`open7c.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:1c17:7dec::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`open7c.com`
A	159.69.189.167^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
NS	`alec.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alec.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alec.ns.cloudflare.com`
		A	108.162.193.59^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	172.64.33.59^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	173.245.59.59^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
NS	`donna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
MX	`open7c.com` ⭐
		A	2a01:4f8:1c17:7dec::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`open7c.com`
		A	159.69.189.167^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`open7c.com`
TXT	`google-site-verification=X5Z6Tsw2CHKfx_GfPNINDPYHpI-ZwvFovBTWHdMO5oQ`
TXT	`v=spf1 mx -all`
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2399314111

`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=1774526022

PTR for

167.189.69.159.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.c.e.d.7.7.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa

MX for

obd-tuning.at

open7c.com

Subdomains

piwik.open7c.com

mail.open7c.com

Same first word

open7c.com

DNS History

15 records (5 active, 10 former)

●NSalec.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2017-11-10 03:33:12
● 2026-03-23 16:44:00
● 2026-03-26 12:20:36

●NSdonna.ns.cloudflare.com2026-03-23 → 2026-03-26 · 3 obs

○ 2017-11-10 03:33:12
● 2026-03-23 16:44:00
● 2026-03-26 12:20:36

○NSns-de.1and1-dns.biz2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
○ 2026-03-26 12:20:36

○NSns-de.1and1-dns.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
○ 2026-03-26 12:20:36

○NSns-de.1and1-dns.de2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
○ 2026-03-26 12:20:36

○NSns-de.1and1-dns.org2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
○ 2026-03-26 12:20:36

○NSns1.first-ns.de2017-11-10 → 2017-11-10 · 4 obs

○ 2016-12-14 03:21:12
● 2017-11-10 03:33:12
○ 2026-03-23 16:44:00
○ 2026-03-26 12:20:36

○NSrobotns2.second-ns.de2017-11-10 → 2017-11-10 · 4 obs

○ 2016-12-14 03:21:12
● 2017-11-10 03:33:12
○ 2026-03-23 16:44:00
○ 2026-03-26 12:20:36

○NSrobotns3.second-ns.com2017-11-10 → 2017-11-10 · 4 obs

○ 2016-12-14 03:21:12
● 2017-11-10 03:33:12
○ 2026-03-23 16:44:00
○ 2026-03-26 12:20:36

○MXmail.open7c.com2017-11-10 → 2017-11-10 · 4 obs

○ 2016-12-14 03:21:12
● 2017-11-10 03:33:12
○ 2026-03-23 16:44:00
○ 2026-03-26 12:20:36

●MXopen7c.com2016-12-14 → 2026-03-26 · 4 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
● 2026-03-23 16:44:00
● 2026-03-26 12:20:36

○A148.251.122.692016-12-14 → 2017-11-10 · 4 obs

● 2016-12-14 03:21:12
● 2017-11-10 03:33:12
○ 2026-03-23 16:44:00
○ 2026-03-26 12:20:36

●A159.69.189.1672026-03-23 → 2026-03-26 · 3 obs

○ 2017-11-10 03:33:12
● 2026-03-23 16:44:00
● 2026-03-26 12:20:36

●A2a01:4f8:1c17:7dec::12026-03-23 → 2026-03-26 · 3 obs

○ 2017-11-10 03:33:12
● 2026-03-23 16:44:00
● 2026-03-26 12:20:36

○A2a01:4f8:210:1244::22016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 03:21:12
○ 2017-11-10 03:33:12
○ 2026-03-26 12:20:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
open7c.com	donna.ns.cloudflare.com, alec.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.59

NS records: donna.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open7c.com (unsigned zone)

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.69.189.167`
AAAA	1	`2a01:4f8:1c17:7dec::1`
NS	2	`alec.ns.cloudflare.com, donna.ns.cloudflare.com`
MX	1	`open7c.com (pri: 10)`
TXT	2	`google-site-verification=X5Z6Tsw2CHKfx_G, v=spf1 mx -all`
SOA	1	`alec.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (donna.ns.cloudflare.com, donna.ns.cloudflare.com, donna.ns.cloudflare.com...)

Analysis

Hierarchy

open7c.com is a parent of piwik.open7c.com and mail.open7c.com.

Mail Server Role

open7c.com serves as the mail server for obd-tuning.at and open7c.com.

IP Addresses

open7c.com points to two IP numbers: 2a01:4f8:1c17:7dec::1 and 159.69.189.167.

Other host names, for instance obd-tuning.at and kallos.at, share IP numbers with open7c.com.

Name Servers

open7c.com is delegated to two name servers: alec.ns.cloudflare.com and donna.ns.cloudflare.com.

open7c.com shares the same name server setup as obd-tuning.at, remark-able.at, hoodoo.tech, lifescienceindonesia.com and projetoeureka.com.br.

open7c.com at least partially shares name servers with other domains, for instance laurusmath.com, changefox.com, safrasecifras.com.br, sarniacasino.com and lyfvip.com.

These name servers are commonly used with jose.ns.cloudflare.com and moura.ns.cloudflare.com.

Host names with six IP numbers:

alec.ns.cloudflare.com points to 2606:4700:58::adf5:3b3b, 2803:f800:50::6ca2:c13b, 2a06:98c1:50::ac40:213b, 108.162.193.59, 172.64.33.59 and 173.245.59.59.

donna.ns.cloudflare.com points to 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.

Mail Servers

open7c.com is handled by a single mail server, open7c.com.

The mail server setup for open7c.com mirrors that of other domains, for instance obd-tuning.at.

open7c.com points to two IPs: 2a01:4f8:1c17:7dec::1 and 159.69.189.167.

open7c.com - robtex.com

open7c.com

com

PTR for

MX for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`open7c.com`

`com`