`openwaveguide.de`

DNSSEC	🔒 Signed (DS record present)
A	148.251.128.183^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
		PTR	`www.failover.de`
NS	`ns1.core-networks.de` ⭐
		A	2001:1bc0:d::fffe^{🇩🇪 PROBENETWORKS-AS2001:1bc0::/32 Probe Networks european network}
			PTR	`ns1.core-networks.de`
		A	194.213.5.254^{🇩🇪 PROBENETWORKS-AS194.213.5.0/24 Core Networks GmbH}
			PTR	`ns1.core-networks.de`
NS	`ns2.core-networks.eu`
		A	2a02:f98:0:22::ffff^{🇩🇪 SURFPLANET-AS2a02:f98::/32 Surfplanet GmbH PA-Block}
			PTR	`ns2.core-networks.eu`
		A	78.111.72.98^{🇩🇪 SURFPLANET-AS78.111.64.0/20 Surfplanet GmbH PA-Block}
			PTR	`ns2.core-networks.eu`
NS	`ns3.core-networks.com`
		A	2001:1bc0:d::ffff^{🇩🇪 PROBENETWORKS-AS2001:1bc0::/32 Probe Networks european network}
			PTR	`ns3.core-networks.com`
		A	82.96.73.254^{🇩🇪 PROBENETWORKS-AS82.96.64.0/18 Probe Networks european network}
			PTR	`ns3.core-networks.com`
MX	`mx.failover.de` ⭐
		A	148.251.128.182^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`mx.failover.de`
TXT	`v=spf1 mx -all`
SOA	`ns1.core-networks.de`hostmaster@core-networks.de 2024-09-19 #77

`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=1774522973

Same first word

openwaveguide.de

DNS History

7 records (5 active, 2 former)

●NSns1.core-networks.de2026-03-26 → 2026-03-26 · 3 obs

○ 2017-05-22 19:03:44
● 2026-03-26 04:52:16
● 2026-03-26 11:29:32

○NSns1.goneo.de2015-08-19 → 2017-05-22 · 4 obs

● 2015-08-19 09:43:30
● 2017-05-22 19:03:44
○ 2026-03-26 04:52:16
○ 2026-03-26 11:29:32

●NSns2.core-networks.eu2026-03-26 → 2026-03-26 · 3 obs

○ 2017-05-22 19:03:44
● 2026-03-26 04:52:16
● 2026-03-26 11:29:32

○NSns2.goneo.de2015-08-19 → 2017-05-22 · 4 obs

● 2015-08-19 09:43:30
● 2017-05-22 19:03:44
○ 2026-03-26 04:52:16
○ 2026-03-26 11:29:32

●NSns3.core-networks.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-05-22 19:03:44
● 2026-03-26 04:52:16
● 2026-03-26 11:29:32

●MXmx.failover.de2015-08-19 → 2026-03-26 · 2 obs

● 2015-08-19 09:43:30
● 2026-03-26 11:29:32

●A148.251.128.1832015-08-19 → 2026-03-26 · 2 obs

● 2015-08-19 09:43:30
● 2026-03-26 11:29:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
openwaveguide.de	ns1.core-networks.de, ns2.core-networks.eu, ns3.core-networks.com	2 records

✅ Authoritative Response

Server:194.213.5.254

NS records: ns1.core-networks.de, ns2.core-networks.eu, ns3.core-networks.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`148.251.128.183`
NS	3	`ns2.core-networks.eu, ns1.core-networks.de...`
MX	1	`mx.failover.de (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.core-networks.de hostmaster.core-net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.core-networks.de, ns1.core-networks.de)

Analysis

IP Addresses

openwaveguide.de points to a single IP number: 148.251.128.183.

Other host names, for example failover.eu, menole.de, failover.de and www.failover.de share IP numbers with openwaveguide.de.

Name Servers

The domain openwaveguide.de is delegated to three name servers: ns3.core-networks.com, ns1.core-networks.de and ns2.core-networks.eu.

openwaveguide.de shares name servers with other domains at least partially, for instance timowi.de, sbalzarini.net, schwarz-rot-petticoat.de, dargels.de and bit-popler.de.

Host names with two IP numbers:

ns3.core-networks.com points to 2001:1bc0:d::ffff and 82.96.73.254

ns1.core-networks.de points to 2001:1bc0:d::fffe and 194.213.5.254

ns2.core-networks.eu points to 2a02:f98:0:22::ffff and 78.111.72.98

Mail Servers

The mail server for openwaveguide.de is mx.failover.de.

openwaveguide.de shares the same mail server setup as other domains such as failover.eu, menole.de and failover.de.

Host name mx.failover.de resolves to IP 148.251.128.182.

openwaveguide.de - robtex.com