`cschlesinger.org`

DNSSEC	⚠️ Not signed
A	2a01:4f8:120:8455::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`kittyjo8.tecnique.de`
A	78.46.96.106^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
SOA	`ns1.first-ns.de`dns@hetzner.com 2025-01-20 #5

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774828235

Subdomains

mail.cschlesinger.org

DNS History

7 records (5 active, 2 former)

●NSns1.first-ns.de2015-05-30 → 2026-03-29 · 2 obs

● 2015-05-30 11:20:42
● 2026-03-29 23:58:46

●NSrobotns2.second-ns.de2015-05-30 → 2026-03-29 · 2 obs

● 2015-05-30 11:20:42
● 2026-03-29 23:58:46

●NSrobotns3.second-ns.com2015-05-30 → 2026-03-29 · 2 obs

● 2015-05-30 11:20:42
● 2026-03-29 23:58:46

○MXmail.cschlesinger.org2015-05-30 → 2017-04-20 · 3 obs

● 2015-05-30 11:20:42
● 2017-04-20 00:02:36
○ 2026-03-29 23:58:46

○A144.76.79.732015-05-30 → 2017-04-20 · 3 obs

● 2015-05-30 11:20:42
● 2017-04-20 00:02:36
○ 2026-03-29 23:58:46

●A2a01:4f8:120:8455::22026-03-29 → 2026-03-29 · 2 obs

○ 2017-04-20 00:02:36
● 2026-03-29 23:58:46

●A78.46.96.1062026-03-29 → 2026-03-29 · 2 obs

○ 2017-04-20 00:02:36
● 2026-03-29 23:58:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
cschlesinger.org	robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de	-

✅ Authoritative Response

Server:213.133.100.103

NS records: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cschlesinger.org (unsigned zone)

⏱️ Timing

Total: 655ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.46.96.106`
AAAA	1	`2a01:4f8:120:8455::2`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

cschlesinger.org is a parent of mail.cschlesinger.org.

IP Addresses

cschlesinger.org points to two IP numbers: 2a01:4f8:120:8455::2 and 78.46.96.106.

Other host names, for instance mail.xn--gummientenlebenlnger-qzb.de, christianschlesinger.biz, kittyjo8.tecnique.de, mail.christian-schlesinger.com and mail.christianschlesinger.biz share IP numbers with cschlesinger.org.

Name Servers

The delegation for cschlesinger.org is handled by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

cschlesinger.org at least partially shares name servers with other domains, for instance playfmusercontent.com, readfy.com, hotguitars.de, bal.at and leuschner.org.

these name servers are commonly used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Two IP numbers per host:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

cschlesinger.org - robtex.com