🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`protocolbench.com`

DNSSEC	⚠️ Not signed
A	2a03:4000:30:96ce::13:9113^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	91.204.46.91^{🇩🇪 netcup-AS91.204.46.0/24}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.protocolbench.com` ⭐
		A	91.204.46.93^{🇩🇪 netcup-AS91.204.46.0/24}
			PTR	`mx2e5d.netcup.net`
MX	`mx2e5d.netcup.net`⁽⁵⁰⁾
		A	2a03:4000:0:3e8:4e5:57ff:fe39:1e09^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`mx2e5d.netcup.net`
		A	91.204.46.93^{🇩🇪 netcup-AS91.204.46.0/24}
			PTR	`mx2e5d.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2021-02-24 #14

`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=1788656218

Same first word

protocolbench.net

protocolbench.dev

protocolbench.com

Previous names

Next names

DNS History

12 records (7 active, 5 former)

○NSdocks01.rzone.de2015-05-24 → 2018-06-16 · 4 obs

● 2015-05-24 04:44:52
● 2018-06-16 01:36:32
○ 2026-08-29 06:52:24
○ 2026-09-06 01:25:10

●NSroot-dns.netcup.net2026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

●NSsecond-dns.netcup.net2026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

○NSshades03.rzone.de2015-05-24 → 2018-06-16 · 4 obs

● 2015-05-24 04:44:52
● 2018-06-16 01:36:32
○ 2026-08-29 06:52:24
○ 2026-09-06 01:25:10

●NSthird-dns.netcup.net2026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

●MXmail.protocolbench.com2026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

●MXmx2e5d.netcup.net2026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

○MXsmtp.rzone.de2015-05-24 → 2018-06-16 · 4 obs

● 2015-05-24 04:44:52
● 2018-06-16 01:36:32
○ 2026-08-29 06:52:24
○ 2026-09-06 01:25:10

○A2a01:238:20a:202:1090::2015-05-24 → 2018-06-16 · 4 obs

● 2015-05-24 04:44:52
● 2018-06-16 01:36:32
○ 2026-08-29 06:52:24
○ 2026-09-06 01:25:10

●A2a03:4000:30:96ce::13:91132026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

○A81.169.145.902015-05-24 → 2018-06-16 · 4 obs

● 2015-05-24 04:44:52
● 2018-06-16 01:36:32
○ 2026-08-29 06:52:24
○ 2026-09-06 01:25:10

●A91.204.46.912026-08-29 → 2026-09-06 · 3 obs

○ 2018-06-16 01:36:32
● 2026-08-29 06:52:24
● 2026-09-06 01:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
protocolbench.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protocolbench.com (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.204.46.91`
AAAA	1	`2a03:4000:30:96ce::13:9113`
NS	3	`third-dns.netcup.net, root-dns.netcup.net...`
MX	2	`mx2e5d.netcup.net (pri: 50), mail.protocolbench.com (pri: 10)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

IP Addresses

protocolbench.com has two IP addresses: 91.204.46.91 and 2a03:4000:30:96ce::13:9113

Additional host names — fluchtplanhamburg.de, meer-freiraum.de, fusko.online and two others — share IP numbers with protocolbench.com.

Name Servers

protocolbench.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

At least some of protocolbench.com's name servers are shared with other domains, for example marktzeuln.de, campfy.de, stardeal.de and two more.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

protocolbench.com has two mail servers: mail.protocolbench.com and mx2e5d.netcup.net.

protocolbench.com shares mail servers — at least in part — with other domains, including nerd-alert.de, yidlo.com, codecast.de and two others.

Host names with two IP numbers:

mx2e5d.netcup.net points to 91.204.46.93 and 2a03:4000:0:3e8:4e5:57ff:fe39:1e09.

Host names pointing to a single IP address:

mail.protocolbench.com points to 91.204.46.93.

mx2e5d.netcup.net and mail.protocolbench.com are host names that each point to 91.204.46.93 IP addresses.

protocolbench.com - robtex.com