`mailserver.smart-scientific.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:10a:1d5c:8000::7^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`web.a4a.de`
A	88.99.107.170^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
MX	`mail.a4a.de` ⭐
		A	2a01:4f8:10a:1d5c:8000::8^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail.a4a.de`
		A	88.99.107.169^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
			PTR	`mail.a4a.de`
TXT	`v=spf1 mx -all`

`smart-scientific.com`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:10a:1d5c:8000::7^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	88.99.107.170^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
	NS	`get.desec.io` ⭐
	NS	`ns1.desec.io`
	NS	`ns2.desec.org`
	MX	`mail.a4a.de` ⭐
	TXT	`v=spf1 mx -all`
	SOA	`get.desec.io`get@desec.io serial=2025075436

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Similar names

DNS History

3 records (3 active, 0 former)

●MXmail.a4a.de2026-02-14 → 2026-03-28 · 2 obs

● 2026-02-14 23:41:26
● 2026-03-28 05:03:42

●A2a01:4f8:10a:1d5c:8000::72026-02-14 → 2026-03-28 · 2 obs

● 2026-02-14 23:41:26
● 2026-03-28 05:03:42

●A88.99.107.1702026-02-14 → 2026-03-28 · 2 obs

● 2026-02-14 23:41:26
● 2026-03-28 05:03:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
smart-scientific.com	ns1.desec.io, ns2.desec.org	-

✅ Authoritative Response

Server:45.54.76.1

NS records: ns1.desec.io, ns2.desec.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2099ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.99.107.170`
AAAA	1	`2a01:4f8:10a:1d5c:8000::7`
MX	1	`mail.a4a.de (pri: 10)`
TXT	1	`v=spf1 mx -all`

Analysis

IP Addresses

The entity mailserver.smart-scientific.com points to two IP numbers: 2a01:4f8:10a:1d5c:8000::7 and 88.99.107.170.

For instance, other host names fotozenit.de, monica.a4a.de, www.0146.a4a.de, trooperwelt.de and glvmail.de share IP numbers with mailserver.smart-scientific.com.

Mail Servers

mailserver.smart-scientific.com is handled by a single mail server, mail.a4a.de.

mailserver.smart-scientific.com shares the same mail server setup as other domains, for instance caroline.a4a.de, ponta.de, desec.org, www.augenarzt-budig.de and elena-marensi.com.

mail.a4a.de resolves to two IPs: 2a01:4f8:10a:1d5c:8000::8 and 88.99.107.169.

mailserver.smart-scientific.com - robtex.com