`mail.lead-online.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c2c:db83::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mail.lead-online.de`
A	116.203.223.103^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}

`lead-online.de`

	DNSSEC	⚠️ Not signed
	A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`leadonline-de01b.mail.protection.outlook.com` ⭐
	TXT	`facebook-domain-verification=c59z6ye81boc7xm5by7tzpzf90ypdt`
	TXT	`google-site-verification=BKCYIckpu-viO7CUiQI1EpDcwoqGf5U693RIy5cET_0`
	TXT	`MS=ms42839641`
	TXT	`v=spf1 ip4:217.31.89.81 ip4:3.120.0.4 ip4:3.122.21.86 ip4:52.58.12.247 includ...`
	SOA	`ns1.first-ns.de`server@lead-online.de 2026-02-19 #1

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.8.b.d.c.2.c.0.8.f.4.0.1.0.a.2.ip6.arpa

103.223.203.116.in-addr.arpa

MX for

gr-immobilien.de

Previously MX for

lead-online.de

Same first word

mail.training

mail.cd

mail.in.ua

mail.cx

mail.gm

mail.su

mail.toshiba

mail.hosting

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mail.ph

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mail.edu.pl

mail.cfolks.pl

mail.cm

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mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

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mila.quebec

amli.work

ilma.lt

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liam.codes

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mail.egoism.jp

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imla.org.uk

mail.co.education

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liam.tv

mali.hr

liam.me

mail.lt

mila.dk

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mila.support

almi.fr

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mail.sl

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liam.ddns.me

mail.gov.in

imal.de

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mail.clinic

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mila.pl

lima.info

aiml.digital

lima.eu

mail.com.pk

mail.hl.cn

mail.nhs.uk

mail.hotmail

almi.com.ua

mail.gov.om

mila.nl

DNS History

3 records (2 active, 1 former)

●A116.203.223.1032026-04-14 → 2026-04-14 · 2 obs

○ 2016-09-22 17:17:44
● 2026-04-14 12:33:42

●A2a01:4f8:c2c:db83::12026-04-14 → 2026-04-14 · 2 obs

○ 2016-09-22 17:17:44
● 2026-04-14 12:33:42

○A82.199.141.1112015-05-23 → 2016-09-22 · 3 obs

● 2015-05-23 04:49:48
● 2016-09-22 17:17:44
○ 2026-04-14 12:33:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
lead-online.de	robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de	-

✅ Authoritative Response

Server:213.239.242.238

NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lead-online.de (unsigned zone)

⏱️ Timing

Total: 1130ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.223.103`
AAAA	1	`2a01:4f8:c2c:db83::1`

Analysis

Mail Server Role

mail.lead-online.de is the mail server for gr-immobilien.de.

IP Addresses

mail.lead-online.de resolves to two IP numbers: 2a01:4f8:c2c:db83::1 and 116.203.223.103.

Other host names, for instance _dc-mx.357102bdc0d8.foodiary.app, share IP numbers with mail.lead-online.de.

mail.lead-online.de - robtex.com