`sciencevideocourses.com`

DNSSEC	⚠️ Not signed
A	109.228.37.114^{🇬🇧 IONOS-AS109.228.0.0/18 Fasthosts Internet Ltd}
		PTR	`sciencevideocourses.com`
NS	`ns1045.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:522d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.com`
		A	217.160.82.45^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.com`
NS	`ns1045.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:512d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.biz`
		A	217.160.81.45^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.biz`
NS	`ns1045.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:502d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.de`
		A	217.160.80.45^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.de`
NS	`ns1045.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:532d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.org`
		A	217.160.83.45^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.org`
MX	`sciencevideocourses.com` ⭐
		A	109.228.37.114^{🇬🇧 IONOS-AS109.228.0.0/18 Fasthosts Internet Ltd}
			PTR	`sciencevideocourses.com`
TXT	`v=spf1 +a +mx +a:quirky-elgamal.109-228-37-114.plesk.page -all`
SOA	`ns1045.ui-dns.com`hostmaster@1und1.com 2017-06-01 #30

`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=1774755847

PTR for

114.37.228.109.in-addr.arpa

DNS History

16 records (6 active, 10 former)

●NSns1045.ui-dns.biz2026-03-29 → 2026-03-29 · 3 obs

○ 2018-12-31 06:38:32
● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

●NSns1045.ui-dns.com2026-03-29 → 2026-03-29 · 3 obs

○ 2018-12-31 06:38:32
● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

●NSns1045.ui-dns.de2026-03-29 → 2026-03-29 · 3 obs

○ 2018-12-31 06:38:32
● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

●NSns1045.ui-dns.org2026-03-29 → 2026-03-29 · 3 obs

○ 2018-12-31 06:38:32
● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

○NSns73.domaincontrol.com2018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○NSns74.domaincontrol.com2018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

●MXsciencevideocourses.com2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

●A109.228.37.1142026-03-29 → 2026-03-29 · 3 obs

○ 2018-12-31 06:38:32
● 2026-03-29 03:46:32
● 2026-03-29 03:46:34

○A184.168.221.462018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A184.168.221.502018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A184.168.221.522018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A184.168.221.542018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A50.63.202.432018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A50.63.202.452018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A50.63.202.472018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

○A50.63.202.572018-12-31 → 2018-12-31 · 3 obs

● 2018-12-31 06:38:32
○ 2026-03-29 03:46:32
○ 2026-03-29 03:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
sciencevideocourses.com	ns1045.ui-dns.de, ns1045.ui-dns.biz, ns1045.ui-dns.org, ns1045.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.45

NS records: ns1045.ui-dns.de, ns1045.ui-dns.biz, ns1045.ui-dns.org, ns1045.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencevideocourses.com (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.228.37.114`
NS	4	`ns1045.ui-dns.org, ns1045.ui-dns.de...`
MX	1	`sciencevideocourses.com (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:quirky-elgamal.109-228-`
SOA	1	`ns1045.ui-dns.com hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1045.ui-dns.com, ns1045.ui-dns.com)

Analysis

IP Addresses

sciencevideocourses.com points to IP number 109.228.37.114.

Other host names, for instance, ks3sciencecourses.com share IP numbers with sciencevideocourses.com.

Name Servers

sciencevideocourses.com is delegated to four name servers: ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and ns1045.ui-dns.org.

sciencevideocourses.com shares name servers with other domains at least partially, for example avenir-international.fr, linqmx.com, angelstrings.de, jeremyfouts.com and jamesfenton.net.

Host names with two IP numbers:

ns1045.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:512d:100 and 217.160.81.45

ns1045.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:522d:100 and 217.160.82.45

ns1045.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:502d:100 and 217.160.80.45

ns1045.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:532d:100 and 217.160.83.45

Mail Servers

sciencevideocourses.com is handled by a single mail server, sciencevideocourses.com.

sciencevideocourses.com points to a single IP: 109.228.37.114.

sciencevideocourses.com - robtex.com