qs-engineering.de - dns.ninja

`qs-engineering.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2dc4^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:da7f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.196^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.127^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gemma.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:261b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gemma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gemma.ns.cloudflare.com`
		A	108.162.194.27^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	162.159.38.27^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	172.64.34.27^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
NS	`melnicoff.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melnicoff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melnicoff.ns.cloudflare.com`
		A	108.162.195.174^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	162.159.44.174^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
		A	172.64.35.174^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melnicoff.ns.cloudflare.com`
MX	`qsengineering-de0e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`openai-domain-verification=dv-m0o9NG0saqlD47UsWmZ3WFgA`
TXT	`v=spf1 a ip4:178.13.237.204 a ip4:217.154.172.232 include:spf.protection.outl...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.196, 172.67.218.127
		IPv6 hints	2606:4700:3032::6815:2dc4, 2606:4700:3037::ac43:da7f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOA	`gemma.ns.cloudflare.com`dns@cloudflare.com serial=2410038752

`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=1785315053

Subdomains

www.qs-engineering.de

Same first word

qs-engineering.de

DNS History

27 records (7 active, 20 former)

●NSgemma.ns.cloudflare.com2026-03-09 → 2026-07-29 · 3 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
● 2026-07-29 09:15:02

●NSmelnicoff.ns.cloudflare.com2026-03-09 → 2026-07-29 · 3 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
● 2026-07-29 09:15:02

○NSns.namespace4you.de2017-12-15 → 2017-12-15 · 4 obs

○ 2016-09-15 11:55:38
● 2017-12-15 00:09:00
○ 2026-03-09 03:31:08
○ 2026-07-29 09:15:02

○NSns2.hans.hosteurope.de2015-08-02 → 2016-09-15 · 4 obs

● 2015-08-02 01:14:56
● 2016-09-15 11:55:38
○ 2017-12-15 00:09:00
○ 2026-07-29 09:15:02

○NSns2.namespace4you.de2017-12-15 → 2017-12-15 · 4 obs

○ 2016-09-15 11:55:38
● 2017-12-15 00:09:00
○ 2026-03-09 03:31:08
○ 2026-07-29 09:15:02

○NSrs201874.rs.hosteurope.de2015-08-02 → 2016-09-15 · 4 obs

● 2015-08-02 01:14:56
● 2016-09-15 11:55:38
○ 2017-12-15 00:09:00
○ 2026-07-29 09:15:02

○MXmail.qs-engineering.de2015-08-02 → 2016-09-15 · 4 obs

● 2015-08-02 01:14:56
● 2016-09-15 11:55:38
○ 2017-12-15 00:09:00
○ 2026-07-29 09:15:02

○MXmxlb.ispgateway.de2017-12-15 → 2017-12-15 · 4 obs

○ 2016-09-15 11:55:38
● 2017-12-15 00:09:00
○ 2026-03-09 03:31:08
○ 2026-07-29 09:15:02

●MXqsengineering-de0e.mail.protection.outlook.com2026-03-09 → 2026-07-29 · 3 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
● 2026-07-29 09:15:02

●A104.21.45.1962026-03-10 → 2026-07-29 · 11 obs

○ 2026-03-09 03:31:08
● 2026-03-10 09:07:36
○ 2026-03-10 12:46:44
○ 2026-03-12 06:52:44
● 2026-03-12 08:52:52
● 2026-05-01 08:59:32
○ 2026-05-02 12:53:52
● 2026-06-03 09:18:54
○ 2026-06-04 10:36:44
● 2026-06-05 02:13:24
● 2026-07-29 09:15:02

○A172.64.80.12026-03-10 → 2026-03-12 · 6 obs

○ 2026-03-09 03:31:08
○ 2026-03-10 09:07:36
● 2026-03-10 12:46:44
● 2026-03-12 06:52:44
○ 2026-03-12 08:52:52
○ 2026-07-29 09:15:02

●A172.67.218.1272026-03-10 → 2026-07-29 · 11 obs

○A176.221.47.542017-12-15 → 2017-12-15 · 4 obs

○ 2016-09-15 11:55:38
● 2017-12-15 00:09:00
○ 2026-03-09 03:31:08
○ 2026-07-29 09:15:02

○A176.28.48.2382015-08-02 → 2016-09-15 · 4 obs

● 2015-08-02 01:14:56
● 2016-09-15 11:55:38
○ 2017-12-15 00:09:00
○ 2026-07-29 09:15:02

○A188.114.96.02026-03-09 → 2026-05-02 · 7 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
○ 2026-03-10 09:07:36
○ 2026-05-01 08:59:32
● 2026-05-02 12:53:52
○ 2026-06-03 09:18:54
○ 2026-07-29 09:15:02

○A188.114.96.42026-06-04 → 2026-06-04 · 4 obs

○ 2026-06-03 09:18:54
● 2026-06-04 10:36:44
○ 2026-06-05 02:13:24
○ 2026-07-29 09:15:02

○A188.114.97.02026-03-09 → 2026-05-02 · 7 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
○ 2026-03-10 09:07:36
○ 2026-05-01 08:59:32
● 2026-05-02 12:53:52
○ 2026-06-03 09:18:54
○ 2026-07-29 09:15:02

○A188.114.97.42026-06-04 → 2026-06-04 · 4 obs

○ 2026-06-03 09:18:54
● 2026-06-04 10:36:44
○ 2026-06-05 02:13:24
○ 2026-07-29 09:15:02

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-12 → 2026-03-12 · 5 obs

○ 2026-03-09 03:31:08
○ 2026-03-10 12:46:44
● 2026-03-12 06:52:44
○ 2026-03-12 08:52:52
○ 2026-07-29 09:15:02

●A2606:4700:3032::6815:2dc42026-03-10 → 2026-07-29 · 14 obs

○ 2026-03-09 03:31:08
● 2026-03-10 09:07:36
● 2026-03-10 12:46:44
○ 2026-03-12 06:52:44
● 2026-03-12 08:52:52
● 2026-03-13 13:01:54
○ 2026-03-14 11:46:04
● 2026-03-24 12:26:20
● 2026-05-01 08:59:32
○ 2026-05-02 12:53:52
● 2026-06-03 09:18:54
○ 2026-06-04 10:36:44
● 2026-06-05 02:13:24
● 2026-07-29 09:15:02

○A2606:4700:3034::ac43:da7f2026-03-10 → 2026-06-07 · 16 obs

●A2606:4700:3037::ac43:da7f2026-06-25 → 2026-07-29 · 3 obs

○ 2026-06-07 07:13:24
● 2026-06-25 20:04:38
● 2026-07-29 09:15:02

○A2a00:1158:1000:406::4362017-12-15 → 2017-12-15 · 4 obs

○ 2016-09-15 11:55:38
● 2017-12-15 00:09:00
○ 2026-03-09 03:31:08
○ 2026-07-29 09:15:02

○A2a06:98c1:3120::2026-03-09 → 2026-05-02 · 10 obs

○ 2017-12-15 00:09:00
● 2026-03-09 03:31:08
○ 2026-03-10 09:07:36
○ 2026-03-13 13:01:54
● 2026-03-14 11:46:04
○ 2026-03-24 12:26:20
○ 2026-05-01 08:59:32
● 2026-05-02 12:53:52
○ 2026-06-03 09:18:54
○ 2026-07-29 09:15:02

○A2a06:98c1:3120::42026-06-04 → 2026-06-04 · 4 obs

○ 2026-06-03 09:18:54
● 2026-06-04 10:36:44
○ 2026-06-05 02:13:24
○ 2026-07-29 09:15:02

○A2a06:98c1:3121::2026-03-09 → 2026-05-02 · 10 obs

○A2a06:98c1:3121::42026-06-04 → 2026-06-04 · 4 obs

○ 2026-06-03 09:18:54
● 2026-06-04 10:36:44
○ 2026-06-05 02:13:24
○ 2026-07-29 09:15:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
qs-engineering.de	gemma.ns.cloudflare.com, melnicoff.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.27

NS records: gemma.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qs-engineering.de (unsigned zone)

⏱️ Timing

Total: 1155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.196, 172.67.218.127`
AAAA	2	`2606:4700:3032::6815:2dc4, 2606:4700:3037::ac43:da7f`
NS	2	`gemma.ns.cloudflare.com, melnicoff.ns.cloudflare.com`
MX	1	`qsengineering-de0e.mail.protection.outlo`
TXT	2	`openai-domain-verification=dv-m0o9NG0saq, v=spf1 a ip4:178.13.237.204 a ip4:217.15`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gemma.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

qs-engineering.de is a parent domain of www.qs-engineering.de.

IP Addresses

qs-engineering.de resolves to four IP addresses: 104.21.45.196, 172.67.218.127, 2606:4700:3032::6815:2dc4 and 2606:4700:3037::ac43:da7f.

Two other host names, along with spreadingsantorum.com, video2dv.com and www.colsecornoticias.com.ar, also share IP numbers with qs-engineering.de.

Name Servers

qs-engineering.de has two authoritative name servers — gemma.ns.cloudflare.com and melnicoff.ns.cloudflare.com.

qs-engineering.de shares its NS records with other domains, for example indian(0x736578)(0x7075737379).mobi, 91blackboard.com, vos.plus and two others.

qs-engineering.de shares at least some of its name servers with other domains, including bawtl.ai, hamiltonlandscaper.com, techshop-eg.com and two others.

These name servers are frequently seen alongside the name servers seamus.ns.cloudflare.com.

DNS names with 6 IP addresses:

gemma.ns.cloudflare.com points to 108.162.194.27, 162.159.38.27, 172.64.34.27 and 3 other IP addresses.

melnicoff.ns.cloudflare.com points to 108.162.195.174, 162.159.44.174, 172.64.35.174 and 3 other IP addresses.

Mail Servers

The sole mail server for qs-engineering.de is qsengineering-de0e.mail.protection.outlook.com.

With 8 IP addresses total, qsengineering-de0e.mail.protection.outlook.com resolves to 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 others.