`algorithm-engineering.de`

DNSSEC	⚠️ Not signed
A	141.3.24.107^{🇩🇪 KIT141.3.0.0/16 Karlsruhe Institute of Technology (KIT)}
		PTR	`webserver-atis.ae.iti.kit.edu`
NS	`ns11.domaincontrol.com` ⭐
		A	2603:5:2190::6^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns11.domaincontrol.com`
		A	97.74.105.6^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns11.domaincontrol.com`
NS	`ns12.domaincontrol.com`
		A	2603:5:2290::6^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns12.domaincontrol.com`
		A	173.201.73.6^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns12.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
TXT	`D4669862`
TXT	`v=spf1 include:secureserver.net -all`
SOA	`ns11.domaincontrol.com`dns@jomax.net 2025-10-10 #18

`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=1778351783

Same first word

algorithm-engineering.de

DNS History

8 records (4 active, 4 former)

○NSa1.wpns.hosteurope.de2015-08-08 → 2017-03-19 · 4 obs

● 2015-08-08 10:44:04
● 2017-03-19 11:44:30
○ 2026-02-24 12:16:58
○ 2026-05-09 18:39:52

○NSa1.wsns.hosteurope.de2015-08-08 → 2017-03-19 · 4 obs

● 2015-08-08 10:44:04
● 2017-03-19 11:44:30
○ 2026-02-24 12:16:58
○ 2026-05-09 18:39:52

●NSns11.domaincontrol.com2026-02-24 → 2026-05-09 · 3 obs

○ 2017-03-19 11:44:30
● 2026-02-24 12:16:58
● 2026-05-09 18:39:52

●NSns12.domaincontrol.com2026-02-24 → 2026-05-09 · 3 obs

○ 2017-03-19 11:44:30
● 2026-02-24 12:16:58
● 2026-05-09 18:39:52

○MXmx0.algorithm-engineering.de2015-08-08 → 2017-03-19 · 4 obs

● 2015-08-08 10:44:04
● 2017-03-19 11:44:30
○ 2026-02-24 12:16:58
○ 2026-05-09 18:39:52

●MXsmtp.secureserver.net2026-02-24 → 2026-05-09 · 3 obs

○ 2017-03-19 11:44:30
● 2026-02-24 12:16:58
● 2026-05-09 18:39:52

●A141.3.24.1072026-02-24 → 2026-05-09 · 3 obs

○ 2017-03-19 11:44:30
● 2026-02-24 12:16:58
● 2026-05-09 18:39:52

○A141.3.24.1372015-08-08 → 2017-03-19 · 4 obs

● 2015-08-08 10:44:04
● 2017-03-19 11:44:30
○ 2026-02-24 12:16:58
○ 2026-05-09 18:39:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
algorithm-engineering.de	ns11.domaincontrol.com, ns12.domaincontrol.com	-

✅ Authoritative Response

Server:97.74.105.6

NS records: ns11.domaincontrol.com, ns12.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 525ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`141.3.24.107`
NS	2	`ns11.domaincontrol.com, ns12.domaincontrol.com`
MX	1	`smtp.secureserver.net (pri: 0)`
TXT	2	`D4669862, v=spf1 include:secureserver.net -all`
SOA	1	`ns11.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

algorithm-engineering.de points to a single IP number: 141.3.24.107.

Other host names, for instance webserver-atis.ae.iti.kit.edu, share IP numbers with algorithm-engineering.de.

Name Servers

Delegation for algorithm-engineering.de rests with two name servers, ns11.domaincontrol.com and ns12.domaincontrol.com.

algorithm-engineering.de shares the same name server setup as other domains, including start-now.us, fusion-worx.net, amysfoster.net, noosahouse.com and ultraschall-zubehoer.de.

Host names with two IP numbers: ns11.domaincontrol.com points to 2603:5:2190::6 and 97.74.105.6; ns12.domaincontrol.com points to 2603:5:2290::6 and 173.201.73.6.

Mail Servers

algorithm-engineering.de is handled by a single mail server, smtp.secureserver.net.

algorithm-engineering.de uses the same mail server configuration as other domains, such as rahmede.com, briangardner.com, totaleducationsolutions.com, trackwolf.de and calorieswatch.com.

algorithm-engineering.de shares mail servers with other domains at least in part, for instance tubricausa.com, waterfallevents.com, 4buckseasyfast.com, amsready.co and coreupdates.com.

These mail servers are often used together with the mail servers mailstore1.secureserver.net.

Host smtp.secureserver.net points to three IPs: 216.69.141.71, 216.69.141.84 and 216.69.141.113.

algorithm-engineering.de - robtex.com