sybex.com - robtex.com
sybex.com
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=1771291435 | ||||||
rank #200409 in the tld
WOT: SAFE (73/100)
Up
Same first word
Similar names
DNS History
20 records (6 active, 14 former)
●NSalgin.ns.cloudflare.com2026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
○NSaus-ibextdns-01.wiley.com2020-11-21 → 2021-07-04 · 5 obs
● 2020-11-21 10:48:32
● 2021-07-04 20:11:36
○ 2026-02-20 13:13:08
○ 2026-02-21 10:47:56
○NSbri-ns01.wiley.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○NScar-ibextdns-01.wiley.com2020-11-21 → 2021-07-04 · 5 obs
● 2020-11-21 10:48:32
● 2021-07-04 20:11:36
○ 2026-02-20 13:13:08
○ 2026-02-21 10:47:56
○NSjws-edcp.wiley.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○NSns.wiley.co.uk2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○NSns.wileypub.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○NSns2.wiley.co.uk2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
●NSrafe.ns.cloudflare.com2026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
○NSsg-ns01.wiley.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○MXcluster1.us.messagelabs.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○MXcluster1a.us.messagelabs.com2015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
○MXmxa-0053b401.gslb.pphosted.com2020-11-21 → 2021-07-04 · 5 obs
● 2020-11-21 10:48:32
● 2021-07-04 20:11:36
○ 2026-02-20 13:13:08
○ 2026-02-21 10:47:56
○MXmxb-0053b401.gslb.pphosted.com2020-11-21 → 2021-07-04 · 5 obs
● 2020-11-21 10:48:32
● 2021-07-04 20:11:36
○ 2026-02-20 13:13:08
○ 2026-02-21 10:47:56
●A104.21.0.1892026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
●A172.67.128.532026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
○A208.215.179.1322015-08-18 → 2016-12-27 · 4 obs
● 2016-12-27 08:20:00
○ 2020-11-21 10:48:32
○ 2026-02-21 10:47:56
●A2606:4700:3034::ac43:80352026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
●A2606:4700:3037::6815:bd2026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 13:13:08
● 2026-02-21 10:47:56
○A63.97.118.672020-11-21 → 2021-07-04 · 5 obs
● 2020-11-21 10:48:32
● 2021-07-04 20:11:36
○ 2026-02-20 13:13:08
○ 2026-02-21 10:47:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sybex.com | algin.ns.cloudflare.com, rafe.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.193.61
NS records: algin.ns.cloudflare.com, rafe.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sybex.com (unsigned zone)
⏱️ Timing
Total: 97ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.0.189, 172.67.128.53 |
| AAAA | 2 | 2606:4700:3034::ac43:8035, 2606:4700:3037::6815:bd |
| NS | 2 | algin.ns.cloudflare.com, rafe.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | algin.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (algin.ns.cloudflare.com, algin.ns.cloudflare.com, algin.ns.cloudflare.com...)
AI analysis
sybex.com is a parent of oscar.sybex.com, www.sybex.com and ftp.sybex.com.
sybex.com resolves to four IP numbers: 2606:4700:3034::ac43:8035, 2606:4700:3037::6815:bd, 104.21.0.189 and 172.67.128.53.
other host names for instance vixmenor.com, examiner.co.ug, huelva.net, hostingtom.com and ostereo.ru share IP numbers with sybex.com.
sybex.com is delegated to two name servers: algin.ns.cloudflare.com and rafe.ns.cloudflare.com.
sybex.com shares the same name server setup as other domains, for example ijfst.net, cgir.org, psycho-oncologyjournal.com, jbfacdev.com and turbotheorie.nl.
sybex.com at least partially shares name servers with other domains, for instance xtrasize.cz, baixiangjubag.com, ferro-silicon-alloy.com, fjmxjy.com and play16.ru.
These name servers are commonly used with the name servers arya.ns.cloudflare.com.
Host names with six IP numbers:
algin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3d, 2803:f800:50::6ca2:c13d, 2a06:98c1:50::ac40:213d, 108.162.193.61, 172.64.33.61 and 173.245.59.61; rafe.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad8, 2803:f800:50::6ca2:c0d8, 2a06:98c1:50::ac40:20d8, 108.162.192.216, 172.64.32.216 and 173.245.58.216.