🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`reactivedesignpatterns.com`

DNSSEC	🔒 Signed (DS record present)
A	2a01:4f8:172:99d::5:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	138.201.48.158^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
NS	`ns.reactivedesignpatterns.com` ⭐
		A	2a01:4f8:172:99d::53^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.rkuhn.info`
		A	138.201.48.158^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
			PTR	`lethe.rkuhn.info`
NS	`ns1.domaindiscount24.net`
		A	2a04:2b00:14cc::34^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns1.monikerdns.net`
			PTR	`ns34.i.centralnic-dns.com`
		A	193.227.117.34^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns1.domaindiscount24.net`
NS	`ns2.domaindiscount24.net`
		A	2a04:2b00:14dd::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns2.monikerdns.net`
			PTR	`ns34.j.centralnic-dns.com`
		A	194.50.187.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns2.domaindiscount24.net`
NS	`ns3.domaindiscount24.net`
		A	2a04:2b00:14ee::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48}
			PTR	`ns3.monikerdns.net`
			PTR	`ns34.k.centralnic-dns.com`
		A	194.0.182.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24}
			PTR	`ns3.domaindiscount24.net`
MX	`lethe.rkuhn.info` ⭐
		A	2a01:4f8:172:99d::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`lethe.rkuhn.info`
		A	138.201.48.158^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
			PTR	`lethe.rkuhn.info`
TXT	`v=spf1 mx -all`
SOA	`ns.reactivedesignpatterns.com`hostmaster@reactivedesignpatterns.com 2025-12-17 #81

`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=1790195639

Same first word

reactivedesignpatterns.org

reactivedesignpatterns.com

Previous names

Next names

DNS History

10 records (7 active, 3 former)

●NSns.reactivedesignpatterns.com2017-04-09 → 2026-09-23 · 3 obs

○ 2016-07-19 10:12:34
● 2017-04-09 01:23:50
● 2026-09-23 20:36:46

●NSns1.domaindiscount24.net2015-07-12 → 2026-09-23 · 5 obs

● 2015-07-12 00:58:50
● 2016-07-19 10:12:34
○ 2017-04-09 01:23:50
● 2026-09-22 21:26:58
● 2026-09-23 20:36:46

○NSns1.key-systems.net2017-04-09 → 2017-04-09 · 4 obs

○ 2016-07-19 10:12:34
● 2017-04-09 01:23:50
○ 2026-09-22 21:26:58
○ 2026-09-23 20:36:46

●NSns2.domaindiscount24.net2015-07-12 → 2026-09-23 · 5 obs

● 2015-07-12 00:58:50
● 2016-07-19 10:12:34
○ 2017-04-09 01:23:50
● 2026-09-22 21:26:58
● 2026-09-23 20:36:46

○NSns2.key-systems.net2017-04-09 → 2017-04-09 · 4 obs

○ 2016-07-19 10:12:34
● 2017-04-09 01:23:50
○ 2026-09-22 21:26:58
○ 2026-09-23 20:36:46

●NSns3.domaindiscount24.net2015-07-12 → 2026-09-23 · 5 obs

● 2015-07-12 00:58:50
● 2016-07-19 10:12:34
○ 2017-04-09 01:23:50
● 2026-09-22 21:26:58
● 2026-09-23 20:36:46

○NSns3.key-systems.net2017-04-09 → 2017-04-09 · 4 obs

○ 2016-07-19 10:12:34
● 2017-04-09 01:23:50
○ 2026-09-22 21:26:58
○ 2026-09-23 20:36:46

●MXlethe.rkuhn.info2017-04-09 → 2026-09-23 · 2 obs

● 2017-04-09 01:23:50
● 2026-09-23 20:36:46

●A138.201.48.1582017-04-09 → 2026-09-23 · 2 obs

● 2017-04-09 01:23:50
● 2026-09-23 20:36:46

●A2a01:4f8:172:99d::5:12017-04-09 → 2026-09-23 · 2 obs

● 2017-04-09 01:23:50
● 2026-09-23 20:36:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
reactivedesignpatterns.com	ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net, ns.reactivedesignpatterns.com	2 records

✅ Authoritative Response

Server:194.50.187.34

NS records: ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net, ns.reactivedesignpatterns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1019ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.201.48.158`
AAAA	1	`2a01:4f8:172:99d::5:1`
NS	4	`ns.reactivedesignpatterns.com, ns1.domaindiscount24.net...`
MX	1	`lethe.rkuhn.info (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns.reactivedesignpatterns.com hostmaster`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.reactivedesignpatterns.com, ns.reactivedesignpatterns.com)

Analysis

IP Addresses

reactivedesignpatterns.com points to the IP addresses 138.201.48.158 and 2a01:4f8:172:99d::5:1

Two other host names, along with lethe.rkuhn.info, rkuhn.info and reactivedesignpatterns.org, also share IP numbers with reactivedesignpatterns.com.

Name Servers

The NS records for reactivedesignpatterns.com point to four name servers: ns.reactivedesignpatterns.com, ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.

The name servers of reactivedesignpatterns.com overlap at least partially with those of other domains — among them mmpsychology.co.uk, mittelmeerkreuzfahrt.at, europaviaggi.eu and two more.

Each of the four hosts ns.reactivedesignpatterns.com, ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net has two IP addresses. ns.reactivedesignpatterns.com points to 138.201.48.158 and 2a01:4f8:172:99d::53. ns1.domaindiscount24.net points to 193.227.117.34 and 2a04:2b00:14cc::34. ns2.domaindiscount24.net points to 194.50.187.34 and 2a04:2b00:14dd::34. ns3.domaindiscount24.net points to 194.0.182.34 and 2a04:2b00:14ee::34.

Mail Servers

The sole mail server for reactivedesignpatterns.com is lethe.rkuhn.info.

Among the domains sharing a mail server setup with reactivedesignpatterns.com are kapitany.de, pionic.info, heisenbug.info and two others.

lethe.rkuhn.info resolves to two IP numbers — 138.201.48.158 and 2a01:4f8:172:99d::2.

reactivedesignpatterns.com - robtex.com