`springframework.us`

DNSSEC	⚠️ Not signed
A	208.91.0.132
		PTR	`as-40816.engx.vmware.com`
NS	`edns161.ultradns.com` ⭐
		A	2001:502:f3ff::2a1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns161.ultradns.com`
		A	204.74.66.161^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns161.ultradns.com`
NS	`edns161.ultradns.biz`
		A	2610:a1:1015::2a1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns161.ultradns.biz`
		A	204.74.67.161^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns161.ultradns.biz`
NS	`edns161.ultradns.net`
		A	2610:a1:1014::2a1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns161.ultradns.net`
		A	204.74.110.161^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns161.ultradns.net`
NS	`edns161.ultradns.org`
		A	2001:502:4612::2a1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns161.ultradns.org`
		A	204.74.111.161^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns161.ultradns.org`
NS	`ns96.ultradns2.com`
		A	2610:a1:3160::53^{🇺🇸 AS3991692610:a1:3160::/48}
			PTR	`ns96.ultradns2.com`
		A	204.74.104.96^{🇺🇸 AS399169204.74.104.0/24 UltraDNS}
			PTR	`ns96.ultradns2.com`
NS	`ns96.ultradns2.org`
		A	2610:a1:3260::53^{🇺🇸 AS3991692610:a1:3260::/48}
			PTR	`ns96.ultradns2.org`
		A	204.74.106.96^{🇺🇸 AS399169204.74.106.0/24 UltraDNS}
			PTR	`ns96.ultradns2.org`
MX	`mail1.vmware.com` ⭐
MX	`mail1b.vmware.com` ⭐
SOA	`edns161.ultradns.com`domains\@admin.broadcom.com serial=1629984440

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1778374032

Subdomains

www.springframework.us

Same first word

DNS History

12 records (9 active, 3 former)

●NSedns161.ultradns.biz2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

●NSedns161.ultradns.com2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

●NSedns161.ultradns.net2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

●NSedns161.ultradns.org2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

○NSns4.vmware.com2015-08-19 → 2016-08-23 · 4 obs

● 2015-08-19 12:07:12
● 2016-08-23 17:33:12
○ 2026-02-25 23:06:36
○ 2026-05-10 01:02:32

●NSns96.ultradns2.com2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

●NSns96.ultradns2.org2026-02-25 → 2026-05-10 · 3 obs

○ 2016-08-23 17:33:12
● 2026-02-25 23:06:36
● 2026-05-10 01:02:32

○NSosdc-ext-dns-1.vmware.com2015-08-19 → 2016-08-23 · 4 obs

● 2015-08-19 12:07:12
● 2016-08-23 17:33:12
○ 2026-02-25 23:06:36
○ 2026-05-10 01:02:32

○NSsc9-ext-dns-1.vmware.com2015-08-19 → 2016-08-23 · 4 obs

● 2015-08-19 12:07:12
● 2016-08-23 17:33:12
○ 2026-02-25 23:06:36
○ 2026-05-10 01:02:32

●MXmail1.vmware.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 12:07:12
● 2026-05-10 01:02:32

●MXmail1b.vmware.com2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 12:07:12
● 2026-05-10 01:02:32

●A208.91.0.1322015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 12:07:12
● 2026-05-10 01:02:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
springframework.us	edns161.ultradns.com, edns161.ultradns.net, ns96.ultradns2.com, edns161.ultradns.biz...	-

✅ Authoritative Response

Server:204.74.104.96

NS records: edns161.ultradns.com, edns161.ultradns.net, ns96.ultradns2.com, edns161.ultradns.biz, edns161.ultradns.org, ns96.ultradns2.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for springframework.us (unsigned zone)

⏱️ Timing

Total: 1582ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.0.132`
NS	6	`ns96.ultradns2.com, ns96.ultradns2.org...`
MX	2	`mail1.vmware.com (pri: 10), mail1b.vmware.com (pri: 10)`
SOA	1	`edns161.ultradns.com domains\.admin.broa`

Analysis

Hierarchy

springframework.us is the parent of www.springframework.us.

IP Addresses

springframework.us resolves to one IP number: 208.91.0.132.

other host names including labs.vmware.com, gotomyvpn.org, xlstudio.com, vsphere.at and xtremelabs.com share IP numbers with springframework.us.

Name Servers

springframework.us is delegated to six name servers: edns161.ultradns.biz, edns161.ultradns.com, ns96.ultradns2.com, edns161.ultradns.net, edns161.ultradns.org and ns96.ultradns2.org.

springframework.us at least partially shares name servers with other domains, for instance zit-consulting.com, threatexpert.gr, messagelabs.it, threatexpert.at and avagotech.cz.

these name servers are commonly used alongside lvn-exdns-1.broadcom.net.

Host names with two IP numbers:

edns161.ultradns.biz points to 2610:a1:1015::2a1 and 204.74.67.161.

edns161.ultradns.com points to 2001:502:f3ff::2a1 and 204.74.66.161.

ns96.ultradns2.com points to 2610:a1:3160::53 and 204.74.104.96.

edns161.ultradns.net points to 2610:a1:1014::2a1 and 204.74.110.161.

edns161.ultradns.org points to 2001:502:4612::2a1 and 204.74.111.161.

ns96.ultradns2.org points to 2610:a1:3260::53 and 204.74.106.96.

Mail Servers

Two mail servers handle springframework.us: mail1.vmware.com and mail1b.vmware.com.

springframework.us shares the same mail server setup as other domains, for instance socialbusinessintelligence.com, passfabric.org, vmwareinstall.com, vmware-healthcare.com and trustedcloud.com.

springframework.us shares some mail servers with other domains, at least partially, for instance ns1.vmware.com, interface.vmware.com, infra.co.uk, vmware.ee and vmwarehealthcare.com.

springframework.us - robtex.com