mail.sfsolution.de - dns.ninja

mail.sfsolution.de

DNSSEC⚠️ Not signed
A2a01:239:43c:4500::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRmail.sfsolution.de
A217.154.152.44🇬🇧 IONOS-AS217.154.152.0/22 IONOS SE

sfsolution.de

DNSSEC🔒 Signed (DS record present)
NSroot-dns.netcup.net ⭐
NSsecond-dns.netcup.net
NSthird-dns.netcup.net
MXmail.sfsolution.de ⭐
TXTv=spf1 mx a -all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-07-26 #79

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.4.c.3.4.0.9.3.2.0.1.0.a.2.ip6.arpa
44.152.154.217.in-addr.arpa

MX for

sfsolution.de
florian-schirmer.de

Same first word

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DNS History

2 records (2 active, 0 former)

A217.154.152.442a01:239:43c:4500::1
●A217.154.152.442026-04-11 → 2026-07-29 · 2 obs
● 2026-04-11 17:59:58
● 2026-07-29 19:11:08
●A2a01:239:43c:4500::12026-04-11 → 2026-07-29 · 2 obs
● 2026-04-11 17:59:58
● 2026-07-29 19:11:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, f.nic.de, a.nic.de-
sfsolution.dethird-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net-

✅ Authoritative Response

Server:188.68.63.68

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1373ms | Queries: -

📄 Records

TypeCountSample Data
A1217.154.152.44
AAAA12a01:239:43c:4500::1

Analysis

Mail Server Role

Mail for sfsolution.de and florian-schirmer.de is handled by mail.sfsolution.de.

IP Addresses

mail.sfsolution.de points to the IP addresses 217.154.152.44 and 2a01:239:43c:4500::1