.com and theissen-objektbetreuung.com share IPs with unix-tutorials.de.

Name Servers

Two name servers ns0.higidi.com and sns.serverkompetenz.de handle the delegation for unix-tutorials.de.

The name server setup for unix-tutorials.de is the same as that used by other domains, for instance higidi.com, webrelease.de, higidi.org and theissen-objektbetreuung.com.

unix-tutorials.de at least partially shares name servers with other domains, for example stefan-reichl.de, haddl.de, mi-dom.de, bootparts24.de and kraftzeitung.net.

These name servers are often used with ns1.flocom.net, h2957601.stratoserver.net, vsc1.singerit.net, ns.viaregio-services.de and ns4.nics-online.de.

Host names with four IP numbers:

The host name sns.serverkompetenz.de points to 2001:8d8:fe:53:0:ac:73:6e73, 2607:f1c0:fe:53:185:132:35:250, 185.132.35.250 and 217.160.83.250.

Host names with one IP number:

The host name ns0.higidi.com points to 5.196.36.5.

Mail Servers

Two mail servers handle unix-tutorials.de: mx0.higidi.com and srv09.higidi.com.

unix-tutorials.de shares the same mail server setup as other domains, for instance higidi.com, webrelease.de, higidi.org and theissen-objektbetreuung.com.

Host names with one IP number:

mx0.higidi.com points to 5.196.36.4; srv09.higidi.com points to 178.254.41.87.

unix-tutorials.de - robtex.com