🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.sendstack.de`

DNSSEC	⚠️ Not signed
A	5.9.124.247^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
		PTR	`static.247.124.9.5.clients.your-server.de`

`sendstack.de`

	DNSSEC	⚠️ Not signed
	NS	`cloe.ns.cloudflare.com` ⭐
	NS	`troy.ns.cloudflare.com`
	MX	`mail.sendstack.de` ⭐
	TXT	`v=spf1 -all`
	SOA	`cloe.ns.cloudflare.com`dns@cloudflare.com serial=2412740211

MX for

sendstack.de

Same first word

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mail.pe

mail.sunnyday.jp

mail.group

mail.gov

mail.claims

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mail.mx

mail.cy

mail.supply

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.trade

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mail.ly

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mail.training

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mail.toshiba

mail.hosting

mail.digital

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mail.mil

mail.org.fj

mail.f5.si

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mail.coop

mail.directory

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mail.cool

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

mail.gov.ao

mail.me

mail.ac.gov.br

mail.edu.me

mail.ai.in

mail.gov.ru

mail.pr

mail.mlbfan.org

mail.ph

mail.nhlfan.net

mail.gl

mail.link

mail.no

mail.net.vn

mail.lib.wy.us

mail.pictures

mail.ag

mail.hk

mail.win

mail.net

mail.ne.kr

mail.download

mail.support

mail.de

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lima.life

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A5.9.124.2472026-09-02 → 2026-09-04 · 2 obs

● 2026-09-02 04:42:26
● 2026-09-04 07:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
sendstack.de	cloe.ns.cloudflare.com, troy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.218

NS records: cloe.ns.cloudflare.com, troy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendstack.de (unsigned zone)

⏱️ Timing

Total: 608ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.9.124.247`

Analysis

Mail Server Role

The mail server mail.sendstack.de processes email for sendstack.de.

IP Addresses

mail.sendstack.de resolves to just one IP address, 5.9.124.247.

Other host names share IP numbers with mail.sendstack.de; mail.51ststate.org is one such example.

mail.sendstack.de - robtex.com