`researchworld.de`

DNSSEC	⚠️ Not signed
A	217.160.223.235^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`clienthosting.eu`
NS	`shades08.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:135^{🇺🇸 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	`shades08.rzone.de`
		A	185.132.34.135^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades08.rzone.de`
NS	`docks06.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:6^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks06.rzone.de`
		A	217.160.80.133^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks06.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	`shades08.rzone.de`hostmaster@strato-rz.de 2020-05-07 #5

`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=1776096054

Same first word

researchworld.com

researchworld.de

DNS History

7 records (4 active, 3 former)

●NSdocks06.rzone.de2015-06-24 → 2026-04-13 · 2 obs

● 2015-06-24 15:05:52
● 2026-04-13 16:28:22

●NSshades08.rzone.de2015-06-24 → 2026-04-13 · 2 obs

● 2015-06-24 15:05:52
● 2026-04-13 16:28:22

○MXsmtp.rzone.de2015-06-24 → 2018-10-14 · 4 obs

● 2015-06-24 15:05:52
● 2018-10-14 09:30:22
○ 2026-04-01 08:41:58
○ 2026-04-13 16:28:22

●MXsmtpin.rzone.de2026-04-01 → 2026-04-13 · 3 obs

○ 2018-10-14 09:30:22
● 2026-04-01 08:41:58
● 2026-04-13 16:28:22

●A217.160.223.2352018-10-14 → 2026-04-13 · 3 obs

○ 2017-01-21 13:19:40
● 2018-10-14 09:30:22
● 2026-04-13 16:28:22

○A2a01:238:20a:202:1070::2015-06-24 → 2017-01-21 · 4 obs

● 2015-06-24 15:05:52
● 2017-01-21 13:19:40
○ 2018-10-14 09:30:22
○ 2026-04-13 16:28:22

○A81.169.145.702015-06-24 → 2017-01-21 · 4 obs

● 2015-06-24 15:05:52
● 2017-01-21 13:19:40
○ 2018-10-14 09:30:22
○ 2026-04-13 16:28:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
researchworld.de	shades08.rzone.de, docks06.rzone.de	-

✅ Authoritative Response

Server:185.132.34.135

NS records: shades08.rzone.de, docks06.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for researchworld.de (unsigned zone)

⏱️ Timing

Total: 1151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.223.235`
NS	2	`docks06.rzone.de, shades08.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades08.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

researchworld.de resolves to a single IP: 217.160.223.235.

Other host names, for instance sendviaemail.com, glpatent.de, fam-klippel.de, cav-pro.de and siwana.com share IP numbers with researchworld.de.

Name Servers

researchworld.de has two name servers: docks06.rzone.de and shades08.rzone.de.

researchworld.de shares the same name server setup as other domains, for example fuellner.com, miech.de, movietown.biz, ploland.de and plusartdecor.de.

researchworld.de shares some name servers with other domains, for example power-crew.de, klbp.de, logo-novum.de, rehasoft.es and euting.de.

these name servers are often used with shades15.rzone.de, shades09.rzone.de, docks17.rzone.de, shades12.rzone.de, shades06.rzone.de, docks18.rzone.de, shades02.rzone.de, docks02.rzone.de, docks14.rzone.de and shades16.rzone.de.

Host names with two IP numbers:

docks06.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:6 and 217.160.80.133; shades08.rzone.de points to: 2607:f1c0:fe:53:185:132:34:135 and 185.132.34.135.

Mail Servers

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

researchworld.de shares the mail server setup with other domains, for example ccb-logistics.de, tattooentfernung-kosten.com, berkersheimer-schule.de, lobenhausen.de and kumlien.eu.

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

researchworld.de - robtex.com