sfsolution.de - dns.ninja

`sfsolution.de`

DNSSEC	🔒 Signed (DS record present)
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.sfsolution.de` ⭐
		A	2a01:239:43c:4500::1^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
			PTR	`mail.sfsolution.de`
		A	217.154.152.44^{🇬🇧 IONOS-AS217.154.152.0/22 IONOS SE}
			PTR	`mail.sfsolution.de`
TXT	`v=spf1 mx a -all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-07-26 #79

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785334426

Subdomains

mail.sfsolution.de

Same first word

sfsolution.de

sfsolution.it

sfsolution.com

Similar names

DNS History

8 records (4 active, 4 former)

○NSns1.hans.hosteurope.de2015-05-25 → 2017-07-05 · 4 obs

● 2015-05-25 19:38:22
● 2017-07-05 10:55:00
○ 2026-03-17 01:57:10
○ 2026-07-29 14:33:42

○NSns2.hans.hosteurope.de2015-05-25 → 2017-07-05 · 4 obs

● 2015-05-25 19:38:22
● 2017-07-05 10:55:00
○ 2026-03-17 01:57:10
○ 2026-07-29 14:33:42

●NSroot-dns.netcup.net2026-03-17 → 2026-07-29 · 3 obs

○ 2017-07-05 10:55:00
● 2026-03-17 01:57:10
● 2026-07-29 14:33:42

●NSsecond-dns.netcup.net2026-03-17 → 2026-07-29 · 3 obs

○ 2017-07-05 10:55:00
● 2026-03-17 01:57:10
● 2026-07-29 14:33:42

●NSthird-dns.netcup.net2026-03-17 → 2026-07-29 · 3 obs

○ 2017-07-05 10:55:00
● 2026-03-17 01:57:10
● 2026-07-29 14:33:42

●MXmail.sfsolution.de2026-03-17 → 2026-07-29 · 3 obs

○ 2017-07-05 10:55:00
● 2026-03-17 01:57:10
● 2026-07-29 14:33:42

○MXmx.sfsolution.de2015-05-25 → 2017-07-05 · 4 obs

● 2015-05-25 19:38:22
● 2017-07-05 10:55:00
○ 2026-03-17 01:57:10
○ 2026-07-29 14:33:42

○A5.9.84.1742015-05-25 → 2017-07-05 · 4 obs

● 2015-05-25 19:38:22
● 2017-07-05 10:55:00
○ 2026-03-17 01:57:10
○ 2026-07-29 14:33:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:37.221.199.199

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: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`root-dns.netcup.net, third-dns.netcup.net...`
MX	1	`mail.sfsolution.de (pri: 10)`
TXT	1	`v=spf1 mx a -all`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

mail.sfsolution.de is delegated beneath sfsolution.de.

Name Servers

sfsolution.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

There is at least partial name server overlap between sfsolution.de and other domains — bmw-fans.de, stiftung-rufe.de, theater-neuland.de and two more among them.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

sfsolution.de routes its mail through a single mail server, mail.sfsolution.de.

sfsolution.de and domains like florian-schirmer.de share an identical mail server configuration.

mail.sfsolution.de carries two IP numbers: 217.154.152.44 and 2a01:239:43c:4500::1.