`fersterra.com`

DNSSEC	⚠️ Not signed
A	85.13.146.156^{🇩🇪 NMM-AS85.13.146.0/24 Neue Medien Muennich}
		PTR	`dd42324.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	`w00a7b2c.kasserver.com` ⭐
		A	85.13.146.156^{🇩🇪 NMM-AS85.13.146.0/24 Neue Medien Muennich}
			PTR	`dd42324.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2603011232

`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=1774609697

Subdomains

mail.fersterra.com

Same first word

fersterra.com

Similar names

ferrestar.com

ferresart.com

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-07-09 → 2026-03-27 · 2 obs

● 2015-07-09 15:01:34
● 2026-03-27 11:16:52

●NSns6.kasserver.com2015-07-09 → 2026-03-27 · 2 obs

● 2015-07-09 15:01:34
● 2026-03-27 11:16:52

○MXmail.fersterra.com2015-07-09 → 2016-06-23 · 4 obs

● 2015-07-09 15:01:34
● 2016-06-23 01:56:40
○ 2017-02-16 14:48:12
○ 2026-03-27 11:16:52

●MXw00a7b2c.kasserver.com2017-02-16 → 2026-03-27 · 3 obs

○ 2016-06-23 01:56:40
● 2017-02-16 14:48:12
● 2026-03-27 11:16:52

○A85.13.132.672015-11-17 → 2019-01-20 · 5 obs

○ 2015-07-09 15:01:34
● 2015-11-17 04:24:46
● 2019-01-20 11:32:20
○ 2026-03-15 07:20:36
○ 2026-03-27 11:16:52

○A85.13.140.772015-07-09 → 2015-07-09 · 3 obs

● 2015-07-09 15:01:34
○ 2015-11-17 04:24:46
○ 2026-03-27 11:16:52

●A85.13.146.1562026-03-15 → 2026-03-27 · 3 obs

○ 2019-01-20 11:32:20
● 2026-03-15 07:20:36
● 2026-03-27 11:16:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
fersterra.com	ns5.kasserver.com, ns6.kasserver.com	2 records

✅ Authoritative Response

Server:85.13.159.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fersterra.com (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.146.156`
NS	2	`ns6.kasserver.com, ns5.kasserver.com`
MX	1	`w00a7b2c.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

fersterra.com is the parent of mail.fersterra.com.

IP Addresses

fersterra.com points to a single IP number: 85.13.146.156.

other host names for instance w0144486.kasserver.com, w00c384b.kasserver.com, bloombar.at, mail.jurdak.at and w005d794.kasserver.com share IP numbers with fersterra.com.

Name Servers

fersterra.com is delegated to two name servers: ns5.kasserver.com and ns6.kasserver.com.

fersterra.com shares the same name server setup as other domains, for example sandstrahlen-lauenburger.de, stadtpaparazzi.com, kleyboldt.de, baardse-immobilien.de and obstweine24.de.

fersterra.com at least partially shares name servers with other domains, for instance podtour.de, helmsauerundkollegen.de, embedded-journal.de, ohrstedt.de and daniel-goebel.de.

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

Host names with one IP number:

The host ns5.kasserver.com points to 85.13.128.3 and the host ns6.kasserver.com points to 85.13.159.101.

Mail Servers

fersterra.com is handled by a single mail server, w00a7b2c.kasserver.com.

Host name w00a7b2c.kasserver.com points to IP address 85.13.146.156.

fersterra.com - robtex.com

fersterra.com

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