🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`thirdclasspg.tech`

DNSSEC	⚠️ Not signed
A	183.181.96.116^{🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.}
		PTR	`sv12755.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`thirdclasspg.tech` ⭐
		A	183.181.96.116^{🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.}
			PTR	`sv12755.xserver.jp`
TXT	`v=spf1 +a:sv12755.xserver.jp +a:thirdclasspg.tech +mx include:spf.sender.xser...`
TXT	`google-site-verification=2pyi1SihEQ13DJqlrh_5meNncCLMEouWvv_RfrJA1DU`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1788295739

MX for

thirdclasspg.tech

Same first word

thirdclasspg.tech

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-08-27 → 2026-09-01 · 2 obs

● 2026-08-27 04:20:58
● 2026-09-01 21:47:28

●NSns2.xserver.jp2026-08-27 → 2026-09-01 · 2 obs

● 2026-08-27 04:20:58
● 2026-09-01 21:47:28

●NSns3.xserver.jp2026-08-27 → 2026-09-01 · 2 obs

● 2026-08-27 04:20:58
● 2026-09-01 21:47:28

●NSns4.xserver.jp2026-08-27 → 2026-09-01 · 2 obs

● 2026-08-27 04:20:58
● 2026-09-01 21:47:28

●NSns5.xserver.jp2026-08-27 → 2026-09-01 · 2 obs

● 2026-08-27 04:20:58
● 2026-09-01 21:47:28

●MXthirdclasspg.tech2026-08-27 → 2026-09-01 · 4 obs

● 2026-08-27 04:20:58
○ 2026-09-01 07:22:34
● 2026-09-01 11:24:42
● 2026-09-01 21:47:28

●A183.181.96.1162026-08-27 → 2026-09-01 · 4 obs

● 2026-08-27 04:20:58
○ 2026-09-01 07:22:34
● 2026-09-01 11:24:42
● 2026-09-01 21:47:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net	8 records
thirdclasspg.tech	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.164

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thirdclasspg.tech (unsigned zone)

⏱️ Timing

Total: 1373ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.96.116`
NS	5	`ns1.xserver.jp, ns2.xserver.jp...`
MX	1	`thirdclasspg.tech (pri: 0)`
TXT	2	`google-site-verification=2pyi1SihEQ13DJq, v=spf1 +a:sv12755.xserver.jp +a:thirdcla`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

Mail Server Role

thirdclasspg.tech handles its own mail, functioning as its own mail server.

IP Addresses

thirdclasspg.tech resolves to just one IP address, 183.181.96.116.

Two other host names, along with fun-choice.com, 3selections.com and sv12755.xserver.jp, also share IP numbers with thirdclasspg.tech.

Name Servers

thirdclasspg.tech delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of thirdclasspg.tech's name servers are shared with other domains, for example futuresummit.jp, brasserie-epattache.jp, plenty.jp and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

thirdclasspg.tech is served by just one mail server: thirdclasspg.tech.

There is one IP number for thirdclasspg.tech: 183.181.96.116.

thirdclasspg.tech - robtex.com