`scientistbiographies.com`

DNSSEC	⚠️ Not signed
NS	`ns1.krystal.uk` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`

`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=1778745626

Same first word

scientistbiographies.com

DNS History

6 records (2 active, 4 former)

●NSns1.krystal.uk2026-03-11 → 2026-05-14 · 3 obs

○ 2015-10-12 11:04:40
● 2026-03-11 23:02:28
● 2026-05-14 08:10:56

○NSns1.minkehosting.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 13:09:24
○ 2015-10-12 11:04:40
○ 2026-05-14 08:10:56

●NSns2.krystal.uk2026-03-11 → 2026-05-14 · 3 obs

○ 2015-10-12 11:04:40
● 2026-03-11 23:02:28
● 2026-05-14 08:10:56

○NSns2.minkehosting.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 13:09:24
○ 2015-10-12 11:04:40
○ 2026-05-14 08:10:56

○MXlocal.minkehosting.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 13:09:24
○ 2015-10-12 11:04:40
○ 2026-05-14 08:10:56

○A69.50.233.32008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 13:09:24
○ 2015-10-12 11:04:40
○ 2026-05-14 08:10:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
scientistbiographies.com	ns2.krystal.uk, ns1.krystal.uk	-

✅ Authoritative Response

Server:139.162.230.184

NS records: ns2.krystal.uk, ns1.krystal.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scientistbiographies.com (unsigned zone)

⏱️ Timing

Total: 2076ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

scientistbiographies.com is delegated to two name servers ns1.krystal.uk and ns2.krystal.uk.

scientistbiographies.com shares the same name server setup as other domains, for instance fiskur.co.uk, myteamshop.co.uk, love2donate.co.uk, trustpcs.com and androidcowboy.com.

scientistbiographies.com at least partially shares name servers with other domains, for instance ajleach.com, theukbettingforum.co.uk, siminki.co.uk, gamerepublic.net and mm-masonic-regalia.co.uk.

These name servers are commonly used with the following name servers: ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io, ns1.uksrv.uk and ns2.uksrv.uk.

Host names with one IP number:

ns1.krystal.uk points to 77.72.0.11

ns2.krystal.uk points to 139.162.230.184

scientistbiographies.com - robtex.com