`stepup-sprachschule.com`

DNSSEC	⚠️ Not signed
A	78.47.18.133^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`stepup-sprachschule.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	`w00c105d.kasserver.com` ⭐
		A	85.13.137.195^{🇩🇪 NMM-AS85.13.137.0/24 Neue Medien Muennich}
			PTR	`dd16908.kasserver.com`
TXT	`v=spf1 a mx ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602191241

`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=1778813731

PTR for

133.18.47.78.in-addr.arpa

Subdomains

mail.stepup-sprachschule.com

Same first word

stepup-sprachschule.de

stepup-sprachschule.com

DNS History

6 records (4 active, 2 former)

●NSns5.kasserver.com2015-07-25 → 2026-05-15 · 2 obs

● 2015-07-25 09:04:18
● 2026-05-15 03:14:42

●NSns6.kasserver.com2015-07-25 → 2026-05-15 · 2 obs

● 2015-07-25 09:04:18
● 2026-05-15 03:14:42

○MXmail.stepup-sprachschule.com2015-07-25 → 2016-09-11 · 4 obs

● 2015-07-25 09:04:18
● 2016-09-11 02:26:34
○ 2017-04-19 01:11:44
○ 2026-05-15 03:14:42

●MXw00c105d.kasserver.com2017-04-19 → 2026-05-15 · 3 obs

○ 2016-09-11 02:26:34
● 2017-04-19 01:11:44
● 2026-05-15 03:14:42

●A78.47.18.1332026-03-23 → 2026-05-15 · 3 obs

○ 2017-04-19 01:11:44
● 2026-03-23 03:33:36
● 2026-05-15 03:14:42

○A85.13.137.1952015-07-25 → 2017-04-19 · 4 obs

● 2015-07-25 09:04:18
● 2017-04-19 01:11:44
○ 2026-03-23 03:33:36
○ 2026-05-15 03:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net...	-
stepup-sprachschule.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 stepup-sprachschule.com (unsigned zone)

⏱️ Timing

Total: 1734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.18.133`
NS	2	`ns6.kasserver.com, ns5.kasserver.com`
MX	1	`w00c105d.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
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.stepup-sprachschule.com is stepup-sprachschule.com.

IP Addresses

stepup-sprachschule.com points to an IP address: 78.47.18.133.

Other host names, for instance p5hpxn4u.bybanking.com, share IP numbers with stepup-sprachschule.com.

Name Servers

Two name servers ns5.kasserver.com and ns6.kasserver.com handle the delegation for stepup-sprachschule.com.

stepup-sprachschule.com shares the same name server setup as other domains, for instance wohlfahrtcloud.com, eny3.info, stilith.com, freistern.ch and akkordeonjugend.de.

stepup-sprachschule.com at least partially shares name servers with other domains, for instance gewuerzeundheilkraeuter.de, auto-teile-schindelar.de, die-netzwerkler.de, lions-club-iserlohn.de and arne-bierhals.de.

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

Host names with one IP:

ns5.kasserver.com points to: 85.13.128.3

ns6.kasserver.com points to: 85.13.159.101

Mail Servers

stepup-sprachschule.com is handled by a single mail server, w00c105d.kasserver.com.

stepup-sprachschule.com shares the same mail server setup as other domains such as stepup-sprachschule.de, sprachschule-in-bonn.de and nachhilfe-beuel.de.

The host name w00c105d.kasserver.com points to IP 85.13.137.195.

stepup-sprachschule.com - robtex.com