`numerus-brittonum.de`

DNSSEC	🔒 Signed (DS record present)
A	37.120.179.122^{🇩🇪 netcup-AS37.120.176.0/22}
		PTR	`serverus.numerus-brittonum.de`
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.numerus-brittonum.de` ⭐
		A	2a03:4000:6:81d0::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`serverus.numerus-brittonum.de`
		A	37.120.179.122^{🇩🇪 netcup-AS37.120.176.0/22}
			PTR	`serverus.numerus-brittonum.de`
TXT	`v=spf1 mx -all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-04-13 #11

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776167759

Subdomains

serverus.numerus-brittonum.de

mail.numerus-brittonum.de

Same first word

numerus-brittonum.de

DNS History

11 records (5 active, 6 former)

○NSns1.first-ns.de2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 21:09:56
● 2016-09-22 00:25:08
○ 2017-08-07 04:41:50
○ 2026-04-14 12:15:18

○NSrobotns2.second-ns.de2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 21:09:56
● 2016-09-22 00:25:08
○ 2017-08-07 04:41:50
○ 2026-04-14 12:15:18

○NSrobotns3.second-ns.com2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 21:09:56
● 2016-09-22 00:25:08
○ 2017-08-07 04:41:50
○ 2026-04-14 12:15:18

●NSroot-dns.netcup.net2017-08-07 → 2026-04-14 · 3 obs

○ 2016-09-22 00:25:08
● 2017-08-07 04:41:50
● 2026-04-14 12:15:18

●NSsecond-dns.netcup.net2017-08-07 → 2026-04-14 · 3 obs

○ 2016-09-22 00:25:08
● 2017-08-07 04:41:50
● 2026-04-14 12:15:18

●NSthird-dns.netcup.net2017-08-07 → 2026-04-14 · 3 obs

○ 2016-09-22 00:25:08
● 2017-08-07 04:41:50
● 2026-04-14 12:15:18

●MXmail.numerus-brittonum.de2026-02-17 → 2026-04-14 · 3 obs

○ 2017-08-07 04:41:50
● 2026-02-17 05:29:08
● 2026-04-14 12:15:18

○MXmx1.it-kult.net2015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 21:09:56
● 2016-09-22 00:25:08
○ 2017-08-07 04:41:50
○ 2026-04-14 12:15:18

○MXserverus.numerus-brittonum.de2017-08-07 → 2017-08-07 · 4 obs

○ 2016-09-22 00:25:08
● 2017-08-07 04:41:50
○ 2026-02-17 05:29:08
○ 2026-04-14 12:15:18

●A37.120.179.1222017-08-07 → 2026-04-14 · 3 obs

○ 2016-09-22 00:25:08
● 2017-08-07 04:41:50
● 2026-04-14 12:15:18

○A78.46.80.912015-06-05 → 2016-09-22 · 4 obs

● 2015-06-05 21:09:56
● 2016-09-22 00:25:08
○ 2017-08-07 04:41:50
○ 2026-04-14 12:15:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
numerus-brittonum.de	third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 832ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.120.179.122`
NS	3	`third-dns.netcup.net, second-dns.netcup.net...`
MX	1	`mail.numerus-brittonum.de (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

numerus-brittonum.de is a parent of serverus.numerus-brittonum.de and mail.numerus-brittonum.de.

IP Addresses

numerus-brittonum.de points to a single IP number: 37.120.179.122.

Other host names such as serverus.numerus-brittonum.de and mail.numerus-brittonum.de share IP numbers with numerus-brittonum.de.

Name Servers

The delegation for numerus-brittonum.de is handled by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

numerus-brittonum.de at least partially shares name servers with other domains, for instance p2pframework.de, leitstelle-su.de, eidner.email, code-factory.de and bhalbauer.de.

Two IP numbers per host:

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.

Mail Servers

numerus-brittonum.de is handled by a single mail server, mail.numerus-brittonum.de.

mail.numerus-brittonum.de resolves to two IP numbers: 2a03:4000:6:81d0::1 and 37.120.179.122.

numerus-brittonum.de - robtex.com