`david-ullrich.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c0c:bf6a::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`static.216.23.203.116.clients.your-server.de`
A	116.203.23.216^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`davidullrich-com01c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms17095011`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-02-24 #0

`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=1778752996

Same first word

david-ullrich.com

DNS History

13 records (6 active, 7 former)

●NShelium.ns.hetzner.de2026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

●NShydrogen.ns.hetzner.com2026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

○NSns1.uk-soft.net2015-08-13 → 2016-06-26 · 4 obs

● 2015-08-13 00:58:36
● 2016-06-26 03:56:00
○ 2017-02-17 17:51:02
○ 2026-05-14 10:15:38

○NSns1.ullrich-itconsulting.de2017-02-17 → 2019-04-11 · 5 obs

○ 2016-06-26 03:56:00
● 2017-02-17 17:51:02
● 2019-04-11 14:07:00
○ 2026-03-24 03:21:26
○ 2026-05-14 10:15:38

○NSns2.uk-soft.net2015-08-13 → 2016-06-26 · 4 obs

● 2015-08-13 00:58:36
● 2016-06-26 03:56:00
○ 2017-02-17 17:51:02
○ 2026-05-14 10:15:38

○NSns2.ullrich-itconsulting.de2017-02-17 → 2019-04-11 · 5 obs

○ 2016-06-26 03:56:00
● 2017-02-17 17:51:02
● 2019-04-11 14:07:00
○ 2026-03-24 03:21:26
○ 2026-05-14 10:15:38

●NSoxygen.ns.hetzner.com2026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

●MXdavidullrich-com01c.mail.protection.outlook.com2026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

○MXmail.colormixed.de2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-17 17:51:02
● 2019-04-11 14:07:00
○ 2026-03-24 03:21:26
○ 2026-05-14 10:15:38

○MXmail.david-ullrich.com2015-08-13 → 2017-02-17 · 4 obs

● 2015-08-13 00:58:36
● 2017-02-17 17:51:02
○ 2019-04-11 14:07:00
○ 2026-05-14 10:15:38

●A116.203.23.2162026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

●A2a01:4f8:c0c:bf6a::12026-03-24 → 2026-05-14 · 3 obs

○ 2019-04-11 14:07:00
● 2026-03-24 03:21:26
● 2026-05-14 10:15:38

○A78.46.52.372015-08-13 → 2019-04-11 · 4 obs

● 2015-08-13 00:58:36
● 2019-04-11 14:07:00
○ 2026-03-24 03:21:26
○ 2026-05-14 10:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
david-ullrich.com	helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com	2 records

✅ Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for david-ullrich.com (unsigned zone)

⏱️ Timing

Total: 2923ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.23.216`
AAAA	1	`2a01:4f8:c0c:bf6a::1`
NS	3	`oxygen.ns.hetzner.com, helium.ns.hetzner.de...`
MX	1	`davidullrich-com01c.mail.protection.outl`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms17095011`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

IP Addresses

david-ullrich.com resolves to two IP numbers: 2a01:4f8:c0c:bf6a::1 and 116.203.23.216.

other host names including holzbaustatik.eu, static.216.23.203.116.clients.your-server.de, ullrich-itconsulting.de, jgv-ohlenhard.de and colormixed.de share IP numbers with david-ullrich.com.

Name Servers

david-ullrich.com is delegated to three name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

david-ullrich.com at least partially shares name servers with other domains, for instance physiomed.at, defect.lt, pollvite.com, carservice-benthin.de and lisaklotz.de.

these name servers are commonly used alongside ns1.first-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to: 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to: 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to: 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

david-ullrich.com is handled by a single mail server, davidullrich-com01c.mail.protection.outlook.com.

Host davidullrich-com01c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.

david-ullrich.com - robtex.com