doesum.de - dns.ninja

`doesum.de`

DNSSEC	⚠️ Not signed
A	2001:7b8:618:a:213:154:231:200^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
		PTR	`web0100.theory7.net`
A	213.154.231.200^{🇳🇱 NL-BIT213.154.224.0/19 BIT B.V.}
NS	`ns.theory7.net` ⭐
		A	2001:1af8:4700:a125:22::53^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	62.212.95.148^{🇳🇱 LEASEWEB-NL-AMS-0162.212.64.0/19 LEASEWEB}
NS	`ns.theory7.eu`
		A	2a01:4f8:1c1e:4918::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	188.245.108.163^{🇩🇪 Hetzner188.245.0.0/16 HETZNER-DC}
			PTR	`static.163.108.245.188.clients.your-server.de`
NS	`ns.theory7.nl`
		A	2001:7b8:618:a:213:154:231:141^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
		A	213.154.231.141^{🇳🇱 NL-BIT213.154.224.0/19 BIT B.V.}
MX	`mail.doesum.de` ⭐
		A	2001:7b8:618:a:213:154:231:200^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`web0100.theory7.net`
		A	213.154.231.200^{🇳🇱 NL-BIT213.154.224.0/19 BIT B.V.}
TXT	`v=spf1 a mx ip4:213.154.231.200 include:filter.theory7.net ip6:2001:7b8:618...`
SOA	`ns.theory7.net`hostmaster@doesum.de 2025-08-20 #7

`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=1785937614

Subdomains

mail.doesum.de

Same first word

doesum.us

doesum.at

doesum.es

doesum.co.uk

doesum.com

doesum.be

doesum.it

doesum.de

doesum.net

doesum.nl

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DNS History

11 records (6 active, 5 former)

●NSns.theory7.eu2026-06-15 → 2026-08-05 · 3 obs

○ 2017-04-07 08:25:04
● 2026-06-15 07:00:42
● 2026-08-05 14:02:10

●NSns.theory7.net2026-06-15 → 2026-08-05 · 3 obs

○ 2017-04-07 08:25:04
● 2026-06-15 07:00:42
● 2026-08-05 14:02:10

●NSns.theory7.nl2026-06-15 → 2026-08-05 · 3 obs

○ 2017-04-07 08:25:04
● 2026-06-15 07:00:42
● 2026-08-05 14:02:10

○NSns1.hostnet.nl2015-05-27 → 2017-04-07 · 4 obs

● 2015-05-27 11:05:36
● 2017-04-07 08:25:04
○ 2026-06-15 07:00:42
○ 2026-08-05 14:02:10

○NSns2.hostnetbv.com2015-05-27 → 2017-04-07 · 4 obs

● 2015-05-27 11:05:36
● 2017-04-07 08:25:04
○ 2026-06-15 07:00:42
○ 2026-08-05 14:02:10

○NSns3.hostnetbv.nl2015-05-27 → 2017-04-07 · 4 obs

● 2015-05-27 11:05:36
● 2017-04-07 08:25:04
○ 2026-06-15 07:00:42
○ 2026-08-05 14:02:10

●MXmail.doesum.de2015-05-27 → 2026-08-05 · 2 obs

● 2015-05-27 11:05:36
● 2026-08-05 14:02:10

○MXmx1.hostnet.nl2015-05-27 → 2017-04-07 · 4 obs

● 2015-05-27 11:05:36
● 2017-04-07 08:25:04
○ 2026-06-15 07:00:42
○ 2026-08-05 14:02:10

●A2001:7b8:618:a:213:154:231:2002026-06-15 → 2026-08-05 · 3 obs

○ 2017-04-07 08:25:04
● 2026-06-15 07:00:42
● 2026-08-05 14:02:10

●A213.154.231.2002026-06-15 → 2026-08-05 · 3 obs

○ 2017-04-07 08:25:04
● 2026-06-15 07:00:42
● 2026-08-05 14:02:10

○A91.184.0.1002015-05-27 → 2017-04-07 · 4 obs

● 2015-05-27 11:05:36
● 2017-04-07 08:25:04
○ 2026-06-15 07:00:42
○ 2026-08-05 14:02:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
doesum.de	ns.theory7.nl, ns.theory7.eu, ns.theory7.net	-

✅ Authoritative Response

Server:213.154.231.141

NS records: ns.theory7.nl, ns.theory7.eu, ns.theory7.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doesum.de (unsigned zone)

⏱️ Timing

Total: 1502ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.154.231.200`
AAAA	1	`2001:7b8:618:a:213:154:231:200`
NS	3	`ns.theory7.nl, ns.theory7.net...`
MX	1	`mail.doesum.de (pri: 10)`
TXT	1	`v=spf1 a mx ip4:213.154.231.200 include`
SOA	1	`ns.theory7.net hostmaster.doesum.de`

Analysis

Hierarchy

The domain mail.doesum.de falls under the parent doesum.de.

IP Addresses

doesum.de points to the IP addresses 213.154.231.200 and 2001:7b8:618:a:213:154:231:200

Two other host names, along with doesum.es, ml0.nl and besteonlinewinkels.com, also share IP numbers with doesum.de.

Name Servers

DNS for doesum.de is handled by three authoritative name servers: ns.theory7.eu, ns.theory7.net and ns.theory7.nl.

At least some of doesum.de's name servers are shared with other domains, for example dementiepas.nl, shop1.nl, vangigch.org and two more.

These name servers tend to be deployed in combination with the name servers ns1.criticalhost.nl and ns2.criticalhost.nl.

Three hostnames — ns.theory7.eu, ns.theory7.net and ns.theory7.nl — each have two IP addresses: ns.theory7.eu has 188.245.108.163 and 2a01:4f8:1c1e:4918::1, ns.theory7.net has 62.212.95.148 and 2001:1af8:4700:a125:22::53, and ns.theory7.nl has 213.154.231.141 and 2001:7b8:618:a:213:154:231:141.

Mail Servers

The sole mail server for doesum.de is mail.doesum.de.

mail.doesum.de directs to two IP numbers, 213.154.231.200 and 2001:7b8:618:a:213:154:231:200.