documenta24.de - dns.ninja

`documenta24.de`

DNSSEC	⚠️ Not signed
A	23.88.77.240^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
		PTR	`web.documenta-fifteen.de`
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 2026-04-29 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785883806

Same first word

documenta24.de

DNS History

15 records (4 active, 11 former)

●NSns1.first-ns.de2026-04-07 → 2026-08-04 · 3 obs

○ 2017-11-21 01:01:08
● 2026-04-07 18:59:48
● 2026-08-04 22:52:10

○NSns1.s-dns.de2015-07-05 → 2016-12-29 · 4 obs

● 2015-07-05 21:56:40
● 2016-12-29 02:16:12
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

○NSns2.s-dns.de2015-11-14 → 2016-12-29 · 5 obs

○ 2015-07-05 21:56:40
● 2015-11-14 20:39:58
● 2016-12-29 02:16:12
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

○NSpns01.dcsix.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-12-29 02:16:12
● 2017-11-21 01:01:08
○ 2026-04-07 18:59:48
○ 2026-08-04 22:52:10

○NSpns02.dcsix.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-12-29 02:16:12
● 2017-11-21 01:01:08
○ 2026-04-07 18:59:48
○ 2026-08-04 22:52:10

○NSpns03.dcsix.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-12-29 02:16:12
● 2017-11-21 01:01:08
○ 2026-04-07 18:59:48
○ 2026-08-04 22:52:10

○NSpns04.dcsix.net2017-11-21 → 2017-11-21 · 4 obs

○ 2016-12-29 02:16:12
● 2017-11-21 01:01:08
○ 2026-04-07 18:59:48
○ 2026-08-04 22:52:10

●NSrobotns2.second-ns.de2026-04-07 → 2026-08-04 · 3 obs

○ 2017-11-21 01:01:08
● 2026-04-07 18:59:48
● 2026-08-04 22:52:10

●NSrobotns3.second-ns.com2026-04-07 → 2026-08-04 · 3 obs

○ 2017-11-21 01:01:08
● 2026-04-07 18:59:48
● 2026-08-04 22:52:10

○MXmail1.documenta.de2015-11-14 → 2016-12-29 · 4 obs

● 2015-11-14 20:39:58
● 2016-12-29 02:16:12
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

○MXmail2.documenta.de2015-11-14 → 2016-12-29 · 4 obs

● 2015-11-14 20:39:58
● 2016-12-29 02:16:12
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

○A136.243.10.2332015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 21:56:40
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

●A23.88.77.2402026-04-07 → 2026-08-04 · 3 obs

○ 2017-11-21 01:01:08
● 2026-04-07 18:59:48
● 2026-08-04 22:52:10

○A46.4.112.442015-11-14 → 2017-11-21 · 5 obs

○ 2015-07-05 21:56:40
● 2015-11-14 20:39:58
● 2017-11-21 01:01:08
○ 2026-04-07 18:59:48
○ 2026-08-04 22:52:10

○CNAMEdocumenta.de2015-07-05 → 2016-12-29 · 4 obs

● 2015-07-05 21:56:40
● 2016-12-29 02:16:12
○ 2017-11-21 01:01:08
○ 2026-08-04 22:52:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
documenta24.de	robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de	-

✅ Authoritative Response

Server:213.133.100.103

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for documenta24.de (unsigned zone)

⏱️ Timing

Total: 1343ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.88.77.240`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`. (pri: 0)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

IP Addresses

documenta24.de directs to one IP number, which is 23.88.77.240.

Among the host names that share IP numbers with documenta24.de are documenta-blog.de, documentaarchiv.de, documenta12.de and two others.

Name Servers

The authoritative name servers for documenta24.de are robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — three in total.

The name servers of documenta24.de overlap at least partially with those of other domains — among them bleilust.de, jazz-jazz.de, raum.com and two more.

The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are commonly seen alongside these name servers.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de all resolve to exactly two IP numbers apiece: robotns3.second-ns.com → 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de → 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de → 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.