🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`referencecase.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:1c1a:57ca::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	2.28.197.27^{🇬🇧 BT-UK-AS2.24.0.0/13}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`www4.your-server.de` ⭐
		A	2a01:4f8:d0a:27bd::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www4.your-server.de`
		A	88.198.219.246^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`www4.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-10-01 #6

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1790907449

Same first word

referencecase.com

referencecase.xyz

Similar names

casereference.com

Previous names

Next names

DNS History

15 records (6 active, 9 former)

●NSns.second-ns.com2026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

○NSns01.domaincontrol.com2015-06-05 → 2015-10-21 · 4 obs

● 2015-06-05 12:02:04
● 2015-10-21 22:30:36
○ 2016-01-17 02:22:54
○ 2026-10-02 02:38:02

○NSns02.domaincontrol.com2015-06-05 → 2015-10-21 · 4 obs

● 2015-06-05 12:02:04
● 2015-10-21 22:30:36
○ 2016-01-17 02:22:54
○ 2026-10-02 02:38:02

●NSns1.your-server.de2026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

●NSns3.second-ns.de2026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

○NSns71.worldnic.com2016-12-04 → 2018-06-23 · 5 obs

○ 2016-01-17 02:22:54
● 2016-12-04 02:18:34
● 2018-06-23 10:36:50
○ 2026-10-01 13:16:16
○ 2026-10-02 02:38:02

○NSns72.worldnic.com2016-12-04 → 2018-06-23 · 5 obs

○ 2016-01-17 02:22:54
● 2016-12-04 02:18:34
● 2018-06-23 10:36:50
○ 2026-10-01 13:16:16
○ 2026-10-02 02:38:02

○MXmailstore1.secureserver.net2015-06-05 → 2015-10-21 · 4 obs

● 2015-06-05 12:02:04
● 2015-10-21 22:30:36
○ 2016-01-17 02:22:54
○ 2026-10-02 02:38:02

○MXp.webcom.ctmail.com2016-12-04 → 2018-06-23 · 5 obs

○ 2016-01-17 02:22:54
● 2016-12-04 02:18:34
● 2018-06-23 10:36:50
○ 2026-10-01 13:16:16
○ 2026-10-02 02:38:02

○MXsmtp.secureserver.net2015-06-05 → 2015-10-21 · 4 obs

● 2015-06-05 12:02:04
● 2015-10-21 22:30:36
○ 2016-01-17 02:22:54
○ 2026-10-02 02:38:02

●MXwww4.your-server.de2026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

○A184.168.221.602015-06-05 → 2015-10-21 · 4 obs

● 2015-06-05 12:02:04
● 2015-10-21 22:30:36
○ 2016-01-17 02:22:54
○ 2026-10-02 02:38:02

●A2.28.197.272026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

○A208.91.197.272016-12-04 → 2018-06-23 · 5 obs

○ 2016-01-17 02:22:54
● 2016-12-04 02:18:34
● 2018-06-23 10:36:50
○ 2026-10-01 13:16:16
○ 2026-10-02 02:38:02

●A2a01:4f8:1c1a:57ca::12026-10-01 → 2026-10-02 · 3 obs

○ 2018-06-23 10:36:50
● 2026-10-01 13:16:16
● 2026-10-02 02:38:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
referencecase.com	ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de	2 records

✅ Authoritative Response

Server:193.47.99.4

NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 998ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`2.28.197.27`
AAAA	1	`2a01:4f8:1c1a:57ca::1`
NS	3	`ns3.second-ns.de, ns.second-ns.com...`
MX	1	`www4.your-server.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)

Analysis

IP Addresses

referencecase.com resolves to the IP addresses 2.28.197.27 and 2a01:4f8:1c1a:57ca::1

Name Servers

Three name servers are authoritative for referencecase.com: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

referencecase.com shares at least some of its name servers with other domains, including turkgucu-gt.de, unser-engelskirchen.de, 2.98.91.clients.your-server.de and two others.

ns.second-ns.com resolves to 213.239.204.242 and 2a01:4f8:0:a101::b:1. ns3.second-ns.de resolves to 193.47.99.4 and 2001:67c:192c::add:b3. ns1.your-server.de resolves to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1. All three hostnames point to two IP numbers each.

Mail Servers

referencecase.com uses one mail server — www4.your-server.de.

The mail server setup of referencecase.com matches that of other domains such as saxumit.com, zengarten-berlin.de, dragon-heart.de and two others.

referencecase.com shares at least some of its mail servers with other domains, such as fair-pure.fr.

www4.your-server.de points to two IP addresses: 88.198.219.246 and 2a01:4f8:d0a:27bd::2.

referencecase.com - robtex.com