citybook.net - robtex.com
citybook.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.175.58.9🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | hostedc38.carrierzone.com | ||||||
| NS | dns1.earthlink.net ⭐ | ||||||
| A | 64.29.149.110🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns1.earthlink.net | ||||||
| NS | dns2.earthlink.net | ||||||
| A | 64.29.153.110🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns2.earthlink.net | ||||||
| NS | dns3.earthlink.net | ||||||
| A | 216.251.37.110🇨🇦 INFB216.251.32.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | dns3.earthlink.net | ||||||
| MX | mx1c38.carrierzone.com ⭐ | ||||||
| A | 66.175.58.41🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx1c38.carrierzone.com | ||||||
| MX | mx2c38.carrierzone.com(100) | ||||||
| A | 66.175.58.42🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx2c38.carrierzone.com | ||||||
| MX | mx3c38.carrierzone.com(110) | ||||||
| A | 66.175.58.43🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx3c38.carrierzone.com | ||||||
| MX | mx4c38.carrierzone.com(120) | ||||||
| A | 66.175.58.44🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx4c38.carrierzone.com | ||||||
| TXT | v=spf1 include:spfc38.carrierzone.com ~all | ||||||
| SOA | dns1.earthlink.nethostmaster@earthlink.net serial=1017 | ||||||
net
| 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=1778498981 | ||||||
Same first word
citybook.cn |
citybook.com |
citybook.pk |
citybook.at |
citybook.me |
citybook.online |
citybook.ca |
citybook.dk |
citybook.fr |
citybook.by |
citybook.de |
citybook.co.il |
citybook.net |
citybook.org |
Similar names
DNS History
8 records (8 active, 0 former)
●NSdns1.earthlink.net2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●NSdns2.earthlink.net2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●NSdns3.earthlink.net2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●MXmx1c38.carrierzone.com2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●MXmx2c38.carrierzone.com2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●MXmx3c38.carrierzone.com2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●MXmx4c38.carrierzone.com2015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
●A66.175.58.92015-07-21 → 2026-05-11 · 2 obs
● 2026-05-11 11:32:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| citybook.net | dns3.earthlink.net, dns1.earthlink.net, dns2.earthlink.net | 3 records |
✅ Authoritative Response
Server:216.251.37.110
NS records: dns3.earthlink.net, dns1.earthlink.net, dns2.earthlink.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for citybook.net (unsigned zone)
⏱️ Timing
Total: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.175.58.9 |
| NS | 3 | dns3.earthlink.net, dns1.earthlink.net... |
| MX | 4 | mx4c38.carrierzone.com (pri: 120), mx3c38.carrierzone.com (pri: 110)... |
| TXT | 1 | v=spf1 include:spfc38.carrierzone.com ~a |
| SOA | 1 | dns1.earthlink.net hostmaster.earthlink. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (dns3.earthlink.net, dns1.earthlink.net, dns2.earthlink.net)
Analysis
IP Addresses
citybook.net points to IP number: 66.175.58.9.
Other host names such as sqrc.org, plusfive.com, lufran.com, psarx.com and worad.com share IPs with citybook.net.
Name Servers
citybook.net is delegated to three name servers: dns1.earthlink.net, dns2.earthlink.net and dns3.earthlink.net.
citybook.net at least partially shares name servers with other domains, for instance storytale.com, jaymarkengineering.com, scottroeb.com, notariannilaw.com and bbcconsultinginc.net.
these name servers are commonly used together with the name servers ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com, ns4.carrierzone.com and dns4.earthlink.net.
Host names with a single IP:
dns1.earthlink.net points to: 64.29.149.110.
dns2.earthlink.net points to: 64.29.153.110.
dns3.earthlink.net points to: 216.251.37.110.
Mail Servers
Four mail servers handle citybook.net: mx1c38.carrierzone.com, mx2c38.carrierzone.com, mx3c38.carrierzone.com and mx4c38.carrierzone.com.
citybook.net shares at least partially some mail servers with other domains, including scstx.com, salsarueda.com, intravantage.com, mdci.info and datarel.com.
Host names with one IP number:
mx1c38.carrierzone.com points to 66.175.58.41.
mx2c38.carrierzone.com points to 66.175.58.42.
mx3c38.carrierzone.com points to 66.175.58.43.
mx4c38.carrierzone.com points to 66.175.58.44.