`koob-scolitech.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1161::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`wa1.rzone.de`
A	81.169.145.161^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades03.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:130^{🇺🇸 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	`shades03.rzone.de`
		A	185.132.34.130^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades03.rzone.de`
NS	`docks19.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:19^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks19.rzone.de`
		A	217.160.80.146^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks19.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`shades03.rzone.de`hostmaster@strato-rz.de 2020-05-13 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774418422

Previously MX for

koob-scolitech.com

Same first word

koob-scolitech.com

DNS History

12 records (5 active, 7 former)

○NSdns1.e-surf.pl2008-03-15 → 2020-02-18 · 4 obs

● 2008-03-15 07:52:46
● 2020-02-18 20:51:26
○ 2026-03-13 11:04:56
○ 2026-03-25 06:26:48

○NSdns2.e-surf.pl2008-03-15 → 2020-02-18 · 4 obs

● 2008-03-15 07:52:46
● 2020-02-18 20:51:26
○ 2026-03-13 11:04:56
○ 2026-03-25 06:26:48

●NSdocks19.rzone.de2026-03-13 → 2026-03-25 · 3 obs

○ 2020-02-18 20:51:26
● 2026-03-13 11:04:56
● 2026-03-25 06:26:48

●NSshades03.rzone.de2026-03-13 → 2026-03-25 · 3 obs

○ 2020-02-18 20:51:26
● 2026-03-13 11:04:56
● 2026-03-25 06:26:48

○MXkoob-scolitech.com2015-05-05 → 2020-02-18 · 5 obs

○ 2008-03-15 07:52:46
● 2015-05-05 05:13:24
● 2020-02-18 20:51:26
○ 2026-03-13 11:04:56
○ 2026-03-25 06:26:48

○MXmail.koob-scolitech.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:52:46
○ 2015-05-05 05:13:24
○ 2026-03-25 06:26:48

○MXmailtp.e-surf.pl2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:52:46
○ 2015-05-05 05:13:24
○ 2026-03-25 06:26:48

●MXsmtpin.rzone.de2026-03-13 → 2026-03-25 · 3 obs

○ 2020-02-18 20:51:26
● 2026-03-13 11:04:56
● 2026-03-25 06:26:48

○A194.169.227.332008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:52:46
○ 2015-05-05 05:13:24
○ 2026-03-25 06:26:48

●A2a01:238:20a:202:1161::2026-03-13 → 2026-03-25 · 3 obs

○ 2020-02-18 20:51:26
● 2026-03-13 11:04:56
● 2026-03-25 06:26:48

●A81.169.145.1612026-03-13 → 2026-03-25 · 3 obs

○ 2020-02-18 20:51:26
● 2026-03-13 11:04:56
● 2026-03-25 06:26:48

○A91.208.190.1032015-05-05 → 2020-02-18 · 5 obs

○ 2008-03-15 07:52:46
● 2015-05-05 05:13:24
● 2020-02-18 20:51:26
○ 2026-03-13 11:04:56
○ 2026-03-25 06:26:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
koob-scolitech.com	shades03.rzone.de, docks19.rzone.de	-

✅ Authoritative Response

Server:217.160.80.146

NS records: shades03.rzone.de, docks19.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koob-scolitech.com (unsigned zone)

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.161`
AAAA	1	`2a01:238:20a:202:1161::`
NS	2	`shades03.rzone.de, docks19.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades03.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

koob-scolitech.com resolves to two IP numbers: 2a01:238:20a:202:1161:: and 81.169.145.161.

Other host names, for instance gasthaus-waldeck.de, pruig.nl, christian-meinert.com, ck-s.eu and liebersee.de share IP numbers with koob-scolitech.com.

Name Servers

Two name servers docks19.rzone.de and shades03.rzone.de handle delegation for koob-scolitech.com.

koob-scolitech.com uses the same name server setup as other domains, for example infofk.de, bendixen.nu, concrete-art.studio, festivalist.de and huphter.nl.

koob-scolitech.com partially shares name servers with other domains; examples include sensomotorikzentrum-frankfurt.de, frauenrath.org, geleijns.eu, bentes-pferdeosteotherapie.com and big-world.de.

These name servers are commonly used alongside docks10.rzone.de, shades02.rzone.de, shades16.rzone.de, shades19.rzone.de, shades01.rzone.de, shades10.rzone.de, docks06.rzone.de, docks14.rzone.de, docks03.rzone.de and docks11.rzone.de.

Host names with two IP numbers:

docks19.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:19 and 217.160.80.146

shades03.rzone.de points to: 2607:f1c0:fe:53:185:132:34:130 and 185.132.34.130

Mail Servers

koob-scolitech.com is handled by a single mail server, smtpin.rzone.de.

koob-scolitech.com has the same mail server setup as other domains, including in-box.at, cr-art.net, hotel-vogtland.com, pccimweb.de and robutec.de.

Some mail servers are shared between koob-scolitech.com and other domains, for example krabs.eu.

Host smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

koob-scolitech.com - robtex.com