`requirements.engineering`

DNSSEC	⚠️ Not signed
NS	`root-dns.netcup.net` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`engineering`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.engineering` ⭐
	NS	`v0n1.nic.engineering`
	NS	`v0n2.nic.engineering`
	NS	`v0n3.nic.engineering`
	NS	`v2n0.nic.engineering`
	NS	`v2n1.nic.engineering`
	SOA	`v0n0.nic.engineering`hostmaster@donuts.email serial=1774603131

Previously MX for

requirements.engineering

Same first word

DNS History

13 records (3 active, 10 former)

○NSns1.dnsowl.com2018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

○NSns1000.mochahost.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:58
○ 2018-09-04 07:08:56
○ 2026-03-27 09:37:52

○NSns2.dnsowl.com2018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

○NSns2000.mochahost.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:58
○ 2018-09-04 07:08:56
○ 2026-03-27 09:37:52

○NSns3.dnsowl.com2018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

●NSroot-dns.netcup.net2026-03-25 → 2026-03-27 · 3 obs

○ 2018-09-04 07:08:56
● 2026-03-25 22:01:42
● 2026-03-27 09:37:52

●NSsecond-dns.netcup.net2026-03-25 → 2026-03-27 · 3 obs

○ 2018-09-04 07:08:56
● 2026-03-25 22:01:42
● 2026-03-27 09:37:52

●NSthird-dns.netcup.net2026-03-25 → 2026-03-27 · 3 obs

○ 2018-09-04 07:08:56
● 2026-03-25 22:01:42
● 2026-03-27 09:37:52

○MXrequirements.engineering2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:58
○ 2018-09-04 07:08:56
○ 2026-03-27 09:37:52

○A107.161.23.2042018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

○A192.161.187.2002018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

○A198.38.82.292016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:58
○ 2018-09-04 07:08:56
○ 2026-03-27 09:37:52

○A209.141.38.712018-09-04 → 2018-09-04 · 4 obs

○ 2016-12-10 18:55:58
● 2018-09-04 07:08:56
○ 2026-03-25 22:01:42
○ 2026-03-27 09:37:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
engineering	v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering...	12 records
requirements.engineering	second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for requirements.engineering (unsigned zone)

⏱️ Timing

Total: 886ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.engineering, v0n0.nic.engineering, v0n1.nic.engineering...)

Analysis

Name Servers

requirements.engineering is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

requirements.engineering at least partially shares name servers with other domains, for instance hkamp.de, 47.195.159.in-addr.arpa, homepage-coburg.de, ediaas.de and 9webs.net.

Host names with two IP numbers:

root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225; second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199; third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.

requirements.engineering - robtex.com