hostmaster.systemu.com - dns.ninja

`hostmaster.systemu.com`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies}
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies}
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies}
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies}
NS	`damao.ns.giantpanda.com` ⭐ ⚠️ Not in parent delegation
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
NS	`yangguang.ns.giantpanda.com` ⚠️ Not in parent delegation
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
MX	`mail.mailerhost.net` ⭐
		A	5.161.133.13^{🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24}
		A	161.35.84.83^{🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean}
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`systemu.com`

	DNSSEC	⚠️ Not signed
	A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
	A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
	A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
	A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
	A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies}
	A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies}
	A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies}
	A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies}
	NS	`damao.ns.giantpanda.com` ⭐
	NS	`yangguang.ns.giantpanda.com`
	MX	`mail.mailerhost.net` ⭐
	TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
	SOA	`damao.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

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DNS History

22 records (11 active, 11 former)

●NSdamao.ns.giantpanda.com2026-03-26 → 2026-07-05 · 2 obs

● 2026-03-26 23:46:40
● 2026-07-05 09:47:26

●NSyangguang.ns.giantpanda.com2026-07-03 → 2026-07-05 · 3 obs

○ 2026-03-26 23:46:40
● 2026-07-03 23:49:12
● 2026-07-05 09:47:26

●MXmail.mailerhost.net2026-03-26 → 2026-07-05 · 2 obs

● 2026-03-26 23:46:40
● 2026-07-05 09:47:26

○A139.162.174.2092026-03-26 → 2026-07-04 · 12 obs

○ 2016-06-27 10:13:00
● 2026-03-26 23:46:40
○ 2026-03-30 10:21:36
● 2026-03-30 14:08:08
○ 2026-04-03 17:16:08
● 2026-04-04 07:59:10
○ 2026-04-13 14:55:14
● 2026-04-13 15:57:20
○ 2026-07-03 23:49:12
● 2026-07-04 08:39:14
○ 2026-07-05 09:47:24
○ 2026-07-05 09:47:26

○A139.162.181.762026-03-26 → 2026-07-04 · 12 obs

○A172.104.149.862026-03-26 → 2026-07-04 · 12 obs

○A172.104.203.1862026-03-26 → 2026-07-04 · 12 obs

○A172.104.251.1982026-03-26 → 2026-07-04 · 12 obs

●A2600:3c03::f03c:95ff:fe00:29ca2026-04-03 → 2026-07-05 · 9 obs

○ 2026-03-30 14:08:08
● 2026-04-03 17:16:08
○ 2026-04-04 07:59:10
● 2026-04-13 14:55:14
○ 2026-04-13 15:57:20
● 2026-07-03 23:49:12
○ 2026-07-04 08:39:14
● 2026-07-05 09:47:24
● 2026-07-05 09:47:26

●A2600:3c03::f03c:95ff:fe91:5d522026-03-30 → 2026-07-05 · 11 obs

○ 2026-03-26 23:46:40
● 2026-03-30 10:21:36
○ 2026-03-30 14:08:08
● 2026-04-03 17:16:08
○ 2026-04-04 07:59:10
● 2026-04-13 14:55:14
○ 2026-04-13 15:57:20
● 2026-07-03 23:49:12
○ 2026-07-04 08:39:14
● 2026-07-05 09:47:24
● 2026-07-05 09:47:26

●A2600:3c03::f03c:95ff:feed:4d4f2026-03-30 → 2026-07-05 · 11 obs

●A2600:3c03::f03c:95ff:feed:cf2a2026-04-03 → 2026-07-05 · 9 obs

○A2a01:7e01::2000:dff:fec1:5cdb2026-03-26 → 2026-07-04 · 12 obs

○A2a01:7e01::f03c:95ff:fe00:26922026-03-26 → 2026-07-04 · 12 obs

○A2a01:7e01::f03c:95ff:fe91:5d912026-03-26 → 2026-07-04 · 12 obs

○A2a01:7e01::f03c:95ff:feeb:9d4b2026-03-26 → 2026-07-04 · 12 obs

○A2a01:7e01::f03c:95ff:feed:783e2026-03-26 → 2026-07-04 · 12 obs

●A45.33.83.1002026-04-03 → 2026-07-05 · 9 obs

●A45.79.167.1802026-04-03 → 2026-07-05 · 9 obs

○A50.63.202.1042015-06-28 → 2016-06-27 · 4 obs

● 2015-06-28 04:36:50
● 2016-06-27 10:13:00
○ 2026-03-26 23:46:40
○ 2026-07-05 09:47:26

●A66.175.209.1792026-03-30 → 2026-07-05 · 11 obs

●A96.126.111.1652026-03-30 → 2026-07-05 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
systemu.com	damao.ns.giantpanda.com, yangguang.ns.giantpanda.com	2 records

✅ Authoritative Response

Server:3.33.232.36

NS records: damao.ns.giantpanda.com, yangguang.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemu.com (unsigned zone)

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.79.167.180, 45.33.83.100...`
AAAA	4	`2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca...`
NS	2	`damao.ns.giantpanda.com, yangguang.ns.giantpanda.com`
MX	1	`mail.mailerhost.net (pri: 1)`
TXT	1	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
SOA	1	`damao.ns.giantpanda.com admin.giantpanda`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (damao.ns.giantpanda.com, yangguang.ns.giantpanda.com)

Analysis

IP Addresses

hostmaster.systemu.com directs to 8 IP numbers: 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Two other host names, along with razorback.com, dictionarykids.com and seslistar.com.com, also share IP numbers with hostmaster.systemu.com.

Name Servers

Two name servers handle the delegation for hostmaster.systemu.com: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.

hostmaster.systemu.com shares its NS records with other domains, for example 47984.com, netmemo.com, orientalhealth.com and two others.

The name servers of hostmaster.systemu.com overlap at least partially with those of other domains — among them nullmx.asthetic.com, machine249.idid.com, www.ma(0x736578).com and two more.

These name servers commonly appear in combination with the name servers xinxin.ns.giantpanda.com.

Both damao.ns.giantpanda.com and yangguang.ns.giantpanda.com have a single IP address each — damao.ns.giantpanda.com resolves to 3.33.232.36 while yangguang.ns.giantpanda.com resolves to 75.2.45.63.

Mail Servers

The sole mail server for hostmaster.systemu.com is mail.mailerhost.net.

Among the domains sharing a mail server setup with hostmaster.systemu.com are nsir.com, hostmaster.lunchmaster.com, palword.com and two others.

mail.mailerhost.net resolves to two IP numbers — 5.161.133.13 and 161.35.84.83.