mail.instanceof.de - dns.ninja

`mail.instanceof.de`

DNSSEC	⚠️ Not signed
A	202.61.233.251^{🇩🇪 netcup-AS202.61.233.0/24}
		PTR	`mxe9fb.netcup.net`

`instanceof.de`

	DNSSEC	⚠️ Not signed
	A	2a0a:4cc0:c2:23e8:c436:8fff:fe22:15e3^{🇦🇹 netcup-AS2a0a:4cc0:c0::/43}
	A	159.195.71.52^{🇩🇰 netcup-AS159.195.68.0/22}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.protonmail.ch` ⭐
	MX	`mailsec.protonmail.ch`⁽²⁰⁾
	TXT	`protonmail-verification=258d5ffc91354c33bf97c7b5d73866c89c163405`
	TXT	`v=spf1 include:_spf.protonmail.ch ~all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-03-17 #37

PTR for

141.25.230.87.in-addr.arpa

Previously MX for

instanceof.de

Same first word

mail.sg

mail.eu.com

mail.camp

mail.nic.za

mail.pink

mail.vg

mail.guide

mail.chips.jp

mail.info

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mail.(0x7075737379)cat.jp

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mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.ltda

mail.mysecuritycamera.org

mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

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mail.babymilk.jp

mail.gov.by

mail.chat

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mail.123hjemmeside.dk

mail.gov.ps

mail.ml

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mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

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mail.myjino.ru

mail.space

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mail.tel

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mail.holiday

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mail.ma

mail.mr

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mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

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DNS History

2 records (1 active, 1 former)

●A202.61.233.2512026-02-22 → 2026-08-11 · 3 obs

○ 2016-04-26 08:36:52
● 2026-02-22 12:11:46
● 2026-08-11 07:56:20

○A46.163.76.1122015-07-02 → 2016-04-26 · 4 obs

● 2015-07-02 11:57:00
● 2016-04-26 08:36:52
○ 2026-02-22 12:11:46
○ 2026-08-11 07:56:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
instanceof.de	second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instanceof.de (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.61.233.251`

Analysis

IP Addresses

mail.instanceof.de has exactly one IP address — 202.61.233.251.

mail.geheimrat.info, mail.fotosi.de, mail.wgberater.de plus two other host names have IP numbers in common with mail.instanceof.de.