mail.ostendorff.com - robtex.com

mail.ostendorff.com

DNSSEC⚠️ Not signed
A2a02:2479:9f:d200::1🇩🇪 IONOS-AS2a02:2478::/29 IONOS SE
PTRmail.ostendorff.com
A85.215.77.61🇩🇪 IONOS-AS85.215.64.0/20
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de

ostendorff.com

DNSSEC⚠️ Not signed
A2a01:4f8:231:c1b::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A159.69.60.165🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC
NSshades18.rzone.de ⭐
NSdocks15.rzone.de
MXmail.secondradio.de ⭐
TXTv=spf1 ip4:159.69.60.165 ip6:2a01:4f8:231:c1b::2 -all
SOAshades18.rzone.dehostmaster@strato-rz.de 2020-06-08 #6

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.d.f.9.0.0.9.7.4.2.2.0.a.2.ip6.arpa

Same first word

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DNS History

6 records (3 active, 3 former)

201820192020202120222023202420252026MXsmtpin.rzone.deh2598035.stratoserver.netA2a02:2479:9f:d200::185.215.77.612a01:238:436c:6800:861e:96a7:1aca:e88085.214.202.85
○MXh2598035.stratoserver.net2017-02-14 → 2017-02-14 · 3 obs
● 2017-02-14 02:48:24
○ 2026-04-07 21:50:02
○ 2026-04-12 05:46:04
●MXsmtpin.rzone.de2026-04-07 → 2026-04-12 · 3 obs
○ 2017-02-14 02:48:24
● 2026-04-07 21:50:02
● 2026-04-12 05:46:04
○A2a01:238:436c:6800:861e:96a7:1aca:e8802017-02-14 → 2017-02-14 · 3 obs
● 2017-02-14 02:48:24
○ 2026-04-07 21:50:02
○ 2026-04-12 05:46:04
●A2a02:2479:9f:d200::12026-04-07 → 2026-04-12 · 3 obs
○ 2017-02-14 02:48:24
● 2026-04-07 21:50:02
● 2026-04-12 05:46:04
○A85.214.202.852017-02-14 → 2017-02-14 · 3 obs
● 2017-02-14 02:48:24
○ 2026-04-07 21:50:02
○ 2026-04-12 05:46:04
●A85.215.77.612026-04-07 → 2026-04-12 · 3 obs
○ 2017-02-14 02:48:24
● 2026-04-07 21:50:02
● 2026-04-12 05:46:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...-
ostendorff.comdocks15.rzone.de, shades18.rzone.de-

✅ Authoritative Response

Server:185.132.34.145

NS records: docks15.rzone.de, shades18.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostendorff.com (unsigned zone)

⏱️ Timing

Total: 692ms | Queries: -

📄 Records

TypeCountSample Data
A185.215.77.61
AAAA12a02:2479:9f:d200::1
MX1smtpin.rzone.de (pri: 5)

Analysis

IP Addresses

mail.ostendorff.com points to two IPs: 2a02:2479:9f:d200::1 and 85.215.77.61.

Other host names, for example, ip85-215-77-61.pbiaas.com share IP numbers with mail.ostendorff.com.

Mail Servers

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

mail.ostendorff.com shares the same mail server setup as other domains, including holzabzeichen.de, conpeo.de, thenkel.de, hummel-29.de and buehler-buerotechnik.de.

Host name smtpin.rzone.de points to IPs 2a01:238:20a:202:50f0::1097 and 81.169.145.97.