`saibling.linstep.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c0c:1335::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`saibling.linstep.de`
A	88.99.224.112^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}

`linstep.de`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:2200:2b83::3^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	167.235.184.92^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	MX	`forelle.linstep.de` ⭐
	MX	`mail3.linstep.de`⁽¹⁰⁾
	MX	`mail.linstep.de`⁽²⁰⁾
	MX	`mail2.linstep.de`⁽³⁰⁾
	TXT	`v=spf1 ip4:217.114.79.202 ip4:167.235.184.92 ip6:2a01:4f8:2200:2b83::3 mx a -all`
	TXT	`MS=A150F82A3353E5B118408CEF50A7662F15624A5F`
	TXT	`32d72feb836a2c3ef4fc86c5fdbbf56b`
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-03-25 #20

PTR for

2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.3.3.1.c.0.c.0.8.f.4.0.1.0.a.2.ip6.arpa

112.224.99.88.in-addr.arpa

Similar names

bilgisan.com.tr

bisignal.com

bigsnail.com

bsailing.com

balisign.com

DNS History

2 records (2 active, 0 former)

●A2a01:4f8:c0c:1335::22026-02-14 → 2026-03-25 · 2 obs

● 2026-02-14 18:56:14
● 2026-03-25 11:54:00

●A88.99.224.1122026-02-14 → 2026-03-25 · 2 obs

● 2026-02-14 18:56:14
● 2026-03-25 11:54:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
linstep.de	ns1.first-ns.de, robotns2.second-ns.de	-

✅ Authoritative Response

Server:213.133.100.103

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linstep.de (unsigned zone)

⏱️ Timing

Total: 1229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.99.224.112`
AAAA	1	`2a01:4f8:c0c:1335::2`

Analysis

IP Addresses

The entity saibling.linstep.de points to two IP numbers: 2a01:4f8:c0c:1335::2 and 88.99.224.112.

Other host names, for example mail.die-linke-oldenburg.de and mail3.linstep.de, share IPs with saibling.linstep.de.

saibling.linstep.de - robtex.com