`gerstbau.org`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::6815:1a7e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8843^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.126^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.67^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hans.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hans.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hans.ns.cloudflare.com`
		A	108.162.193.175^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	172.64.33.175^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	173.245.59.175^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
NS	`kia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kia.ns.cloudflare.com`
		A	108.162.192.179^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	172.64.32.179^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	173.245.58.179^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
MX	`mx1.gerstbau.de` ⭐
		A	194.242.12.250^{🇩🇪 DE-VOGT194.242.12.0/23 IP Routing via htcnet.de}
			PTR	`mx1.gerstbau.de`
MX	`mx2.gerstbau.de`⁽²⁰⁾
		A	194.242.13.250^{🇩🇪 DE-VOGT194.242.12.0/23 IP Routing via htcnet.de}
			PTR	`mx2.gerstbau.de`
TXT	`MS=ms84738316`
TXT	`apple-domain-verification=RyRckSlVfqxVFxux`
TXT	`swisssign-check=6kw7K5-kLE2dAU2hoewJrSCUoTs`
TXT	`v=spf1 include:gerstbau.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.126, 172.67.136.67
		IPv6 hints	2606:4700:3030::6815:1a7e, 2606:4700:3034::ac43:8843
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`hans.ns.cloudflare.com`dns@cloudflare.com serial=2410822266

`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=1785604104

Same first word

gerstbau.org

gerstbau.net

gerstbau.de

gerstbau.info

Similar names

DNS History

15 records (8 active, 7 former)

●NShans.ns.cloudflare.com2026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

●NSkia.ns.cloudflare.com2026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

○NSns1.blackfiber.net2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

○NSns2.blackfiber.net2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

○NSns3.blackfiber.net2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

○NSns4.blackfiber.net2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

○NSns5.blackfiber.net2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

●MXmx1.gerstbau.de2015-06-07 → 2026-08-01 · 2 obs

● 2015-06-07 14:32:58
● 2026-08-01 17:41:48

●MXmx2.gerstbau.de2026-06-25 → 2026-08-01 · 3 obs

○ 2016-08-13 19:02:44
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

○MXmx50.namemaster.de2015-06-07 → 2016-03-07 · 4 obs

● 2015-06-07 14:32:58
● 2016-03-07 10:44:06
○ 2016-08-13 19:02:44
○ 2026-08-01 17:41:48

●A104.21.26.1262026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

●A172.67.136.672026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

○A193.238.60.1012015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 14:32:58
● 2017-03-30 15:39:34
○ 2026-06-25 04:57:22
○ 2026-08-01 17:41:48

●A2606:4700:3030::6815:1a7e2026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

●A2606:4700:3034::ac43:88432026-06-25 → 2026-08-01 · 3 obs

○ 2017-03-30 15:39:34
● 2026-06-25 04:57:22
● 2026-08-01 17:41:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
gerstbau.org	kia.ns.cloudflare.com, hans.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.175

NS records: kia.ns.cloudflare.com, hans.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 472ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.67, 104.21.26.126`
AAAA	2	`2606:4700:3030::6815:1a7e, 2606:4700:3034::ac43:8843`
NS	2	`hans.ns.cloudflare.com, kia.ns.cloudflare.com`
MX	2	`mx1.gerstbau.de (pri: 10), mx2.gerstbau.de (pri: 20)`
TXT	4	`MS=ms84738316, apple-domain-verification=RyRckSlVfqxVFx...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hans.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

gerstbau.org points to the four IP addresses 104.21.26.126, 172.67.136.67, 2606:4700:3030::6815:1a7e and 2606:4700:3034::ac43:8843.

inapi.unixpi.com, cloudchaserejuice.com, www.rm588.com plus two other host names have IP numbers in common with gerstbau.org.

Name Servers

gerstbau.org uses two name servers for its delegation: hans.ns.cloudflare.com and kia.ns.cloudflare.com.

The name server configuration of gerstbau.org is shared with other domains, for instance alshamelkw.com, 1olimp.com, graceallenpark.com and two others.

At least some of gerstbau.org's name servers are shared with other domains, for example yairouter.com, legendsboxing.com, maek.xyz and two more.

It is common for these name servers to be used in conjunction with the name servers tom.ns.cloudflare.com, darwin.ns.cloudflare.com and brenda.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname hans.ns.cloudflare.com directs to 108.162.193.175, 172.64.33.175 and 173.245.59.175 along with 3 other IP addresses.

Hostname kia.ns.cloudflare.com directs to 108.162.192.179, 172.64.32.179 and 173.245.58.179 along with 3 other IP addresses.

Mail Servers

gerstbau.org uses two mail servers, mx1.gerstbau.de and mx2.gerstbau.de.

The mail server setup of gerstbau.org is identical to that of domains like gerstbau.de, gerstbau.info and gerstbau.net.

Each of mx1.gerstbau.de and mx2.gerstbau.de has one IP address: mx1.gerstbau.de uses 194.242.12.250 and mx2.gerstbau.de uses 194.242.13.250.

gerstbau.org - robtex.com

gerstbau.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`gerstbau.org`

`org`