`blue-architecture.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1165::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`wa5.rzone.de`
A	81.169.145.165^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks05.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:5^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks05.rzone.de`
		A	217.160.80.132^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks05.rzone.de`
NS	`shades20.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:147^{🇺🇸 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	`shades20.rzone.de`
		A	185.132.34.147^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades20.rzone.de`
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`
TXT	`v=spf1 include:spf.mailjet.com ?all`
SOA	`docks05.rzone.de`hostmaster@strato-rz.de 2020-05-08 #11

`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=1775942647

Subdomains

maildefer.blue-architecture.com

DNS History

7 records (5 active, 2 former)

●NSdocks05.rzone.de2015-05-31 → 2026-04-11 · 2 obs

● 2015-05-31 07:03:22
● 2026-04-11 21:45:52

●NSshades20.rzone.de2015-05-31 → 2026-04-11 · 2 obs

● 2015-05-31 07:03:22
● 2026-04-11 21:45:52

●MXsmtp.rzone.de2015-05-31 → 2026-04-11 · 2 obs

● 2015-05-31 07:03:22
● 2026-04-11 21:45:52

○A2a01:238:20a:202:1070::2015-05-31 → 2019-04-03 · 3 obs

● 2015-05-31 07:03:22
● 2019-04-03 17:24:20
○ 2026-04-11 21:45:52

●A2a01:238:20a:202:1165::2026-04-11 → 2026-04-11 · 2 obs

○ 2019-04-03 17:24:20
● 2026-04-11 21:45:52

●A81.169.145.1652026-04-11 → 2026-04-11 · 2 obs

○ 2019-04-03 17:24:20
● 2026-04-11 21:45:52

○A81.169.145.702015-05-31 → 2019-04-03 · 3 obs

● 2015-05-31 07:03:22
● 2019-04-03 17:24:20
○ 2026-04-11 21:45:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
blue-architecture.com	docks05.rzone.de, shades20.rzone.de	-

✅ Authoritative Response

Server:217.160.80.132

NS records: docks05.rzone.de, shades20.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blue-architecture.com (unsigned zone)

⏱️ Timing

Total: 748ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.165`
AAAA	1	`2a01:238:20a:202:1165::`
NS	2	`docks05.rzone.de, shades20.rzone.de`
MX	1	`smtp.rzone.de (pri: 5)`
TXT	1	`v=spf1 include:spf.mailjet.com ?all`
SOA	1	`docks05.rzone.de hostmaster.strato-rz.de`

Analysis

Hierarchy

The parent of maildefer.blue-architecture.com is blue-architecture.com.

IP Addresses

blue-architecture.com points to two IP numbers: 2a01:238:20a:202:1165:: and 81.169.145.165.

Other host names, for instance casarenant.com, kampe.de, argum.photography, scherkenbeck.de and monosight.com share IP numbers with blue-architecture.com.

Name Servers

blue-architecture.com is delegated to two name servers: docks05.rzone.de and shades20.rzone.de.

blue-architecture.com uses the same name server setup as other domains, for instance simonduering.de, ataman.at, charter-ul.de, apotheke-im-gesundheitszentrum.com and architektur-international.de.

blue-architecture.com shares name servers with other domains at least partially, for instance vl3.de, zaqm.de, boba.cool, ergo-uetersen.de and xingu.de.

these name servers are commonly used with the name servers shades02.rzone.de, shades01.rzone.de, docks04.rzone.de, docks02.rzone.de, shades04.rzone.de, shades12.rzone.de, shades17.rzone.de, docks15.rzone.de, docks03.rzone.de and docks18.rzone.de.

Host names with two IP numbers:

The host docks05.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:5 and 217.160.80.132.

The host shades20.rzone.de points to 2607:f1c0:fe:53:185:132:34:147 and 185.132.34.147.

Mail Servers

The mail server for blue-architecture.com is smtp.rzone.de.

blue-architecture.com shares the same mail server setup as other domains, including ns1.comitre.net, id-webstudio.nl, st2.eu, lopesoft.com and proxent.eu.

Host name smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.

blue-architecture.com - robtex.com