`business-optimizer.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1149::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.149^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades14.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:141^{🇺🇸 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	`shades14.rzone.de`
		A	185.132.34.141^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades14.rzone.de`
NS	`docks17.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:17^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks17.rzone.de`
		A	217.160.80.144^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks17.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	`shades14.rzone.de`hostmaster@strato-rz.de 2023-10-23 #14

`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=1778671866

Same first word

business-optimizer.com

business-optimizer.dk

DNS History

9 records (5 active, 4 former)

●NSdocks17.rzone.de2026-04-07 → 2026-05-13 · 3 obs

○ 2018-12-11 21:27:20
● 2026-04-07 15:55:46
● 2026-05-13 11:42:54

○NSns1.hans.hosteurope.de2015-06-16 → 2018-12-11 · 4 obs

● 2015-06-16 02:31:14
● 2018-12-11 21:27:20
○ 2026-04-07 15:55:46
○ 2026-05-13 11:42:54

○NSns2.hans.hosteurope.de2015-06-16 → 2018-12-11 · 4 obs

● 2015-06-16 02:31:14
● 2018-12-11 21:27:20
○ 2026-04-07 15:55:46
○ 2026-05-13 11:42:54

●NSshades14.rzone.de2026-04-07 → 2026-05-13 · 3 obs

○ 2018-12-11 21:27:20
● 2026-04-07 15:55:46
● 2026-05-13 11:42:54

○MXmx0.business-optimizer.com2015-06-16 → 2018-12-11 · 4 obs

● 2015-06-16 02:31:14
● 2018-12-11 21:27:20
○ 2026-04-07 15:55:46
○ 2026-05-13 11:42:54

●MXsmtpin.rzone.de2026-04-07 → 2026-05-13 · 3 obs

○ 2018-12-11 21:27:20
● 2026-04-07 15:55:46
● 2026-05-13 11:42:54

●A2a01:238:20a:202:1149::2026-04-07 → 2026-05-13 · 3 obs

○ 2018-12-11 21:27:20
● 2026-04-07 15:55:46
● 2026-05-13 11:42:54

○A78.41.116.1032015-06-16 → 2018-12-11 · 4 obs

● 2015-06-16 02:31:14
● 2018-12-11 21:27:20
○ 2026-04-07 15:55:46
○ 2026-05-13 11:42:54

●A81.169.145.1492026-04-07 → 2026-05-13 · 3 obs

○ 2018-12-11 21:27:20
● 2026-04-07 15:55:46
● 2026-05-13 11:42:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
business-optimizer.com	shades14.rzone.de, docks17.rzone.de	-

✅ Authoritative Response

Server:217.160.80.144

NS records: shades14.rzone.de, docks17.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for business-optimizer.com (unsigned zone)

⏱️ Timing

Total: 1204ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.149`
AAAA	1	`2a01:238:20a:202:1149::`
NS	2	`docks17.rzone.de, shades14.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades14.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

Two IP numbers are pointed to by business-optimizer.com: 2a01:238:20a:202:1149:: and 81.169.145.149.

other host names include 321link.de, it-service-ulm.com, kreinbihl.de, texelsadministratief.nl and mx.52140920.xy.strato-hosting.eu; they share IP numbers with business-optimizer.com.

Name Servers

Two name servers docks17.rzone.de and shades14.rzone.de handle the delegation for business-optimizer.com.

business-optimizer.com shares the same name server setup as other domains, for instance jagdschule-im-saarland.de, nanoloop.de, treffen-soltau.de, edvtec.info and majella.nl.

business-optimizer.com at least partially shares name servers with other domains, for instance simple-sample.de, beckedorff.com, atterdal.de, ma-angebote.de and klawiter-hausbau.de.

these name servers are commonly used with docks12.rzone.de, shades11.rzone.de, shades12.rzone.de, docks15.rzone.de, shades08.rzone.de, shades02.rzone.de, docks02.rzone.de, shades06.rzone.de, shades15.rzone.de and shades17.rzone.de.

Host names with two IP numbers:

docks17.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:17 and 217.160.80.144.

shades14.rzone.de points to 2607:f1c0:fe:53:185:132:34:141 and 185.132.34.141.

Mail Servers

business-optimizer.com is handled by a single mail server, smtpin.rzone.de.

business-optimizer.com uses the same mail server setup as other domains, for instance riogrande.dbmg.de, watchup.de, sabinevt.de, sattler-net.de and khasani.com.

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

business-optimizer.com - robtex.com