`post4.hostingcrew.de`

DNSSEC	⚠️ Not signed
A	91.26.248.164^{🇩🇪 DTAG91.0.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`post4.hostingcrew.de`
TXT	`v=spf1 a ~all`

`hostingcrew.de`

	DNSSEC	⚠️ Not signed
	A	91.26.248.172^{🇩🇪 DTAG91.0.0.0/10 Deutsche Telekom AG, Internet service provider}
	NS	`ns1.edv-crew.net` ⭐
	NS	`ns2.edv-crew.net`
	NS	`ns3.edv-crew.net`
	NS	`ns4.edv-crew.net`
	MX	`post4.hostingcrew.de` ⭐
	MX	`post3.hostingcrew.de`⁽²⁰⁾
	TXT	`v=spf1 a:post3.hostingcrew.de a:post4.hostingcrew.de ~all`
	SOA	`ns1.edv-crew.net`cr@edv-crew.de 2025-12-29 #0

PTR for

164.248.26.91.in-addr.arpa

MX for

edv-crew.de

servercrew.de

hostingcrew.de

Same first word

post4.com

post4.me

post4.net

Similar names

spot4.ru

spot4.tv

stop4.org

4stop.com

4post.net

top4s.com

spot4.us

spot4.com

spot4.me

4pots.com

4spot.com

stop4.com

4post.cz

4spot.org

4post.de

4post.com.ua

4tops.com

spot4.net

stop4.se

stop4.me

top4s.net

DNS History

1 record (1 active, 0 former)

●A91.26.248.1642026-02-15 → 2026-03-28 · 2 obs

● 2026-02-15 07:29:50
● 2026-03-28 19:48:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
hostingcrew.de	ns1.edv-crew.net, ns2.edv-crew.net, ns3.edv-crew.net, ns4.edv-crew.net	-

✅ Authoritative Response

Server:185.132.34.161

NS records: ns1.edv-crew.net, ns2.edv-crew.net, ns3.edv-crew.net, ns4.edv-crew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hostingcrew.de (unsigned zone)

⏱️ Timing

Total: 651ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.26.248.164`
TXT	1	`v=spf1 a ~all`

Analysis

Mail Server Role

post4.hostingcrew.de serves as the mail server for edv-crew.de, servercrew.de and hostingcrew.de.

post3.hostingcrew.de often serves as a mail server in conjunction with post4.hostingcrew.de.

IP Addresses

post4.hostingcrew.de points to IP number: 91.26.248.164.

post4.hostingcrew.de - robtex.com