`flex-mgmt.com`

DNSSEC	⚠️ Not signed
A	85.13.133.111^{🇩🇪 NMM-AS85.13.133.0/24 Neue Medien Muennich}
		PTR	`dd51820.kasserver.com`
NS	`ns5.kasserver.com` ⭐
		A	85.13.128.3^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns5.kasserver.com`
NS	`ns6.kasserver.com`
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`
MX	`w010337e.kasserver.com` ⭐
		A	85.13.133.111^{🇩🇪 NMM-AS85.13.133.0/24 Neue Medien Muennich}
			PTR	`dd51820.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2603041319

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777324021

Subdomains

mail.flex-mgmt.com

Same first word

flex-mgmt.com

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-05-17 → 2026-04-27 · 2 obs

● 2015-05-17 06:00:56
● 2026-04-27 21:25:02

●NSns6.kasserver.com2015-05-17 → 2026-04-27 · 2 obs

● 2015-05-17 06:00:56
● 2026-04-27 21:25:02

○MXmail.flex-mgmt.com2015-05-17 → 2016-09-10 · 4 obs

● 2015-05-17 06:00:56
● 2016-09-10 06:14:30
○ 2017-06-26 20:09:42
○ 2026-04-27 21:25:02

●MXw010337e.kasserver.com2017-06-26 → 2026-04-27 · 3 obs

○ 2016-09-10 06:14:30
● 2017-06-26 20:09:42
● 2026-04-27 21:25:02

○A85.13.130.2092015-05-17 → 2016-09-10 · 4 obs

● 2015-05-17 06:00:56
● 2016-09-10 06:14:30
○ 2017-06-26 20:09:42
○ 2026-04-27 21:25:02

●A85.13.133.1112026-04-12 → 2026-04-27 · 3 obs

○ 2017-06-26 20:09:42
● 2026-04-12 07:38:34
● 2026-04-27 21:25:02

○A85.13.157.2272017-06-26 → 2017-06-26 · 4 obs

○ 2016-09-10 06:14:30
● 2017-06-26 20:09:42
○ 2026-04-12 07:38:34
○ 2026-04-27 21:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
flex-mgmt.com	ns5.kasserver.com, ns6.kasserver.com	2 records

✅ Authoritative Response

Server:85.13.128.3

NS records: ns5.kasserver.com, ns6.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flex-mgmt.com (unsigned zone)

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.133.111`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w010337e.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)

Analysis

Hierarchy

The parent of mail.flex-mgmt.com is flex-mgmt.com.

IP Addresses

flex-mgmt.com points to IP number: 85.13.133.111.

Other host names such as stormd.kasserver.com, mauerfeuchtigkeit.at, server.(0x736578)count.de, w013f38e.kasserver.com and dd51820.kasserver.com share IPs with flex-mgmt.com.

Name Servers

flex-mgmt.com is delegated to two name servers: ns5.kasserver.com and ns6.kasserver.com.

flex-mgmt.com shares the same name server setup as schwenger.org, masterarbeit-fh.ch, friends-kongress.com, social.eu and quatron-r.com.

flex-mgmt.com at least partially shares name servers with other domains, for instance athleticbodysystem.de, retrokini.de, med-dresden.de, systemhaus-frankfurt.eu and schienenbaecker.de.

these name servers are commonly used with ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.

Host names with a single IP:

ns5.kasserver.com points to 85.13.128.3.

ns6.kasserver.com points to 85.13.159.101.

Mail Servers

flex-mgmt.com is handled by a single mail server, w010337e.kasserver.com.

The mail server setup for flex-mgmt.com mirrors that of other domains, for instance doubletrouble.biz.

w010337e.kasserver.com points to a single IP: 85.13.133.111.

flex-mgmt.com - robtex.com

flex-mgmt.com

com