`kbiosystems.com`

DNSSEC	⚠️ Not signed
A	77.68.6.115^{🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd}
		PTR	`mail.silva21.co.uk`
NS	`821d7e5.online-server.cloud` ⭐
		A	77.68.6.115^{🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd}
			PTR	`mail.silva21.co.uk`
NS	`ns1.silva21.co.uk`
		A	77.68.6.115^{🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd}
			PTR	`mail.silva21.co.uk`
NS	`ns2.silva21.co.uk`
		A	77.68.6.115^{🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd}
			PTR	`mail.silva21.co.uk`
MX	`mx1.mtaroutes.com` ⭐
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`mx2.mtaroutes.com`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx3.mtaroutes.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.mtaroutes.com`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
TXT	`v=spf1 ip4:86.16.140.251 ip4:80.177.79.89 include:spf.protection.outlook.com ...`
TXT	`niniu79dfcm9d6nfef217jot7g`
SOA	`821d7e5.online-server.cloud`hostmaster@online-server.cloud serial=21

`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=1777075381

WOT: SAFE (62/100)

Same first word

kbiosystems.com

DNS History

15 records (8 active, 7 former)

●NS821d7e5.online-server.cloud2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

○NSns.heartinternet.co.uk2015-05-30 → 2017-06-18 · 4 obs

● 2015-05-30 16:08:38
● 2017-06-18 05:00:32
○ 2026-04-24 21:01:44
○ 2026-04-25 00:13:24

●NSns1.silva21.co.uk2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

○NSns2.heartinternet.co.uk2015-05-30 → 2017-06-18 · 4 obs

● 2015-05-30 16:08:38
● 2017-06-18 05:00:32
○ 2026-04-24 21:01:44
○ 2026-04-25 00:13:24

●NSns2.silva21.co.uk2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

○MXcluster-01.chunkymail.co.uk2015-05-30 → 2016-04-12 · 4 obs

● 2015-05-30 16:08:38
● 2016-04-12 07:22:28
○ 2016-11-24 01:06:14
○ 2026-04-25 00:13:24

○MXkbiosystems-com.mail.protection.outlook.com2017-06-18 → 2017-06-18 · 4 obs

○ 2016-11-24 01:06:14
● 2017-06-18 05:00:32
○ 2026-04-24 21:01:44
○ 2026-04-25 00:13:24

○MXmailgate.kbiosystems.com2016-11-24 → 2016-11-24 · 4 obs

○ 2016-04-12 07:22:28
● 2016-11-24 01:06:14
○ 2017-06-18 05:00:32
○ 2026-04-25 00:13:24

●MXmx1.mtaroutes.com2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

●MXmx2.mtaroutes.com2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

●MXmx3.mtaroutes.com2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

●MXmx4.mtaroutes.com2026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

○A37.122.212.302016-11-24 → 2017-06-18 · 5 obs

○ 2016-04-12 07:22:28
● 2016-11-24 01:06:14
● 2017-06-18 05:00:32
○ 2026-04-24 21:01:44
○ 2026-04-25 00:13:24

●A77.68.6.1152026-04-24 → 2026-04-25 · 3 obs

○ 2017-06-18 05:00:32
● 2026-04-24 21:01:44
● 2026-04-25 00:13:24

○A79.170.44.932015-05-30 → 2016-04-12 · 4 obs

● 2015-05-30 16:08:38
● 2016-04-12 07:22:28
○ 2016-11-24 01:06:14
○ 2026-04-25 00:13:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
kbiosystems.com	ns1.silva21.co.uk, ns2.silva21.co.uk	-

✅ Authoritative Response

Server:77.68.6.115

NS records: ns1.silva21.co.uk, ns2.silva21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbiosystems.com (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.68.6.115`
NS	2	`ns2.silva21.co.uk, ns1.silva21.co.uk`
MX	4	`mx3.mtaroutes.com (pri: 30), mx1.mtaroutes.com (pri: 10)...`
TXT	2	`v=spf1 ip4:86.16.140.251 ip4:80.177.79.8, niniu79dfcm9d6nfef217jot7g`
SOA	1	`821d7e5.online-server.cloud hostmaster.o`

Analysis

IP Addresses

kbiosystems.com points to an IP address: 77.68.6.115.

other host names include anthonytreynolds.com, scn-uk.co.uk, mail.silva9.co.uk, ns1.frij.net and frij.net; they share IP numbers with kbiosystems.com.

Name Servers

kbiosystems.com is delegated to three name servers 821d7e5.online-server.cloud, ns1.silva21.co.uk and ns2.silva21.co.uk.

kbiosystems.com at least partially shares name servers with other domains, for instance silva10.co.uk, puresilvabannermaker.com, theairforceshop.co.uk, designerlistings.org and anthonytreynolds.com.

these name servers are commonly used with ns1.silva10.co.uk, ns2.silva10.co.uk, ns1.river-ghost.co.uk, ns2.river-ghost.co.uk, ns1.puresilva.co.uk, ns2.puresilva.co.uk, ns2.silva9.co.uk, ns1.silva9.co.uk, ns1.silva7.co.uk and ns2.silva7.co.uk.

Host names with a single IP:

821d7e5.online-server.cloud, ns1.silva21.co.uk and ns2.silva21.co.uk point to 77.68.6.115.

Mail Servers

kbiosystems.com is handled by four mail servers: mx1.mtaroutes.com, mx2.mtaroutes.com, mx3.mtaroutes.com and mx4.mtaroutes.com.

kbiosystems.com shares at least partially some mail servers with other domains, for instance buonwines.com, tnaassociates.com, fsba.org, gadsdensoefl.gov and cranefruehauf.com.