polytechna.com - dns.ninja
polytechna.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.45.246.141🇺🇸 NJIIX-166.45.224.0/19 NJIIX.net 110B Meadowlands Pkwy Secaucus, NJ 07094 | ||||||
| NS | ns1.domainrecover.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 149.248.38.58🇺🇸 AS-VULTR149.248.32.0/20 Vultr Assigned Prefix | ||||||
| PTR | 149.248.38.58.vultrusercontent.com | ||||||
| NS | ns1.serverhome.com ⚠️ Not in zone NS records | ||||||
| A | 149.248.38.58🇺🇸 AS-VULTR149.248.32.0/20 Vultr Assigned Prefix | ||||||
| PTR | 149.248.38.58.vultrusercontent.com | ||||||
| NS | ns2.domainrecover.com ⚠️ Not in parent delegation | ||||||
| A | 199.247.16.62🇩🇪 AS-VULTR199.247.16.0/21 Vultr Assigned Prefix | ||||||
| PTR | 199.247.16.62.vultrusercontent.com | ||||||
| NS | ns2.serverhome.com ⚠️ Not in zone NS records | ||||||
| A | 199.247.16.62🇩🇪 AS-VULTR199.247.16.0/21 Vultr Assigned Prefix | ||||||
| PTR | 199.247.16.62.vultrusercontent.com | ||||||
| TXT | yGjyZf7SHD | ||||||
| SOA | ns1.domainrecover.comhostmaster@domainreover.com serial=1623031840 | ||||||
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=1781554315 | ||||||
Same first word
polytechna.ch |
polytechna.eu |
polytechna.cz |
polytechna.com |
Similar names
DNS History
13 records (5 active, 8 former)
●NSns1.domainrecover.com2026-05-14 → 2026-06-15 · 3 obs
● 2026-05-14 16:49:52
● 2026-06-15 20:35:38
○NSns1.dsredirection.com2015-11-11 → 2016-04-30 · 4 obs
● 2016-04-30 23:25:40
○ 2017-02-04 18:29:48
○ 2026-06-15 20:35:38
●NSns1.serverhome.com2026-05-14 → 2026-06-15 · 3 obs
● 2026-05-14 16:49:52
● 2026-06-15 20:35:38
●NSns2.domainrecover.com2026-05-14 → 2026-06-15 · 3 obs
● 2026-05-14 16:49:52
● 2026-06-15 20:35:38
○NSns2.dsredirection.com2015-11-11 → 2016-04-30 · 4 obs
● 2016-04-30 23:25:40
○ 2017-02-04 18:29:48
○ 2026-06-15 20:35:38
●NSns2.serverhome.com2026-05-14 → 2026-06-15 · 3 obs
● 2026-05-14 16:49:52
● 2026-06-15 20:35:38
○MXmxs1.serverhome.com2015-07-04 → 2018-12-12 · 4 obs
● 2018-12-12 18:56:20
○ 2026-05-14 16:49:52
○ 2026-06-15 20:35:38
○MXmxs2.serverhome.com2015-07-04 → 2018-12-12 · 4 obs
● 2018-12-12 18:56:20
○ 2026-05-14 16:49:52
○ 2026-06-15 20:35:38
○A141.8.230.202015-07-04 → 2016-04-30 · 4 obs
● 2016-04-30 23:25:40
○ 2017-02-04 18:29:48
○ 2026-06-15 20:35:38
●A66.45.246.1412017-02-04 → 2026-06-15 · 5 obs
● 2017-02-04 18:29:48
○ 2018-12-12 18:56:20
● 2026-05-14 16:49:52
● 2026-06-15 20:35:38
○CNAMEnews.serverhome.com2015-07-04 → 2016-04-30 · 4 obs
● 2016-04-30 23:25:40
○ 2017-02-04 18:29:48
○ 2026-06-15 20:35:38
○CNAMEsnews.serverhome.com2017-02-04 → 2018-12-12 · 5 obs
● 2017-02-04 18:29:48
● 2018-12-12 18:56:20
○ 2026-05-14 16:49:52
○ 2026-06-15 20:35:38
○CNAMEthie5ku9.dsgeneration.com2015-11-11 → 2016-04-30 · 5 obs
● 2015-11-11 00:41:40
● 2016-04-30 23:25:40
○ 2017-02-04 18:29:48
○ 2026-06-15 20:35:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| polytechna.com | ns1.serverhome.com, ns2.serverhome.com | 2 records |
✅ Authoritative Response
Server:149.248.38.58
NS records: ns1.serverhome.com, ns2.serverhome.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechna.com (unsigned zone)
⏱️ Timing
Total: 248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.45.246.141 |
| NS | 2 | NS1.DOMAINRECOVER.com, NS2.DOMAINRECOVER.com |
| TXT | 1 | yGjyZf7SHD |
| SOA | 1 | ns1.domainrecover.com hostmaster.domainr |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.serverhome.com, ns2.serverhome.com)
Analysis
IP Addresses
polytechna.com directs to one IP number, which is 66.45.246.141.
Among the host names that share IP numbers with polytechna.com are ymlove.com, modemadsl.com, fotoposter.com and two others.
Name Servers
The domain polytechna.com is delegated to these four name servers: ns1.domainrecover.com, ns2.domainrecover.com, ns1.serverhome.com and ns2.serverhome.com.
The name servers of polytechna.com overlap at least partially with those of other domains — among them pipls.com, fax-mail.com, manageren.com and two more.
These name servers commonly appear in combination with the name servers ns.europeanserver.com.
Each of the host names ns1.domainrecover.com, ns2.domainrecover.com, ns1.serverhome.com and ns2.serverhome.com has one IP address: ns1.domainrecover.com resolves to 149.248.38.58, ns2.domainrecover.com resolves to 199.247.16.62, ns1.serverhome.com resolves to 149.248.38.58 and ns2.serverhome.com resolves to 199.247.16.62.
ns1.domainrecover.com and ns1.serverhome.com each have 149.248.38.58 IP addresses.
ns2.domainrecover.com and ns2.serverhome.com each have 199.247.16.62 IP addresses.