`extreme-systems.de`

DNSSEC	⚠️ Not signed
A	62.113.218.46^{🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com}
		PTR	`plesk-3.insight-it.de`
NS	`ns3.insight-it.de` ⭐
		A	2a01:130:2000:118:89:146:248:4^{🇩🇪 INTERNET_AG2a01:130::/32 DE-NIC-20060621}
			PTR	`c.customer-auth.net`
		A	89.146.248.4^{🇩🇪 INTERNET_AG89.146.248.0/24}
			PTR	`c.customer-auth.net`
NS	`ns1.insight-it.de`
		A	62.113.218.46^{🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com}
			PTR	`plesk-3.insight-it.de`
NS	`ns2.insight-it.de`
		A	2001:8d8:580:401:217:160:113:37^{🇩🇪 IONOS-AS2001:8d8:580::/48 IONOS-AND-INTERNETX}
			PTR	`b.customer-auth.net`
		A	217.160.113.37^{🇩🇪 IONOS-AS217.160.113.0/24 IONOS-AND-INTERNETX}
			PTR	`b.customer-auth.net`
NS	`ns4.insight-it.de`
		A	2607:f1c0:1800:8091:74:208:254:4^{🇺🇸 IONOS-AS2607:f1c0:1800::/48 IONOS-AND-INTERNETX}
			PTR	`d.customer-auth.net`
		A	74.208.254.4^{🇺🇸 IONOS-AS74.208.254.0/24 IONOS-AND-INTERNETX}
			PTR	`d.customer-auth.net`
MX	`mail.extreme-systems.de` ⭐
		A	62.113.218.46^{🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com}
			PTR	`plesk-3.insight-it.de`
TXT	`v=spf1 +a +mx -all`
SOA	`ns3.insight-it.de`admin@insight-it.de 2023-11-22 #1

`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=1774696621

Subdomains

mail.extreme-systems.de

DNS History

7 records (6 active, 1 former)

●NSns1.insight-it.de2015-07-09 → 2026-03-28 · 2 obs

● 2015-07-09 01:02:56
● 2026-03-28 11:27:12

●NSns2.insight-it.de2015-07-09 → 2026-03-28 · 5 obs

● 2015-07-09 01:02:56
● 2016-02-23 02:58:08
○ 2016-07-14 09:21:16
● 2017-08-12 10:40:08
● 2026-03-28 11:27:12

●NSns3.insight-it.de2015-07-09 → 2026-03-28 · 2 obs

● 2015-07-09 01:02:56
● 2026-03-28 11:27:12

●NSns4.insight-it.de2015-07-09 → 2026-03-28 · 2 obs

● 2015-07-09 01:02:56
● 2026-03-28 11:27:12

●MXmail.extreme-systems.de2015-07-09 → 2026-03-28 · 2 obs

● 2015-07-09 01:02:56
● 2026-03-28 11:27:12

○A212.91.251.702015-07-09 → 2017-08-12 · 4 obs

● 2015-07-09 01:02:56
● 2017-08-12 10:40:08
○ 2026-03-28 11:27:10
○ 2026-03-28 11:27:12

●A62.113.218.462026-03-28 → 2026-03-28 · 3 obs

○ 2017-08-12 10:40:08
● 2026-03-28 11:27:10
● 2026-03-28 11:27:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
extreme-systems.de	ns4.insight-it.de, ns2.insight-it.de, ns1.insight-it.de, ns3.insight-it.de	7 records

✅ Authoritative Response

Server:74.208.254.4

NS records: ns4.insight-it.de, ns2.insight-it.de, ns1.insight-it.de, ns3.insight-it.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extreme-systems.de (unsigned zone)

⏱️ Timing

Total: 543ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.113.218.46`
NS	4	`ns4.insight-it.de, ns2.insight-it.de...`
MX	1	`mail.extreme-systems.de (pri: 10)`
TXT	1	`v=spf1 +a +mx -all`
SOA	1	`ns3.insight-it.de admin.insight-it.de`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (ns4.insight-it.de, ns3.insight-it.de, ns2.insight-it.de...)

Analysis

Hierarchy

The parent of mail.extreme-systems.de is extreme-systems.de.

IP Addresses

extreme-systems.de points to IP number: 62.113.218.46.

Other host names such as prossmann-schoenewalde.de, haasfreiraum.de, mail.limayra.de, hausverwaltung-hamel.de and mail.custorm.com share IPs with extreme-systems.de.

Name Servers

extreme-systems.de is delegated to four name servers: ns1.insight-it.de, ns2.insight-it.de, ns3.insight-it.de and ns4.insight-it.de.

extreme-systems.de at least partially shares name servers with other domains, for instance pme-nossin.de, nova-finis.de, soul-garage.de, antwortenanmuslime.de and rolfrisselgmbh.berlin.

these name servers are often used in conjunction with the name servers ns-1.insight-it.de.

Two IPs per host:

ns2.insight-it.de points to 2001:8d8:580:401:217:160:113:37 and 217.160.113.37

ns3.insight-it.de points to 2a01:130:2000:118:89:146:248:4 and 89.146.248.4

ns4.insight-it.de points to 2607:f1c0:1800:8091:74:208:254:4 and 74.208.254.4

One IP per host:

ns1.insight-it.de points to 62.113.218.46

Mail Servers

extreme-systems.de is handled by a single mail server, mail.extreme-systems.de.

mail.extreme-systems.de points to a single IP: 62.113.218.46.

extreme-systems.de - robtex.com