🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`python-guide.work`

DNSSEC	⚠️ Not signed
A	183.181.79.40^{🇯🇵 XSERVER-AS183.181.79.0/24 XSERVER Inc.}
		PTR	`sv7679.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.}
			PTR	`ns1.xserver.jp`
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.}
			PTR	`ns3.xserver.jp`
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	`python-guide.work` ⭐
		A	183.181.79.40^{🇯🇵 XSERVER-AS183.181.79.0/24 XSERVER Inc.}
			PTR	`sv7679.xserver.jp`
TXT	`v=spf1 +a:sv7679.xserver.jp +a:python-guide.work +mx include:spf.sender.xserv...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`work`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.work` ⭐
	NS	`b.nic.work`
	NS	`c.nic.work`
	NS	`x.nic.work`
	NS	`y.nic.work`
	NS	`z.nic.work`
	SOA	`a.nic.work`admin@tldns.godaddy serial=1794012204

⚠️ On DNS blocklist: spam-tlds

MX for

python-guide.work

Same first word

python-guide.cn

python-guide.readthedocs.io

python-guide.work

python-guide.pages.dev

python-guide.com

python-guide.site

python-guide.org

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●NSns2.xserver.jp2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●NSns3.xserver.jp2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●NSns4.xserver.jp2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●NSns5.xserver.jp2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●MXpython-guide.work2026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

●A183.181.79.402026-09-24 → 2026-11-07 · 2 obs

● 2026-09-24 15:34:06
● 2026-11-07 01:32:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
work	a.nic.work, b.nic.work, c.nic.work, x.nic.work...	12 records
python-guide.work	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:183.90.224.230

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 python-guide.work (unsigned zone)

⏱️ Timing

Total: 902ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.79.40`
NS	5	`ns4.xserver.jp, ns1.xserver.jp...`
MX	1	`python-guide.work (pri: 0)`
TXT	1	`v=spf1 +a:sv7679.xserver.jp +a:python-gu`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)

Analysis

Mail Server Role

python-guide.work handles its own mail, functioning as its own mail server.

IP Addresses

python-guide.work resolves to just one IP address, 183.181.79.40.

Two other host names, along with ut-online.net, mail.ittt.jp and shinjuku-biyouhifu.com, also share IP numbers with python-guide.work.

Name Servers

python-guide.work delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between python-guide.work and other domains — azabu-beautybox.jp, kappo-tatsumi.com, surugaseiya8888.com and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

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

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

ns5.xserver.jp maps to three IP 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 resolves to the IP address 35.72.43.26.

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

Mail Servers

python-guide.work is served by just one mail server: python-guide.work.

python-guide.work resolves to 183.181.79.40 and no other IP number.

python-guide.work - robtex.com