systemsec.de - dns.ninja

`systemsec.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5365^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:ddbe^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.101^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.190^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jerry.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jerry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jerry.ns.cloudflare.com`
		A	108.162.193.182^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
		A	172.64.33.182^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.182^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
NS	`june.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`june.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`june.ns.cloudflare.com`
		A	108.162.192.176^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	172.64.32.176^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	173.245.58.176^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
MX	`smtp1.emailprotection.eu.xcitium.com` ⭐
		A	3.72.208.216^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`smtp1.emailprotection.eu.xcitium.com`
MX	`mail.systemsec.de`⁽¹⁰⁾
		A	89.163.145.18^{🇩🇪 MYLOC-AS89.163.128.0/17 myLoc managed IT AG}
			PTR	`public1001.de`
TXT	`MS=ms10912457`
TXT	`google-site-verification=EEqsxJQAfeYsQ84XbCmtYRGzs7dpSOQ2HaNkwDrITM8`
TXT	`v=spf1 a mx +a:mail.systemsec.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.101, 172.67.221.190
		IPv6 hints	2606:4700:3033::6815:5365, 2606:4700:3035::ac43:ddbe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`jerry.ns.cloudflare.com`dns@cloudflare.com serial=2411177200

`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=1785863751

Subdomains

mail.systemsec.de

web.systemsec.de

Same first word

systemsec.net

systemsec.com

systemsec.de

Similar names

DNS History

10 records (8 active, 2 former)

●NSjerry.ns.cloudflare.com2026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

●NSjune.ns.cloudflare.com2026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

●MXmail.systemsec.de2026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

●MXsmtp1.emailprotection.eu.xcitium.com2026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

●A104.21.83.1012026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

●A172.67.221.1902026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 09:23:02
● 2026-08-04 17:31:22

○A2606:4700:3032::ac43:ddbe2026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 09:23:02
○ 2026-08-01 13:18:34
○ 2026-08-04 17:31:22

●A2606:4700:3033::6815:53652026-08-01 → 2026-08-04 · 3 obs

○ 2026-02-15 09:23:02
● 2026-08-01 13:18:34
● 2026-08-04 17:31:22

○A2606:4700:3035::6815:53652026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 09:23:02
○ 2026-08-01 13:18:34
○ 2026-08-04 17:31:22

●A2606:4700:3035::ac43:ddbe2026-08-01 → 2026-08-04 · 3 obs

○ 2026-02-15 09:23:02
● 2026-08-01 13:18:34
● 2026-08-04 17:31:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
systemsec.de	jerry.ns.cloudflare.com, june.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.182

NS records: jerry.ns.cloudflare.com, june.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemsec.de (unsigned zone)

⏱️ Timing

Total: 2008ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.101, 172.67.221.190`
AAAA	2	`2606:4700:3033::6815:5365, 2606:4700:3035::ac43:ddbe`
NS	2	`jerry.ns.cloudflare.com, june.ns.cloudflare.com`
MX	2	`mail.systemsec.de (pri: 10), smtp1.emailprotection.eu.xcitium.com (pr`
TXT	3	`MS=ms10912457, google-site-verification=EEqsxJQAfeYsQ84...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jerry.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

mail.systemsec.de and web.systemsec.de each fall under systemsec.de as their parent domain.

IP Addresses

systemsec.de has four IP addresses: 104.21.83.101, 172.67.221.190, 2606:4700:3033::6815:5365 and 2606:4700:3035::ac43:ddbe.

Two other host names, along with www.campwolf.com.tw, ns.free-beer.ch and ftxcoin3.com, also share IP numbers with systemsec.de.

Name Servers

DNS delegation for systemsec.de points to two name servers: jerry.ns.cloudflare.com and june.ns.cloudflare.com.

systemsec.de shares its NS records with other domains, for example onemanga.info, leisure.ie, mangapanda.onl and two others.

systemsec.de has at least partial name server overlap with other domains, such as 1page.cloud, akdgecg.com, girlwiththeironcast.com and two others.

It is common to find these name servers paired with the name servers dom.ns.cloudflare.com, graham.ns.cloudflare.com, sandy.ns.cloudflare.com and kate.ns.cloudflare.com.

DNS names with 6 IP addresses:

jerry.ns.cloudflare.com has IP addresses 108.162.193.182, 172.64.33.182 and 173.245.59.182, plus 3 other.

june.ns.cloudflare.com has IP addresses 108.162.192.176, 172.64.32.176 and 173.245.58.176, plus 3 other.

Mail Servers

systemsec.de is served by two mail servers, mail.systemsec.de and smtp1.emailprotection.eu.xcitium.com.

There is at least a partial MX overlap between systemsec.de and other domains, including compert.ch, gsillp.com.sg, statistixl.com and two others.

These mail servers tend to be used in combination with the mail servers smtp2.emailprotection.eu.xcitium.com and oa.gsillp.com.sg.

mail.systemsec.de directs to 89.163.145.18 and smtp1.emailprotection.eu.xcitium.com directs to 3.72.208.216; each host name points to exactly one IP number.