`sibengineering.com`

DNSSEC	⚠️ Not signed
A	92.53.96.143^{🇷🇺 TimeWeb-AS92.53.96.0/24}
		PTR	`vh406.timeweb.ru`
NS	`ns1.he.net` ⭐
		A	2001:470:100::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
		A	216.218.130.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
NS	`ns2.he.net`
		A	2001:470:200::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
		A	216.218.131.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
NS	`ns3.he.net`
		A	2001:470:300::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
		A	216.218.132.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
NS	`ns4.he.net`
		A	2001:470:400::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
NS	`ns5.he.net`
		A	2001:470:500::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
		A	216.66.80.18^{🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
MX	`mx1.sibengineering.com` ⭐
		A	5.131.242.133^{🇷🇺 NTK5.131.240.0/20 Novotelecom Ltd.}
			PTR	`mx1.sibengineering.com`
MX	`zimbra-sib.sibengineering.com`⁽⁵⁰⁾
		A	5.131.242.135^{🇷🇺 NTK5.131.240.0/20 Novotelecom Ltd.}
			PTR	`zimbra-sib.sibengineering.com`
TXT	`v=spf1 +a +mx -all`
SOA	`ns1.he.net`hostmaster@he.net 2025-12-11 #0

`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=1774799792

Subdomains

gwsib.sibengineering.com

mx.sibengineering.com

zimbra-sib.sibengineering.com

mx1.sibengineering.com

mx2.sibengineering.com

mail.sibengineering.com

Same first word

sibengineering.com

Similar names

ibsengineering.com.au

bsiengineering.com

isbengineering.co.uk

sbiengineering.com

DNS History

19 records (8 active, 11 former)

●NSns1.he.net2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○NSns1.napaster.name2016-03-23 → 2018-08-02 · 5 obs

○ 2015-12-21 19:58:26
● 2016-03-23 23:08:18
● 2018-08-02 22:55:38
○ 2026-02-16 02:18:48
○ 2026-03-29 16:12:42

○NSns1.sibengineering.com2015-08-12 → 2015-12-21 · 4 obs

● 2015-08-12 16:46:50
● 2015-12-21 19:58:26
○ 2016-03-23 23:08:18
○ 2026-03-29 16:12:42

●NSns2.he.net2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○NSns2.napaster.name2016-03-23 → 2018-08-02 · 5 obs

○ 2015-12-21 19:58:26
● 2016-03-23 23:08:18
● 2018-08-02 22:55:38
○ 2026-02-16 02:18:48
○ 2026-03-29 16:12:42

○NSns2.sibengineering.com2015-08-12 → 2015-12-21 · 4 obs

● 2015-08-12 16:46:50
● 2015-12-21 19:58:26
○ 2016-03-23 23:08:18
○ 2026-03-29 16:12:42

●NSns3.he.net2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○NSns3.napaster.name2018-08-02 → 2018-08-02 · 4 obs

○ 2016-03-23 23:08:18
● 2018-08-02 22:55:38
○ 2026-02-16 02:18:48
○ 2026-03-29 16:12:42

●NSns4.he.net2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

●NSns5.he.net2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○MXmail.sibengineering.com2015-08-12 → 2015-12-21 · 4 obs

● 2015-08-12 16:46:50
● 2015-12-21 19:58:26
○ 2016-03-23 23:08:18
○ 2026-03-29 16:12:42

○MXmx.sibengineering.com2015-08-12 → 2015-12-21 · 4 obs

● 2015-08-12 16:46:50
● 2015-12-21 19:58:26
○ 2016-03-23 23:08:18
○ 2026-03-29 16:12:42

●MXmx1.sibengineering.com2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○MXmx1.ventcomplex.ru2016-03-23 → 2018-08-02 · 5 obs

○ 2015-12-21 19:58:26
● 2016-03-23 23:08:18
● 2018-08-02 22:55:38
○ 2026-02-16 02:18:48
○ 2026-03-29 16:12:42

●MXzimbra-sib.sibengineering.com2026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○A193.150.124.192016-03-23 → 2016-09-19 · 5 obs

○ 2015-12-21 19:58:26
● 2016-03-23 23:08:18
● 2016-09-19 09:08:48
○ 2017-07-08 03:49:38
○ 2026-03-29 16:12:42

○A92.125.156.1012015-08-12 → 2015-12-21 · 4 obs

● 2015-08-12 16:46:50
● 2015-12-21 19:58:26
○ 2016-03-23 23:08:18
○ 2026-03-29 16:12:42

●A92.53.96.1432026-02-16 → 2026-03-29 · 3 obs

○ 2018-08-02 22:55:38
● 2026-02-16 02:18:48
● 2026-03-29 16:12:42

○A92.53.96.472017-07-08 → 2018-08-02 · 5 obs

○ 2016-09-19 09:08:48
● 2017-07-08 03:49:38
● 2018-08-02 22:55:38
○ 2026-02-16 02:18:48
○ 2026-03-29 16:12:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sibengineering.com	ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net...	-

✅ Authoritative Response

Server:216.66.80.18

NS records: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sibengineering.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.53.96.143`
NS	5	`ns4.he.net, ns2.he.net...`
MX	2	`mx1.sibengineering.com (pri: 10), zimbra-sib.sibengineering.com (pri: 50)`
TXT	1	`v=spf1 +a +mx -all`
SOA	1	`ns1.he.net hostmaster.he.net`

Analysis

Hierarchy

sibengineering.com is a parent of gwsib.sibengineering.com, mx.sibengineering.com, zimbra-sib.sibengineering.com, mx1.sibengineering.com, mx2.sibengineering.com and a few other host names.

IP Addresses

sibengineering.com points to a single IP: 92.53.96.143.

Other host names, for instance poverim26.ru, www.bzrp.ru, interwood.su, dinco.ru and vikaart.ru share IP numbers with sibengineering.com.

Name Servers

sibengineering.com is delegated to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.

sibengineering.com partially shares name servers with other domains; examples include digitronix.ro, dtek.biz, cordillera.com.py, epork.net and quat.ch.

These name servers are commonly used with ns2.afraid.org, puck.nether.net and fns1.42.pl.

Host names with two IP numbers:

ns1.he.net points to: 2001:470:100::2 and 216.218.130.2

ns2.he.net points to: 2001:470:200::2 and 216.218.131.2

ns3.he.net points to: 2001:470:300::2 and 216.218.132.2

ns4.he.net points to: 2001:470:400::2 and 216.66.1.2

ns5.he.net points to: 2001:470:500::2 and 216.66.80.18

Mail Servers

sibengineering.com is handled by two mail servers: mx1.sibengineering.com and zimbra-sib.sibengineering.com.

Host names with one IP number: The host name mx1.sibengineering.com points to 5.131.242.133 and the host name zimbra-sib.sibengineering.com points to 5.131.242.135.

sibengineering.com - robtex.com