`osthus-partner.de`

DNSSEC	⚠️ Not signed
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx01.hornetsecurity.com` ⭐
		A	94.100.132.8^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23}
			PTR	`mx01.hornetsecurity.com`
MX	`mx02.hornetsecurity.com`⁽²⁰⁾
		A	94.100.136.8^{🇩🇪 AS2467994.100.136.0/23}
			PTR	`mx02.hornetsecurity.com`
MX	`mx03.hornetsecurity.com`⁽³⁰⁾
		A	94.100.134.8^{🇩🇪 NCORE-AS94.100.134.0/24}
			PTR	`mx03.hornetsecurity.com`
MX	`mx04.hornetsecurity.com`⁽⁴⁰⁾
		A	94.100.136.7^{🇩🇪 AS2467994.100.136.0/23}
			PTR	`mx04.hornetsecurity.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-10-22 #6

`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=1784463001

Subdomains

mx.osthus-partner.de

Same first word

osthus-partner.de

DNS History

14 records (7 active, 7 former)

●NSns.udag.de2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

●NSns.udag.net2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

●NSns.udag.org2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

○NSns1.namemaster.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

○NSns2.namemaster.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

○NSns3.namemaster.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

○NSns4.namemaster.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

○MXmx.osthus-partner.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

●MXmx01.hornetsecurity.com2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

●MXmx02.hornetsecurity.com2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

●MXmx03.hornetsecurity.com2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

●MXmx04.hornetsecurity.com2026-02-14 → 2026-07-19 · 3 obs

○ 2017-06-22 04:40:20
● 2026-02-14 21:07:24
● 2026-07-19 12:19:28

○MXmx50.namemaster.de2015-06-25 → 2017-06-22 · 4 obs

● 2015-06-25 20:28:22
● 2017-06-22 04:40:20
○ 2026-02-14 21:07:24
○ 2026-07-19 12:19:28

○A46.38.233.472015-06-25 → 2026-02-14 · 4 obs

● 2015-06-25 20:28:22
● 2026-02-14 21:07:24
○ 2026-05-04 13:08:30
○ 2026-07-19 12:19:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
osthus-partner.de	ns.udag.de, ns.udag.net, ns.udag.org	2 records

✅ Authoritative Response

Server:185.132.33.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osthus-partner.de (unsigned zone)

⏱️ Timing

Total: 4512ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns.udag.org, ns.udag.net...`
MX	4	`mx02.hornetsecurity.com (pri: 20), mx04.hornetsecurity.com (pri: 40)...`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

Hierarchy

osthus-partner.de is the parent zone for mx.osthus-partner.de.

Name Servers

DNS for osthus-partner.de is handled by three authoritative name servers: ns.udag.de, ns.udag.net and ns.udag.org.

osthus-partner.de partially shares its NS delegation with several other domains, including inventoryx.de, eibland.de, stamokap.org and two others.

Three hostnames — ns.udag.de, ns.udag.net and ns.udag.org — each have two IP addresses: ns.udag.de has 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net has 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org has 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

osthus-partner.de has four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

osthus-partner.de has at least partial mail server overlap with other domains such as siankaba.net, sensilab.es, muetsch.de and two more.

Each of the four hosts mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com points to a single IP address — mx01.hornetsecurity.com points to 94.100.132.8, mx02.hornetsecurity.com points to 94.100.136.8, mx03.hornetsecurity.com points to 94.100.134.8 and mx04.hornetsecurity.com points to 94.100.136.7.

osthus-partner.de - robtex.com