`professional-scientists.de`

DNSSEC	⚠️ Not signed
A	31.220.121.220^{🇩🇪 MITTWALD-AS31.220.120.0/21 Mittwald CM Service GmbH und Co. KG}
NS	`dns.dns1.de` ⭐
		A	2a02:2940:0:a0d1::246^{🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany}
			PTR	`dns.dns1.de`
		A	95.130.16.246^{🇩🇪 INETWIRE-AS95.130.16.0/21 Key-Systems GmbH / PartnerGate Liebherrstr. 22 80538 Muenchen, Germany}
			PTR	`dns.dns1.de`
NS	`dns.dns2.de`
		A	2a02:2940:0:a0d2::218^{🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany}
			PTR	`dns.dns2.de`
		A	95.130.17.218^{🇩🇪 INETWIRE-AS95.130.17.0/24 InterNetWire Communications GmbH Wilhelm-Wagenfeld-Str. 16 80807 Muenchen}
			PTR	`dns.dns2.de`
NS	`dns.dns3.de`
		A	2a00:11c0:e:766::2^{🇩🇪 ANEXIA2a00:11c0:e::/48 Internetdienstleistungs GmbH DE - Frankfurt}
			PTR	`dns.dns3.de`
		A	217.146.22.194^{🇩🇪 ANEXIA217.146.22.0/24 Anexia DE - Frankfurt}
			PTR	`dns.dns3.de`
NS	`dns.dns4.de`
		A	2a01:4f8:192:2187::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`dns.dns4.de`
		A	144.76.91.137^{🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1}
			PTR	`dns.dns4.de`
MX	`mxpool.de2.hostedoffice.ag` ⭐
		A	81.20.94.244^{🇩🇪 QUALITYHOSTING-AS81.20.88.0/21 QualityHosting AG - IX1}
			PTR	`web.cloudservice.ag`
TXT	`v=spf1 include:spf.protection.outlook.com include:hostedoffice.ag -all`
SOA	`dns.dns1.de`hostmaster@internetwire.de 2025-08-11 #1

`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=1776088741

Same first word

professional-scientists.de

DNS History

13 records (6 active, 7 former)

●NSdns.dns1.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

●NSdns.dns2.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

●NSdns.dns3.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

●NSdns.dns4.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

○NSmail8-01.fink-it-systems.de2015-11-29 → 2017-04-04 · 5 obs

○ 2015-08-09 11:29:58
● 2015-11-29 20:19:32
● 2017-04-04 08:04:06
○ 2026-04-05 06:01:40
○ 2026-04-13 14:22:42

○NSstrike.klose-computer.de2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 11:29:58
○ 2015-11-29 20:19:32
○ 2026-04-13 14:22:42

○NSweb8-01.fink-it-systems.de2015-11-29 → 2017-04-04 · 5 obs

○ 2015-08-09 11:29:58
● 2015-11-29 20:19:32
● 2017-04-04 08:04:06
○ 2026-04-05 06:01:40
○ 2026-04-13 14:22:42

○NSzx81k.fink-it-systems.de2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 11:29:58
○ 2015-11-29 20:19:32
○ 2026-04-13 14:22:42

○MXmail.professional-scientists.de2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 11:29:58
○ 2015-11-29 20:19:32
○ 2026-04-13 14:22:42

●MXmxpool.de2.hostedoffice.ag2026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

○MXzx81k.fink-it-systems.de2015-11-29 → 2017-04-04 · 5 obs

○ 2015-08-09 11:29:58
● 2015-11-29 20:19:32
● 2017-04-04 08:04:06
○ 2026-04-05 06:01:40
○ 2026-04-13 14:22:42

○A148.251.224.2182015-08-09 → 2017-04-04 · 4 obs

● 2015-08-09 11:29:58
● 2017-04-04 08:04:06
○ 2026-04-05 06:01:40
○ 2026-04-13 14:22:42

●A31.220.121.2202026-04-05 → 2026-04-13 · 3 obs

○ 2017-04-04 08:04:06
● 2026-04-05 06:01:40
● 2026-04-13 14:22:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
professional-scientists.de	dns.dns2.de, dns.dns1.de, dns.dns4.de, dns.dns3.de	-

✅ Authoritative Response

Server:95.130.17.218

NS records: dns.dns2.de, dns.dns1.de, dns.dns4.de, dns.dns3.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professional-scientists.de (unsigned zone)

⏱️ Timing

Total: 1265ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.220.121.220`
NS	4	`dns.dns4.de, dns.dns1.de...`
MX	1	`mxpool.de2.hostedoffice.ag (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`dns.dns1.de hostmaster.internetwire.de`

Analysis

IP Addresses

professional-scientists.de points to IP number: 31.220.121.220.

Other host names for instance axcount.de, hfanet.de, datenschutzfreigabe-professional-scientists.de and mail.datenschutzfreigabe-professional-scientists.de share IP numbers with professional-scientists.de.

Name Servers

professional-scientists.de is delegated to four name servers: dns.dns1.de, dns.dns2.de, dns.dns3.de and dns.dns4.de.

professional-scientists.de at least partially shares name servers with other domains, for instance x9s.de, bodycrossregensburg.com, kalb.gmbh, volkswagenzentrum-berlin.de and flohmarkt-stuttgart.com.

Host names with two IP numbers: dns.dns1.de points to 2a02:2940:0:a0d1::246 and 95.130.16.246; dns.dns2.de points to 2a02:2940:0:a0d2::218 and 95.130.17.218; dns.dns3.de points to 2a00:11c0:e:766::2 and 217.146.22.194; dns.dns4.de points to 2a01:4f8:192:2187::2 and 144.76.91.137.

Mail Servers

professional-scientists.de is handled by a single mail server, mxpool.de2.hostedoffice.ag.

The mail server setup for professional-scientists.de matches that of other domains, for instance vietor.eu, renolab-glp.com, blueskywetter.at, easy-network.eu and a-casa.ch.

professional-scientists.de shares at least partially some mail servers with other domains, including wotzinger-landtechnik.de, arasbau.com, ib-pvp.de, wkkaufmann.de and sanker.eu.

these mail servers are commonly used together with relay.rzone.de.

mxpool.de2.hostedoffice.ag points to a single IP: 81.20.94.244.

professional-scientists.de - robtex.com