`roberthollatz.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:d0a:24ec::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`dedi1789.your-server.de`
A	78.46.8.189^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`dedi1789.your-server.de` ⭐
		A	2a01:4f8:d0a:24ec::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`dedi1789.your-server.de`
		A	78.46.8.189^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`dedi1789.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2025-12-11 #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=1776977675

Subdomains

mail.roberthollatz.de

Same first word

roberthollatz.de

DNS History

11 records (6 active, 5 former)

●NSns.second-ns.com2026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

○NSns1.first-ns.de2015-07-13 → 2020-02-24 · 4 obs

● 2015-07-13 15:10:50
● 2020-02-24 18:22:56
○ 2026-03-26 14:06:20
○ 2026-04-23 21:23:34

●NSns1.your-server.de2026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

●NSns3.second-ns.de2026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

○NSrobotns2.second-ns.de2015-07-13 → 2020-02-24 · 4 obs

● 2015-07-13 15:10:50
● 2020-02-24 18:22:56
○ 2026-03-26 14:06:20
○ 2026-04-23 21:23:34

○NSrobotns3.second-ns.com2015-07-13 → 2020-02-24 · 4 obs

● 2015-07-13 15:10:50
● 2020-02-24 18:22:56
○ 2026-03-26 14:06:20
○ 2026-04-23 21:23:34

●MXdedi1789.your-server.de2026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

○MXmail.roberthollatz.de2015-07-13 → 2020-02-24 · 4 obs

● 2015-07-13 15:10:50
● 2020-02-24 18:22:56
○ 2026-03-26 14:06:20
○ 2026-04-23 21:23:34

●A2a01:4f8:d0a:24ec::22026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

●A78.46.8.1892026-03-26 → 2026-04-23 · 3 obs

○ 2020-02-24 18:22:56
● 2026-03-26 14:06:20
● 2026-04-23 21:23:34

○A88.198.41.2462015-07-13 → 2020-02-24 · 4 obs

● 2015-07-13 15:10:50
● 2020-02-24 18:22:56
○ 2026-03-26 14:06:20
○ 2026-04-23 21:23:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
roberthollatz.de	ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de	4 records

✅ Authoritative Response

Server:193.47.99.4

NS records: ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for roberthollatz.de (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.46.8.189`
AAAA	1	`2a01:4f8:d0a:24ec::2`
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
MX	1	`dedi1789.your-server.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

Hierarchy

The parent of mail.roberthollatz.de is roberthollatz.de.

IP Addresses

Two IP numbers are pointed to by roberthollatz.de: 2a01:4f8:d0a:24ec::2 and 78.46.8.189.

other host names include mail.club-sm.org, stadt-schmalkalden.de, christian-wolf-mueller.eu, mail.roberthollatz.de and club-sm.org; they share IP numbers with roberthollatz.de.

Name Servers

roberthollatz.de is delegated to three name servers ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

roberthollatz.de at least partially shares name servers with other domains, for instance 2.1.3.8.c.0.c.0.8.f.4.0.1.0.a.2.ip6.arpa, dammers.de, airpressure.info, 8.c.b.2.2.7.1.0.8.f.4.0.1.0.a.2.ip6.arpa and eiweiss-raceparts.de.

These name servers are commonly used alongside hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242; ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4; ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

roberthollatz.de is handled by a single mail server, dedi1789.your-server.de.

roberthollatz.de uses the same mail server setup as other domains, for instance xn--krni-5qa.de, mengs.de, stadt-schmalkalden.de, christian-wolf-mueller.eu and club-sm.org.

dedi1789.your-server.de resolves to two IPs: 2a01:4f8:d0a:24ec::2 and 78.46.8.189.

roberthollatz.de - robtex.com