`zrt.sh`

DNSSEC	⚠️ Not signed
NS	`ns1.hp.com` ⚠️ Not in zone NS records
		A	15.72.96.180^{🇺🇸 AS5468015.72.64.0/18}
			PTR	`ns1.hp.com`
NS	`ns2.hp.com` ⚠️ Not in zone NS records
		A	15.72.32.180^{🇺🇸 AS5468015.72.32.0/23}
			PTR	`ns2.hp.com`
NS	`ns3.hp.com` ⚠️ Not in zone NS records
		A	15.90.180.180^{🇺🇸 AS215515.90.180.0/22 To allow routing to other ISPs}
			PTR	`ns3.hp.com`
NS	`ns4.hp.com` ⚠️ Not in zone NS records
		A	15.90.164.180^{🇺🇸 AS215415.90.164.0/22 To allow routing to other ISPs}
			PTR	`ns4.hp.com`
NS	`ns5.hp.com` ⚠️ Not in zone NS records
		A	15.89.160.180^{🇺🇸 HP-INC15.89.160.0/22 To allow routing to other ISPs}
			PTR	`ns5.hp.com`
NS	`ns6.hp.com` ⚠️ Not in zone NS records
		A	15.89.164.180^{🇯🇵 HP-INC15.89.164.0/24 To allow routing to other ISPs}
			PTR	`ns6.hp.com`

`sh`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.sh` ⭐
	NS	`a2.nic.sh`
	NS	`b0.nic.sh`
	NS	`c0.nic.sh`
	SOA	`a0.nic.sh`hostmaster@donuts.email serial=1784140314

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DNS History

6 records (6 active, 0 former)

●NSns1.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

●NSns2.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

●NSns3.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

●NSns4.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

●NSns5.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

●NSns6.hp.com2026-06-12 → 2026-07-15 · 2 obs

● 2026-06-12 22:52:28
● 2026-07-15 19:12:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sh	a0.nic.sh, a2.nic.sh, b0.nic.sh, c0.nic.sh	8 records
zrt.sh	ns2.hp.com, ns5.hp.com, ns6.hp.com, ns1.hp.com...	-

✅ Authoritative Response

Server:15.90.180.180

NS records: ns2.hp.com, ns5.hp.com, ns6.hp.com, ns1.hp.com, ns3.hp.com, ns4.hp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zrt.sh (unsigned zone)

⏱️ Timing

Total: 975ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.sh, a0.nic.sh, a2.nic.sh...)

Analysis

Name Servers

zrt.sh has 6 name servers — ns1.hp.com, ns2.hp.com, ns3.hp.com and 3 others.

There is at least partial name server overlap between zrt.sh and other domains — pilot-prod.com, poly.ug, hpshoppingvillage.com and two more among them.

These name servers tend to appear in combination with the name servers ns4.hp.com, ns5.hp.com, ns6.hp.com and txa01hpiibpe.ams.hp.net.

Host names that point to one IP address:

ns1.hp.com resolves to 15.72.96.180.

ns2.hp.com resolves to 15.72.32.180.

ns3.hp.com resolves to 15.90.180.180.

ns4.hp.com resolves to 15.90.164.180.

ns5.hp.com resolves to 15.89.160.180.

ns6.hp.com resolves to 15.89.164.180.