`threatsim-training.com`

DNSSEC	⚠️ Not signed
NS	`ns1.proofpoint.com` ⭐
		A	2620:100:9000:1::d0^{🇺🇸 Proofpoint2620:100:9000::/47 Inc.}
			PTR	`ns1.proofpoint.com`
		A	208.84.67.208^{🇺🇸 Proofpoint208.84.67.0/24 Inc.}
			PTR	`ns1-at1.proofpoint.com`
			PTR	`ns1.proofpoint.com`
			PTR	`ns5.proofpoint.com`
NS	`ns3.proofpoint.com`
		A	2620:100:9004:1::d0^{🇺🇸 Proofpoint2620:100:9004::/47 Inc.}
			PTR	`ns3.proofpoint.com`
		A	208.84.66.208^{🇺🇸 Proofpoint208.84.66.0/24 Inc.}
			PTR	`ns1-sc4.proofpoint.com`
			PTR	`ns2.proofpoint.com`
			PTR	`ns3.proofpoint.com`
			PTR	`ns4.proofpoint.com`
NS	`pdns99.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::87^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns99.ultradns.biz`
		A	156.154.66.99^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns99.ultradns.biz`
NS	`pdns99.ultradns.com` ⚠️ Not in parent delegation
		A	2001:502:f3ff::87^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns99.ultradns.com`
		A	156.154.64.99^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns99.ultradns.com`
NS	`pdns99.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::87^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns99.ultradns.net`
		A	156.154.65.99^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns99.ultradns.net`
NS	`pdns99.ultradns.org` ⚠️ Not in parent delegation
		A	2001:502:4612::87^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns99.ultradns.org`
		A	156.154.67.99^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns99.ultradns.org`
TXT	`v=spf1 -all`
SOA	`ns1.proofpoint.com`x-ops@proofpoint.com serial=5

`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=1774889377

Same first word

threatsim-training.com

DNS History

7 records (6 active, 1 former)

○NSinfoblox-sc4.ppops.net2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 01:22:42
○ 2026-03-30 17:04:56

●NSns1.proofpoint.com2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

●NSns3.proofpoint.com2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

●NSpdns99.ultradns.biz2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

●NSpdns99.ultradns.com2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

●NSpdns99.ultradns.net2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

●NSpdns99.ultradns.org2026-02-15 → 2026-03-30 · 2 obs

● 2026-02-15 01:22:42
● 2026-03-30 17:04:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
threatsim-training.com	ns1.proofpoint.com, ns3.proofpoint.com	4 records