polytechnique.org - dns.ninja
polytechnique.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 91.121.62.108🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | ozgurluk.polytechnique.org | ||||||
| NS | ns1.polytechnique.org ⭐ | ||||||
| A | 129.104.30.37🇫🇷 FR-RENATER129.104.0.0/16 FR-ECOLE-POLYTECHNIQUE-PALAISEAU | ||||||
| PTR | svoboda.polytechnique.org | ||||||
| NS | ns2.polytechnique.org | ||||||
| A | 5.196.91.229🇫🇷 OVH5.196.0.0/16 | ||||||
| PTR | oz-v4.polytechnique.org | ||||||
| NS | ns3.polytechnique.org | ||||||
| A | 129.104.30.32🇫🇷 FR-RENATER129.104.0.0/16 FR-ECOLE-POLYTECHNIQUE-PALAISEAU | ||||||
| PTR | yuuai.polytechnique.org | ||||||
| MX | mx2.polytechnique.org ⭐ | ||||||
| A | 129.104.30.35🇫🇷 FR-RENATER129.104.0.0/16 FR-ECOLE-POLYTECHNIQUE-PALAISEAU | ||||||
| PTR | mx2.polytechnique.org | ||||||
| MX | mx3.polytechnique.org(5) | ||||||
| A | 2001:41d0:a:7ae5::6d78:33🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | mx3v6.polytechnique.org | ||||||
| A | 91.121.62.107🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | mx3.polytechnique.org | ||||||
| TXT | v=spf1 include:spf.polytechnique.org include:aspmx.googlemail.com ?all | ||||||
| SOA | ns1.polytechnique.orgcontact@polytechnique.org 2026-06-05 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784735177 | ||||||
rank #78320 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #679,805
Subdomains
www.polytechnique.org |
ns2.polytechnique.org |
mx1.polytechnique.org |
smtp.polytechnique.org |
1981.polytechnique.org |
diogenes.polytechnique.org |
forum-test.polytechnique.org |
tikrinti.polytechnique.org |
doc.polytechnique.org |
ns3.polytechnique.org |
mx3.polytechnique.org |
ozgurluk.polytechnique.org |
x-biotech.polytechnique.org |
ns1.polytechnique.org |
ax.polytechnique.org |
oz-v4.polytechnique.org |
djali.polytechnique.org |
yuuai.polytechnique.org |
mx2.polytechnique.org |
svoboda.polytechnique.org |
mx3v6.polytechnique.org |
git.polytechnique.org |
jamlikhet.polytechnique.org |
imap.polytechnique.org |
murphy.polytechnique.org |
kiireessa.polytechnique.org |
Same first word
DNS History
7 records (6 active, 1 former)
●NSns1.polytechnique.org2015-08-15 → 2026-07-22 · 2 obs
● 2026-07-22 16:06:08
●NSns2.polytechnique.org2015-08-15 → 2026-07-22 · 2 obs
● 2026-07-22 16:06:08
●NSns3.polytechnique.org2015-08-15 → 2026-07-22 · 2 obs
● 2026-07-22 16:06:08
●MXmx2.polytechnique.org2015-08-15 → 2026-07-22 · 2 obs
● 2026-07-22 16:06:08
●MXmx3.polytechnique.org2015-08-15 → 2026-07-22 · 2 obs
● 2026-07-22 16:06:08
○A129.104.30.372015-08-15 → 2017-09-04 · 4 obs
● 2017-09-04 17:55:24
○ 2020-02-03 12:36:46
○ 2026-07-22 16:06:08
●A91.121.62.1082020-02-03 → 2026-07-22 · 3 obs
● 2020-02-03 12:36:46
● 2026-07-22 16:06:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| polytechnique.org | ns3.polytechnique.org, ns2.polytechnique.org, ns1.polytechnique.org | 3 records |
✅ Authoritative Response
Server:129.104.30.32
NS records: ns3.polytechnique.org, ns2.polytechnique.org, ns1.polytechnique.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.121.62.108 |
| NS | 3 | ns3.polytechnique.org, ns1.polytechnique.org... |
| MX | 2 | mx3.polytechnique.org (pri: 5), mx2.polytechnique.org (pri: 0) |
| TXT | 1 | v=spf1 include:spf.polytechnique.org inc |
| SOA | 1 | ns1.polytechnique.org contact.polytechni |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.polytechnique.org, ns2.polytechnique.org, ns3.polytechnique.org)
Analysis
Hierarchy
Among the subdomains of polytechnique.org are www.polytechnique.org, ns2.polytechnique.org, mx1.polytechnique.org, smtp.polytechnique.org, 1981.polytechnique.org and a few other host names.
IP Addresses
polytechnique.org points to a single IP number: 91.121.62.108.
Host names such as blog-x.org, ozgurluk.polytechnique.org and ozgurluk.m4x.org share their IP numbers with polytechnique.org.
Name Servers
Three name servers are authoritative for polytechnique.org: ns1.polytechnique.org, ns2.polytechnique.org and ns3.polytechnique.org.
There is at least partial name server overlap between polytechnique.org and other domains — w4x.org, melix.org, polytechnique.net and two more among them.
Three hostnames, one IP address apiece: ns1.polytechnique.org resolves to 129.104.30.37, ns2.polytechnique.org resolves to 5.196.91.229 and ns3.polytechnique.org resolves to 129.104.30.32.
Mail Servers
polytechnique.org has two mail servers: mx2.polytechnique.org and mx3.polytechnique.org.
polytechnique.org shares the same mail server setup as other domains, including polytechnique.biz, platal.org, bounces.m4x.org and two others.
polytechnique.org shares mail servers — at least in part — with other domains, including palats.org, x-biotech.polytechnique.org, ax.polytechnique.org and two others.
Host names with two IP numbers:
mx3.polytechnique.org maps to two IP addresses — 91.121.62.107 and 2001:41d0:a:7ae5::6d78:33.
Host names pointing to a single IP address:
mx2.polytechnique.org points to the IP address 129.104.30.35.