sylvan.com - robtex.com
sylvan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix | ||||||
| NS | ns1.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns2.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.sylvan.com ⭐ | ||||||
| A | 45.77.3.251🇺🇸 AS-VULTR45.77.0.0/21 Vultr Assigned Prefix | ||||||
| PTR | mail.sylvan.com | ||||||
| TXT | v=spf1 a mx ip4:45.77.3.251 ~all | ||||||
| SOA | NS1.WORLDNIC.comnamehost@WORLDNIC.com serial=125122614 | ||||||
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=1774409297 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.worldnic.com2015-07-06 → 2026-03-25 · 2 obs
● 2026-03-25 03:29:42
●NSns2.worldnic.com2015-07-06 → 2026-03-25 · 2 obs
● 2026-03-25 03:29:42
●MXmail.sylvan.com2015-07-06 → 2026-03-25 · 2 obs
● 2026-03-25 03:29:42
○A104.156.230.1942015-07-06 → 2017-01-10 · 4 obs
● 2017-01-10 04:24:48
○ 2017-12-17 10:05:48
○ 2026-03-25 03:29:42
●A216.150.1.12026-02-23 → 2026-03-25 · 3 obs
● 2026-02-23 07:08:58
● 2026-03-25 03:29:42
○A45.77.3.2512017-12-17 → 2017-12-17 · 4 obs
● 2017-12-17 10:05:48
○ 2026-02-23 07:08:58
○ 2026-03-25 03:29:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sylvan.com | ns1.worldnic.com, ns2.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.124
NS records: ns1.worldnic.com, ns2.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sylvan.com (unsigned zone)
⏱️ Timing
Total: 274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 2 | ns2.worldnic.com, ns1.worldnic.com |
| MX | 1 | mail.sylvan.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:45.77.3.251 ~all |
| SOA | 1 | NS1.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.worldnic.com, ns2.worldnic.com)
Analysis
Hierarchy
sylvan.com is a parent of www.sylvan.com and mail.sylvan.com.
IP Addresses
sylvan.com points to a single IP address: 216.150.1.1.
Other host names such as devistresvite.ch, mustardbud.com, guesstheplot.com, purposeinvest.com and langfuse.com share IP numbers with sylvan.com.
Name Servers
sylvan.com is delegated to two name servers: ns1.worldnic.com and ns2.worldnic.com.
sylvan.com uses the same name server setup as other domains, including aerialmasters.net, kimmelcenter.com, barthstorage.info, iwaltd.co.uk and apdaarizona.org.
sylvan.com at least partially shares name servers with other domains; for instance ganser.net, pearleselector.biz and diabetesresearch.org.
Hostnames with a single IP
ns1.worldnic.com resolves to: 162.159.26.110.
ns2.worldnic.com resolves to: 162.159.27.124.
Mail Servers
The mail server for sylvan.com is mail.sylvan.com.
Host mail.sylvan.com points to IP 45.77.3.251.