`sciencescourses.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.39^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1025.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5119:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1025.ui-dns.biz`
		A	217.160.81.25^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1025.ui-dns.biz`
NS	`ns1023.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5017:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.de`
		A	217.160.80.23^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.de`
NS	`ns1050.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5332:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.org`
		A	217.160.83.50^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.org`
NS	`ns1121.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5279:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
		A	217.160.82.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
MX	`mx00.ionos.es` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.es` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1025.ui-dns.biz`hostmaster@1und1.com 2017-06-01 #11

`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

Same first word

sciencescourses.com

DNS History

11 records (8 active, 3 former)

○NSns1.conceptofintelligence.com2018-11-18 → 2018-11-18 · 3 obs

● 2018-11-18 10:51:12
○ 2026-02-24 08:19:52
○ 2026-03-22 11:09:42

●NSns1023.ui-dns.de2026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

●NSns1025.ui-dns.biz2026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

●NSns1050.ui-dns.org2026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

●NSns1121.ui-dns.com2026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

○NSns2.conceptofintelligence.com2018-11-18 → 2018-11-18 · 3 obs

● 2018-11-18 10:51:12
○ 2026-02-24 08:19:52
○ 2026-03-22 11:09:42

●MXmx00.ionos.es2026-02-24 → 2026-03-22 · 2 obs

● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

●MXmx01.ionos.es2026-02-24 → 2026-03-22 · 2 obs

● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

○A185.246.130.1362018-11-18 → 2018-11-18 · 3 obs

● 2018-11-18 10:51:12
○ 2026-02-24 08:19:52
○ 2026-03-22 11:09:42

●A2001:8d8:100f:f000::2002026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

●A217.160.0.392026-02-24 → 2026-03-22 · 3 obs

○ 2018-11-18 10:51:12
● 2026-02-24 08:19:52
● 2026-03-22 11:09:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
sciencescourses.com	ns1023.ui-dns.de, ns1025.ui-dns.biz, ns1050.ui-dns.org, ns1121.ui-dns.com	2 records

✅ Authoritative Response

Server: 217.160.81.25

NS records: ns1023.ui-dns.de, ns1025.ui-dns.biz, ns1050.ui-dns.org, ns1121.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencescourses.com (unsigned zone)

⏱️ Timing

Total: 913ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.39`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1025.ui-dns.biz, ns1023.ui-dns.de...`
MX	2	`mx00.ionos.es (pri: 10), mx01.ionos.es (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1025.ui-dns.biz hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1121.ui-dns.com, ns1121.ui-dns.com)

Analysis

IP Addresses

sciencescourses.com resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.39.

Other host names, for instance holzgrosshandel.com, hiperoptica.net, xn--craft-bru-22a.com, koottv.com and tracmat.com share IP numbers with sciencescourses.com.

Name Servers

sciencescourses.com's delegation is handled by four name servers: ns1025.ui-dns.biz, ns1121.ui-dns.com, ns1023.ui-dns.de and ns1050.ui-dns.org.

sciencescourses.com partially shares name servers with other domains; examples include perfumes-valencia.com, citizensforfairplay.org, dtv-hannover.de, listeners.de and transportrecht.org.

These name servers are commonly used alongside ns1023.ui-dns.org, ns1023.ui-dns.biz, ns1023.ui-dns.com, ns1121.ui-dns.biz, ns1121.ui-dns.de, ns1121.ui-dns.org, ns1025.ui-dns.com, ns1025.ui-dns.de, ns1025.ui-dns.org and ns1050.ui-dns.biz.

Host names with two IPs:

ns1025.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5119:100 and 217.160.81.25

ns1121.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5279:100 and 217.160.82.121

ns1023.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5017:100 and 217.160.80.23

ns1050.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5332:100 and 217.160.83.50

Mail Servers

sciencescourses.com is handled by two mail servers: mx00.ionos.es and mx01.ionos.es.

sciencescourses.com has the same mail server setup as other domains, including nuevomester.com, nachoalvarezphoto.com, segundaoportunidad.info, bandashuelva.es and hornasur.com.

Some mail servers are shared between sciencescourses.com and other domains, for example intelitel.es.

Host names with one IP number: The host name mx00.ionos.es points to 212.227.15.41 and the host name mx01.ionos.es points to 217.72.192.67.

sciencescourses.com - robtex.com