linux-kurs.com - robtex.com

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`linux-kurs.com`

DNSSEC	⚠️ Not signed
A	2600:9000:2509:e00:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:1800:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:5a00:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:6600:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:9800:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:b800:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:de00:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2509:f600:5:92f0:61c0:93a1^{🇺🇸 Amazon}
A	108.138.85.46^{🇺🇸 Amazon}
A	108.138.85.68^{🇺🇸 Amazon}
A	108.138.85.92^{🇺🇸 Amazon}
A	108.138.85.120^{🇺🇸 Amazon}
NS	`ns-1240.awsdns-27.org` ⭐
		A	2600:9000:5304:d800::1^{🇺🇸 Amazon}
			PTR	`ns-1240.awsdns-27.org`
		A	205.251.196.216^{🇺🇸 Amazon}
			PTR	`ns-1240.awsdns-27.org`
NS	`ns-1861.awsdns-40.co.uk`
		A	2600:9000:5307:4500::1^{🇺🇸 Amazon}
			PTR	`ns-1861.awsdns-40.co.uk`
		A	205.251.199.69^{🇺🇸 Amazon}
			PTR	`ns-1861.awsdns-40.co.uk`
NS	`ns-476.awsdns-59.com`
		A	2600:9000:5301:dc00::1^{🇺🇸 Amazon}
			PTR	`ns-476.awsdns-59.com`
		A	205.251.193.220^{🇺🇸 Amazon}
			PTR	`ns-476.awsdns-59.com`
NS	`ns-698.awsdns-23.net`
		A	2600:9000:5302:ba00::1^{🇺🇸 Amazon}
			PTR	`ns-698.awsdns-23.net`
		A	205.251.194.186^{🇺🇸 Amazon}
			PTR	`ns-698.awsdns-23.net`
MX	`mail.vnr.de` ⭐
		A	2a01:488:67:1000:b01c:3271:0:1^{🇩🇪 GODADDY}
			PTR	`mail.vnr.de`
		A	188.64.43.139^{🇩🇪 ONE-NETWORK}
			PTR	`mail.vnr.de`
TXT	`facebook-domain-verification=lyu34ozskwnzmrdmutd6tv8j2akn8a`
TXT	`gsclst4plv75r41q9q4mo2qv14`
SOA	`ns-1240.awsdns-27.org`awsdns-hostmaster@amazon.com serial=1

`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=1771291435

DNS History

25 records (17 active, 8 former)

○NSa.ns.vnr.de2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 23:07:08
○ 2015-11-13 15:21:38
○ 2026-02-19 02:38:14

●NSns-1240.awsdns-27.org2026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●NSns-1861.awsdns-40.co.uk2026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●NSns-476.awsdns-59.com2026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●NSns-698.awsdns-23.net2026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

○NSns1.hgb-ns.de2015-11-13 → 2017-01-27 · 5 obs

○ 2015-07-05 23:07:08
● 2015-11-13 15:21:38
● 2017-01-27 16:42:18
○ 2026-02-19 02:38:10
○ 2026-02-19 02:38:14

○NSns2.hgb-ns.de2015-11-13 → 2017-01-27 · 5 obs

○ 2015-07-05 23:07:08
● 2015-11-13 15:21:38
● 2017-01-27 16:42:18
○ 2026-02-19 02:38:10
○ 2026-02-19 02:38:14

○NSns3.hgb-ns.de2015-11-13 → 2017-01-27 · 5 obs

○ 2015-07-05 23:07:08
● 2015-11-13 15:21:38
● 2017-01-27 16:42:18
○ 2026-02-19 02:38:10
○ 2026-02-19 02:38:14

○NSns4.hgb-ns.de2015-11-13 → 2017-01-27 · 5 obs

○ 2015-07-05 23:07:08
● 2015-11-13 15:21:38
● 2017-01-27 16:42:18
○ 2026-02-19 02:38:10
○ 2026-02-19 02:38:14

○NSnsc0.schlundtech.de2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 23:07:08
○ 2015-11-13 15:21:38
○ 2026-02-19 02:38:14

●MXmail.vnr.de2015-07-05 → 2026-02-19 · 2 obs

● 2015-07-05 23:07:08
● 2026-02-19 02:38:14

●A108.138.85.1202026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A108.138.85.462026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A108.138.85.682026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A108.138.85.922026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

○A185.117.182.2272017-01-27 → 2017-01-27 · 4 obs

○ 2016-04-29 23:00:04
● 2017-01-27 16:42:18
○ 2026-02-19 02:38:10
○ 2026-02-19 02:38:14

●A2600:9000:2509:1800:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:5a00:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:6600:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:9800:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:b800:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:de00:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:e00:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

●A2600:9000:2509:f600:5:92f0:61c0:93a12026-02-19 → 2026-02-19 · 3 obs

○ 2017-01-27 16:42:18
● 2026-02-19 02:38:10
● 2026-02-19 02:38:14

○A85.88.27.952015-07-05 → 2016-04-29 · 4 obs

● 2015-07-05 23:07:08
● 2016-04-29 23:00:04
○ 2017-01-27 16:42:18
○ 2026-02-19 02:38:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
linux-kurs.com	ns-698.awsdns-23.net, ns-476.awsdns-59.com, ns-1240.awsdns-27.org, ns-1861.awsdns-40.co.uk	-

✅ Authoritative Response

Server: 205.251.194.186

NS records: ns-698.awsdns-23.net, ns-476.awsdns-59.com, ns-1240.awsdns-27.org, ns-1861.awsdns-40.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-kurs.com (unsigned zone)

⏱️ Timing

Total: 99ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.92, 108.138.85.120...`
AAAA	8	`2600:9000:2509:5a00:5:92f0:61c0:93a1, 2600:9000:2509:b400:5:92f0:61c0:93a1...`
NS	4	`ns-1240.awsdns-27.org, ns-1861.awsdns-40.co.uk...`
MX	1	`mail.vnr.de (pri: 10)`
TXT	2	`facebook-domain-verification=lyu34ozskwn, gsclst4plv75r41q9q4mo2qv14`
SOA	1	`ns-1240.awsdns-27.org awsdns-hostmaster.`

AI analysis

linux-kurs.com maps to twelve IP numbers: 2600:9000:2509:e00:5:92f0:61c0:93a1, 2600:9000:2509:1800:5:92f0:61c0:93a1, 2600:9000:2509:5a00:5:92f0:61c0:93a1, 2600:9000:2509:6600:5:92f0:61c0:93a1, 2600:9000:2509:9800:5:92f0:61c0:93a1, 2600:9000:2509:b800:5:92f0:61c0:93a1, 2600:9000:2509:de00:5:92f0:61c0:93a1, 2600:9000:2509:f600:5:92f0:61c0:93a1, 108.138.85.46, 108.138.85.68, 108.138.85.92 and 108.138.85.120.

Other host names, for instance app.coworkhealth.io, imap.flipkey.msgfocus.com, scacpa.msgfocus.com, pensionsinsight.msgfocus.com and newsletter-spectator-co-uk.msgfocus.com share IP numbers with linux-kurs.com.

linux-kurs.com is delegated to four name servers: ns-476.awsdns-59.com, ns-698.awsdns-23.net, ns-1240.awsdns-27.org and ns-1861.awsdns-40.co.uk.

linux-kurs.com shares some name servers with other domains, for example ariake-arena.tokyo, dingg.in, officemart.com.au, toshiyukisugai.com and crosbybenefits.com.

These name servers are often used together with ns-893.awsdns-47.net, ns-1414.awsdns-48.org and ns-1688.awsdns-19.co.uk.

Host names with two IP numbers

Two IPs per host:

ns-476.awsdns-59.com points to 2600:9000:5301:dc00::1 and 205.251.193.220

ns-698.awsdns-23.net points to 2600:9000:5302:ba00::1 and 205.251.194.186

ns-1240.awsdns-27.org points to 2600:9000:5304:d800::1 and 205.251.196.216

ns-1861.awsdns-40.co.uk points to 2600:9000:5307:4500::1 and 205.251.199.69

linux-kurs.com is handled by a single mail server, mail.vnr.de.

linux-kurs.com shares the mail server setup with other domains, for example vnr-verlag.de, xn--veras-glcksratgeber-dbc.de, derparseval.com, gleichstellungimblick.de and invag.ch.

linux-kurs.com shares some mail servers with other domains, at least partially; for instance rechtschreib-kurs.de, verlagsinfo.de, robotrading.de, microcaps.de and chronik.de.

these mail servers are commonly used alongside the mail servers mail.tro.net.

mail.vnr.de resolves to two IPs: 2a01:488:67:1000:b01c:3271:0:1 and 188.64.43.139.