silvan.com - dns.ninja
silvan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.191.234.64🇺🇸 Microsoft52.160.0.0/11 MICROSOFT | ||||||
| NS | ns1-04.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::4🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-04.azure-dns.com | ||||||
| A | 13.107.236.4🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-04.azure-dns.com | ||||||
| NS | ns2-04.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-04.azure-dns.net | ||||||
| A | 150.171.21.4🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-04.azure-dns.net | ||||||
| NS | ns3-04.azure-dns.org | ||||||
| A | 2a01:111:4000:700::4🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-04.azure-dns.org | ||||||
| A | 204.14.183.4🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-04.azure-dns.org | ||||||
| NS | ns4-04.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-04.azure-dns.info | ||||||
| A | 208.84.5.4🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-04.azure-dns.info | ||||||
| SOA | ns1-04.azure-dns.comdnsadmin@educate.com serial=2008100005 | ||||||
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=1782903426 | ||||||
Subdomains
www.silvan.com |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns1.educate.com2015-08-21 → 2017-09-21 · 4 obs
● 2017-09-21 07:27:52
○ 2026-02-14 18:55:26
○ 2026-07-01 11:28:06
○NSdns2.educate.com2015-08-21 → 2017-09-21 · 4 obs
● 2017-09-21 07:27:52
○ 2026-02-14 18:55:26
○ 2026-07-01 11:28:06
●NSns1-04.azure-dns.com2026-02-14 → 2026-07-01 · 3 obs
● 2026-02-14 18:55:26
● 2026-07-01 11:28:06
●NSns2-04.azure-dns.net2026-02-14 → 2026-07-01 · 3 obs
● 2026-02-14 18:55:26
● 2026-07-01 11:28:06
●NSns3-04.azure-dns.org2026-02-14 → 2026-07-01 · 3 obs
● 2026-02-14 18:55:26
● 2026-07-01 11:28:06
●NSns4-04.azure-dns.info2026-02-14 → 2026-07-01 · 3 obs
● 2026-02-14 18:55:26
● 2026-07-01 11:28:06
●A52.191.234.642026-02-14 → 2026-07-01 · 3 obs
● 2026-02-14 18:55:26
● 2026-07-01 11:28:06
○A69.7.77.1512015-08-21 → 2017-09-21 · 4 obs
● 2017-09-21 07:27:52
○ 2026-02-14 18:55:26
○ 2026-07-01 11:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| silvan.com | ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info | 2 records |
✅ Authoritative Response
Server:204.14.183.4
NS records: ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for silvan.com (unsigned zone)
⏱️ Timing
Total: 554ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.191.234.64 |
| NS | 4 | ns1-04.azure-dns.com, ns2-04.azure-dns.net... |
| SOA | 1 | ns1-04.azure-dns.com dnsadmin.educate.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-04.azure-dns.com, ns1-04.azure-dns.com)
Analysis
Hierarchy
www.silvan.com is a subdomain of silvan.com.
IP Addresses
silvan.com has exactly one IP address — 52.191.234.64.
tutoring.sylvanlearning.com, educate.com, 1800educate.com plus two other host names have IP numbers in common with silvan.com.
Name Servers
Four name servers handle the delegation for silvan.com: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.
The name servers of silvan.com overlap at least partially with those of other domains — among them carriercheck.com, 43.244.20.in-addr.arpa, bornholmsradio.dk and two more.
Each of the four hosts ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org has two IP addresses. ns1-04.azure-dns.com points to 13.107.236.4 and 2603:1061:0:700::4. ns4-04.azure-dns.info points to 208.84.5.4 and 2620:1ec:bda:700::4. ns2-04.azure-dns.net points to 150.171.21.4 and 2620:1ec:8ec:700::4. ns3-04.azure-dns.org points to 204.14.183.4 and 2a01:111:4000:700::4.