`blumensteinschule.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1086::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w86.rzone.de`
A	81.169.145.86^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades15.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:142^{🇺🇸 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	`shades15.rzone.de`
		A	185.132.34.142^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades15.rzone.de`
NS	`docks02.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
		A	217.160.80.129^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`shades15.rzone.de`hostmaster@strato-rz.de 2020-06-15 #23

`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=1774627822

Same first word

blumensteinschule.de

blumensteinschule.com

DNS History

8 records (5 active, 3 former)

●NSdocks02.rzone.de2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 11:49:30
● 2026-03-27 16:15:38

●NSshades15.rzone.de2016-12-16 → 2026-03-27 · 2 obs

● 2016-12-16 11:49:30
● 2026-03-27 16:15:38

○MXsmtp.rzone.de2016-12-16 → 2017-12-26 · 4 obs

● 2016-12-16 11:49:30
● 2017-12-26 13:52:08
○ 2026-03-20 12:20:10
○ 2026-03-27 16:15:38

●MXsmtpin.rzone.de2026-03-20 → 2026-03-27 · 3 obs

○ 2017-12-26 13:52:08
● 2026-03-20 12:20:10
● 2026-03-27 16:15:38

●A2a01:238:20a:202:1086::2026-03-20 → 2026-03-27 · 3 obs

○ 2017-12-26 13:52:08
● 2026-03-20 12:20:10
● 2026-03-27 16:15:38

○A2a01:238:20a:202:1159::2016-12-16 → 2017-12-26 · 4 obs

● 2016-12-16 11:49:30
● 2017-12-26 13:52:08
○ 2026-03-20 12:20:10
○ 2026-03-27 16:15:38

○A81.169.145.1592016-12-16 → 2017-12-26 · 4 obs

● 2016-12-16 11:49:30
● 2017-12-26 13:52:08
○ 2026-03-20 12:20:10
○ 2026-03-27 16:15:38

●A81.169.145.862026-03-20 → 2026-03-27 · 3 obs

○ 2017-12-26 13:52:08
● 2026-03-20 12:20:10
● 2026-03-27 16:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
blumensteinschule.com	docks02.rzone.de, shades15.rzone.de	-

✅ Authoritative Response

Server:217.160.80.129

NS records: docks02.rzone.de, shades15.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blumensteinschule.com (unsigned zone)

⏱️ Timing

Total: 560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.86`
AAAA	1	`2a01:238:20a:202:1086::`
NS	2	`shades15.rzone.de, docks02.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades15.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

blumensteinschule.com points to two IPs: 2a01:238:20a:202:1086:: and 81.169.145.86.

Other host names, for instance portofino-hotel.eu, gse-shop.de, mabro.fr, ecpo-ernst.de and mc-fineart.de share IP numbers with blumensteinschule.com.

Name Servers

Two name servers docks02.rzone.de and shades15.rzone.de are delegated to blumensteinschule.com.

blumensteinschule.com uses the same name server configuration as other domains, such as post-im.net, puramanagement.com, rifeshop.com, pflegeunion.de and stellamaria.de.

blumensteinschule.com at least partially shares name servers with other domains such as aatelier.eu, hvs24.com, haus-norderiff.de, xn--husl-loa.com and juliana-de-souza.com.

These name servers are often used together with shades16.rzone.de, docks08.rzone.de, shades07.rzone.de, shades17.rzone.de, docks01.rzone.de, docks16.rzone.de, docks17.rzone.de, shades12.rzone.de, shades06.rzone.de and shades10.rzone.de.

Host names with two IPs:

docks02.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:2 and 217.160.80.129.

shades15.rzone.de points to 2607:f1c0:fe:53:185:132:34:142 and 185.132.34.142.

Mail Servers

blumensteinschule.com is handled by a single mail server, smtpin.rzone.de.

blumensteinschule.com shares the same mail server setup as other domains, including cam01.isdf.net, abrelataschino.net, mobile-recruiting.mobi, sofa.business and startup-netzwerk.de.

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

blumensteinschule.com - robtex.com