python-introduction.com - dns.ninja
python-introduction.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.184.27🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns5.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | python-introduction.com ⭐ | ||||||
| A | 157.7.184.27🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 ip4:157.7.184.27 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@python-introduction.com 2020-08-26 #22 | ||||||
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.netnstld@verisign-grs.com serial=1787601586 | ||||||
MX for
python-introduction.com |
Same first word
python-introduction.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.value-domain.com2018-07-27 → 2026-08-24 · 2 obs
● 2026-08-24 20:27:12
●NSns2.value-domain.com2018-07-27 → 2026-08-24 · 2 obs
● 2026-08-24 20:27:12
●NSns3.value-domain.com2026-08-04 → 2026-08-24 · 3 obs
● 2026-08-04 03:05:28
● 2026-08-24 20:27:12
●NSns4.value-domain.com2026-08-04 → 2026-08-24 · 3 obs
● 2026-08-04 03:05:28
● 2026-08-24 20:27:12
●NSns5.value-domain.com2026-08-04 → 2026-08-24 · 3 obs
● 2026-08-04 03:05:28
● 2026-08-24 20:27:12
●MXpython-introduction.com2018-07-27 → 2026-08-24 · 2 obs
● 2026-08-24 20:27:12
●A157.7.184.272018-07-27 → 2026-08-24 · 2 obs
● 2026-08-24 20:27:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| python-introduction.com | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com... | 5 records |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for python-introduction.com (unsigned zone)
⏱️ Timing
Total: 694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.184.27 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | python-introduction.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:157.7.184.27 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.python-i |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)
Analysis
Mail Server Role
The MX record for python-introduction.com points back to python-introduction.com — it is its own mail server.
IP Addresses
python-introduction.com directs to one IP number, which is 157.7.184.27.
Among the host names that share IP numbers with python-introduction.com are host.splus.co.jp, gyu-gen.com, allweb.biz and two others.
Name Servers
The authoritative name servers for python-introduction.com are ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
At least some of python-introduction.com's name servers are shared with other domains, for example e-tsd.co.jp, coedo.jp, monomise.com and two more.
These name servers are routinely co-deployed with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
Hosts that resolve to one IP address:
ns1.value-domain.com points to the IP address 172.64.52.38.
ns2.value-domain.com points to the IP address 172.64.53.3.
ns3.value-domain.com points to the IP address 172.64.52.38.
ns4.value-domain.com points to the IP address 172.64.53.3.
ns5.value-domain.com points to the IP address 172.64.52.38.
ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com all direct to 172.64.52.38.
These two host names — ns2.value-domain.com and ns4.value-domain.com — each point to 172.64.53.3 IP addresses.
Mail Servers
The MX record for python-introduction.com points to a single mail server: python-introduction.com.
There is one IP number for python-introduction.com: 157.7.184.27.