`sievertgroup.com`

DNSSEC	⚠️ Not signed
A	64.135.156.72^{🇺🇸 AS1656764.135.152.0/21}
		PTR	`64-135-156-72.netrixllc.com`
NS	`ns57.worldnic.com` ⭐
		A	162.159.26.165^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns58.worldnic.com`
		A	162.159.27.8^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail.interactivetwist.com` ⭐
		A	64.135.156.73^{🇺🇸 AS1656764.135.152.0/21}
			PTR	`64-135-156-73.netrixllc.com`
TXT	`v=spf1 mx include:interactivetwist.com -all`
SOA	`NS57.WORLDNIC.com`namehost@WORLDNIC.com serial=120120122

`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=1774382122

WOT: UNKNOWN (68/100)

Subdomains

hostmaster.sievertgroup.com

Same first word

sievertgroup.com

Similar names

restivegroup.com

vestiregroup.com

DNS History

13 records (4 active, 9 former)

○NSit-ns1.interactivetwist.com2015-05-25 → 2015-10-24 · 5 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2015-10-24 11:52:34
○ 2016-01-18 15:13:12
○ 2026-03-24 20:01:38

○NSit-ns2.interactivetwist.com2015-05-25 → 2015-10-24 · 5 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2015-10-24 11:52:34
○ 2016-01-18 15:13:12
○ 2026-03-24 20:01:38

○NSit-ns3.interactivetwist.com2015-05-25 → 2015-10-24 · 5 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2015-10-24 11:52:34
○ 2016-01-18 15:13:12
○ 2026-03-24 20:01:38

○NSns1.dnswebserver.net2008-01-15 → 2008-01-15 · 3 obs

● 2008-01-15 11:17:14
○ 2015-05-25 10:11:26
○ 2026-03-24 20:01:38

○NSns2.dnswebserver.net2008-01-15 → 2008-01-15 · 3 obs

● 2008-01-15 11:17:14
○ 2015-05-25 10:11:26
○ 2026-03-24 20:01:38

●NSns57.worldnic.com2016-01-18 → 2026-03-24 · 3 obs

○ 2015-10-24 11:52:34
● 2016-01-18 15:13:12
● 2026-03-24 20:01:38

●NSns58.worldnic.com2016-01-18 → 2026-03-24 · 3 obs

○ 2015-10-24 11:52:34
● 2016-01-18 15:13:12
● 2026-03-24 20:01:38

○MXit-mail-backup.interactivetwist.com2015-05-25 → 2017-10-20 · 5 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2017-10-20 13:45:38
○ 2026-03-01 15:45:18
○ 2026-03-24 20:01:38

●MXmail.interactivetwist.com2015-05-25 → 2026-03-24 · 3 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2026-03-24 20:01:38

○MXmail.sievertgroup.com2008-01-15 → 2008-01-15 · 3 obs

● 2008-01-15 11:17:14
○ 2015-05-25 10:11:26
○ 2026-03-24 20:01:38

○A63.246.26.42008-01-15 → 2008-01-15 · 3 obs

● 2008-01-15 11:17:14
○ 2015-05-25 10:11:26
○ 2026-03-24 20:01:38

●A64.135.156.722026-03-01 → 2026-03-24 · 3 obs

○ 2017-10-20 13:45:38
● 2026-03-01 15:45:18
● 2026-03-24 20:01:38

○A64.68.22.2432015-05-25 → 2017-10-20 · 5 obs

○ 2008-01-15 11:17:14
● 2015-05-25 10:11:26
● 2017-10-20 13:45:38
○ 2026-03-01 15:45:18
○ 2026-03-24 20:01:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
sievertgroup.com	ns57.worldnic.com, ns58.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.165

NS records: ns57.worldnic.com, ns58.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sievertgroup.com (unsigned zone)

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.135.156.72`
NS	2	`ns57.worldnic.com, ns58.worldnic.com`
MX	1	`mail.interactivetwist.com (pri: 10)`
TXT	1	`v=spf1 mx include:interactivetwist.com -`
SOA	1	`NS57.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns57.worldnic.com, ns58.worldnic.com)

Analysis

Hierarchy

The parent of hostmaster.sievertgroup.com is sievertgroup.com.

IP Addresses

sievertgroup.com points to a single IP number: 64.135.156.72.

Other host names, for instance ns1.interactivetwist.com, it-ns2.interactivetwist.com, hostmaster.sievertgroup.com, dns2.interactivetwist.com and it-web.interactivetwist.com share IP numbers with sievertgroup.com.

Name Servers

sievertgroup.com is delegated to two name servers: ns57.worldnic.com and ns58.worldnic.com.

sievertgroup.com uses the same name server setup as other domains, for instance braingrowth.com, macysw.com, a-c-t.com, atlantichg.com and mycta1.com.

Host names with one IP number:

ns57.worldnic.com points to: 162.159.26.165.

ns58.worldnic.com points to: 162.159.27.8.

Mail Servers

The mail server for sievertgroup.com is mail.interactivetwist.com.

sievertgroup.com shares some mail servers with other domains, for example pciiw.org, epoxyinterestgroup.org, epoxyinterestgroup.com and interactivetwist.com.

These mail servers are commonly used with it-mail-backup.interactivetwist.com and it-mail02.interactivetwist.com.

Host name mail.interactivetwist.com resolves to IP 64.135.156.73.

sievertgroup.com - robtex.com