`sierraspectrumppo.com`

DNSSEC	🔒 Signed (DS record present)
NS	`epla1.corpnamesvcs.com` ⭐
		A	149.111.128.204^{🇺🇸 UHG149.111.128.0/19 AC_UNITEDHEA1}
			PTR	`epla1.corpnamesvcs.com`
NS	`edns4.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::204^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns4.ultradns.biz`
		A	204.74.67.4^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns4.ultradns.biz`
NS	`edns4.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::204^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns4.ultradns.com`
		A	204.74.66.4^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns4.ultradns.com`
NS	`edns4.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::204^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns4.ultradns.net`
		A	204.74.110.4^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns4.ultradns.net`
NS	`edns4.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::204^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns4.ultradns.org`
		A	204.74.111.4^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns4.ultradns.org`
NS	`epla2.corpnamesvcs.com`
		A	168.183.36.43^{🇺🇸 UHG168.183.36.0/22 UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442}
			PTR	`epla2.corpnamesvcs.com`
TXT	`v=spf1 include:_spfv4.corpmailsvcs.com -all`
SOA	`epla1.corpnamesvcs.com`hostmaster@uhc.com serial=3732

`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=1778353081

Same first word

sierraspectrumppo.com

DNS History

8 records (6 active, 2 former)

●NSedns4.ultradns.biz2026-05-09 → 2026-05-09 · 2 obs

○ 2017-12-18 10:13:50
● 2026-05-09 19:05:04

●NSedns4.ultradns.com2026-05-09 → 2026-05-09 · 2 obs

○ 2017-12-18 10:13:50
● 2026-05-09 19:05:04

●NSedns4.ultradns.net2026-05-09 → 2026-05-09 · 2 obs

○ 2017-12-18 10:13:50
● 2026-05-09 19:05:04

●NSedns4.ultradns.org2026-05-09 → 2026-05-09 · 2 obs

○ 2017-12-18 10:13:50
● 2026-05-09 19:05:04

●NSepla1.corpnamesvcs.com2015-08-21 → 2026-05-09 · 2 obs

● 2015-08-21 08:04:54
● 2026-05-09 19:05:04

●NSepla2.corpnamesvcs.com2015-08-21 → 2026-05-09 · 2 obs

● 2015-08-21 08:04:54
● 2026-05-09 19:05:04

○NSepla3.corpnamesvcs.com2015-08-21 → 2017-12-18 · 3 obs

● 2015-08-21 08:04:54
● 2017-12-18 10:13:50
○ 2026-05-09 19:05:04

○A205.132.162.252015-11-30 → 2017-01-02 · 4 obs

● 2015-11-30 10:29:24
● 2017-01-02 09:28:58
○ 2017-12-18 10:13:50
○ 2026-05-09 19:05:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sierraspectrumppo.com	epla2.corpnamesvcs.com, epla1.corpnamesvcs.com, edns4.ultradns.net, edns4.ultradns.com...	4 records

✅ Authoritative Response

Server:168.183.36.43

NS records: epla2.corpnamesvcs.com, epla1.corpnamesvcs.com, edns4.ultradns.net, edns4.ultradns.com, edns4.ultradns.biz, edns4.ultradns.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`epla2.corpnamesvcs.com, epla1.corpnamesvcs.com`
TXT	1	`v=spf1 include:_spfv4.corpmailsvcs.com -`
SOA	1	`epla1.corpnamesvcs.com hostmaster.uhc.co`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (epla2.corpnamesvcs.com, epla1.corpnamesvcs.com, edns4.ultradns.com...)

Analysis

Name Servers

sierraspectrumppo.com delegates to six name servers: edns4.ultradns.biz, epla1.corpnamesvcs.com, epla2.corpnamesvcs.com, edns4.ultradns.com, edns4.ultradns.net and edns4.ultradns.org.

sierraspectrumppo.com at least partially shares name servers with other domains, for instance nyc311rxcard.com, antirobe.com, adopt-a-survey.it, megainsurance.com and granitemedical.com.

These name servers are commonly used with the following: ns55.ultradns2.com, ns55.ultradns2.org, ns79.ultradns2.com and ns79.ultradns2.org.

Two IPs per host:

edns4.ultradns.biz points to 2610:a1:1015::204 and 204.74.67.4

edns4.ultradns.com points to 2001:502:f3ff::204 and 204.74.66.4

edns4.ultradns.net points to 2610:a1:1014::204 and 204.74.110.4

edns4.ultradns.org points to 2001:502:4612::204 and 204.74.111.4

One IP per host:

epla1.corpnamesvcs.com points to 149.111.128.204

epla2.corpnamesvcs.com points to 168.183.36.43

sierraspectrumppo.com - robtex.com