mail.design21.nl - robtex.com

mail.design21.nl

CNAMEdesign21.nl
DNSSEC⚠️ Not signed
A85.215.67.211🇩🇪 IONOS-AS85.215.64.0/20
PTRdesign21.nl
NSns3.stratoserver.net ⭐
A2607:f1c0:fe:53:185:132:34:159🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns3.stratoserver.net
A185.132.34.159🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns3.stratoserver.net
NSns4.stratoserver.net
A2001:8d8:fe:53:5747:2a74:d:32🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns4.stratoserver.net
A217.160.80.159🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns4.stratoserver.net
MXmail.design21.nl ⭐
MXrelay.rzone.de(100)
A81.169.145.96🇩🇪 STRATO81.169.144.0/22 AG
PTRrelay.rzone.de
TXTv=spf1 mx -all
SOAns3.stratoserver.nethostmaster@strato-rz.de 2025-03-01 #26

design21.nl

DNSSEC⚠️ Not signed
A85.215.67.211🇩🇪 IONOS-AS85.215.64.0/20
NSns3.stratoserver.net ⭐
NSns4.stratoserver.net
MXmail.design21.nl ⭐
MXrelay.rzone.de(100)
TXTv=spf1 mx -all
SOAns3.stratoserver.nethostmaster@strato-rz.de 2025-03-01 #26

MX for

design21.nl

Same first word

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DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A178.21.20.2462a00:1ca8:e:3d4::e25b46.249.53.236CNAMEdesign21.nl
○A178.21.20.2462015-05-13 → 2016-03-20 · 4 obs
● 2015-05-13 07:05:16
● 2016-03-20 12:28:16
○ 2016-09-10 17:20:50
○ 2026-03-30 06:05:50
○A2a00:1ca8:e:3d4::e25b2016-09-10 → 2016-09-10 · 4 obs
○ 2016-03-20 12:28:16
● 2016-09-10 17:20:50
○ 2026-03-29 23:35:54
○ 2026-03-30 06:05:50
○A46.249.53.2362016-09-10 → 2016-09-10 · 4 obs
○ 2016-03-20 12:28:16
● 2016-09-10 17:20:50
○ 2026-03-29 23:35:54
○ 2026-03-30 06:05:50
●CNAMEdesign21.nl2026-03-29 → 2026-03-30 · 2 obs
● 2026-03-29 23:35:54
● 2026-03-30 06:05:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
design21.nlns3.stratoserver.net, ns4.stratoserver.net-

✅ Authoritative Response

Server:185.132.34.159

NS records: ns3.stratoserver.net, ns4.stratoserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for design21.nl (unsigned zone)

⏱️ Timing

Total: 599ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1design21.nl

Analysis

Mail Server Role

The mail server for design21.nl is mail.design21.nl.

For mail handling, relay.rzone.de serves as a mail server together with mail.design21.nl.

IP Addresses

mail.design21.nl points to a single IP number: 85.215.67.211.

Other host names, for instance design21.nl, share IP numbers with mail.design21.nl.

Name Servers

Delegation for mail.design21.nl rests with two name servers, ns3.stratoserver.net and ns4.stratoserver.net.

mail.design21.nl shares the same name server setup as other domains, including zockfreun.de, easy-ferienwohnung.de, detlev-ackermann.de, forestknight.com and megerlin.de.

Host names with two IP numbers: ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.

Mail Servers

Two mail servers handle mail.design21.nl: relay.rzone.de and mail.design21.nl.

mail.design21.nl uses the same mail server setup as other domains, such as design21.nl.

mail.design21.nl shares mail servers with other domains at least in part, for instance gutachten-schwimmbad.de, sinus-tec.de, visionminds.net, c4b-team.de and komtex.de.

these mail servers are often used with mx1.profihifi.de and mx2.profihifi.de.

Host names with a single IP address map to 81.169.145.96 and the host name relay.rzone.de points to 81.169.145.96.