ctlib.com - dns.ninja
ctlib.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=1782912516 | ||||||
Same first word
Similar names
DNS History
17 records (11 active, 6 former)
●NSns-cloud-c1.googledomains.com2026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
●NSns-cloud-c2.googledomains.com2026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
●NSns-cloud-c3.googledomains.com2026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
●NSns-cloud-c4.googledomains.com2026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
○NSns15.domaincontrol.com2015-08-16 → 2017-05-19 · 4 obs
● 2017-05-19 20:58:36
○ 2026-03-18 16:10:46
○ 2026-07-01 13:49:20
○NSns16.domaincontrol.com2015-08-16 → 2017-05-19 · 4 obs
● 2017-05-19 20:58:36
○ 2026-03-18 16:10:46
○ 2026-07-01 13:49:20
●MXalt1.aspmx.l.google.com2017-05-19 → 2026-07-01 · 3 obs
● 2017-05-19 20:58:36
● 2026-07-01 13:49:20
●MXalt2.aspmx.l.google.com2017-05-19 → 2026-07-01 · 3 obs
● 2017-05-19 20:58:36
● 2026-07-01 13:49:20
●MXaspmx.l.google.com2017-05-19 → 2026-07-01 · 3 obs
● 2017-05-19 20:58:36
● 2026-07-01 13:49:20
●MXaspmx2.googlemail.com2017-05-19 → 2026-07-01 · 3 obs
● 2017-05-19 20:58:36
● 2026-07-01 13:49:20
●MXaspmx3.googlemail.com2017-05-19 → 2026-07-01 · 3 obs
● 2017-05-19 20:58:36
● 2026-07-01 13:49:20
○MXmailstore1.secureserver.net2015-08-16 → 2016-07-11 · 4 obs
● 2016-07-11 23:40:12
○ 2017-05-19 20:58:36
○ 2026-07-01 13:49:20
○MXsmtp.secureserver.net2015-08-16 → 2016-07-11 · 4 obs
● 2016-07-11 23:40:12
○ 2017-05-19 20:58:36
○ 2026-07-01 13:49:20
●A15.197.142.1732026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
○A184.168.221.192015-12-15 → 2017-05-19 · 5 obs
● 2015-12-15 23:36:44
● 2017-05-19 20:58:36
○ 2026-03-18 16:10:46
○ 2026-07-01 13:49:20
●A3.33.152.1472026-03-18 → 2026-07-01 · 3 obs
● 2026-03-18 16:10:46
● 2026-07-01 13:49:20
○A69.43.201.1352015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-15 23:36:44
○ 2026-07-01 13:49:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| ctlib.com | ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.36.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 493ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 4 | ns-cloud-c2.googledomains.com, ns-cloud-c4.googledomains.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 30), aspmx3.googlemail.com (pri: 50)... |
| TXT | 2 | google-site-verification=tw9Mq8Dg2e64z3e, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)
Analysis
IP Addresses
ctlib.com directs to two IP numbers, 3.33.152.147 and 15.197.142.173
Additional host names — princecastle.co.uk, rccid.com, nikkofarmer.com and two others — share IP numbers with ctlib.com.
Name Servers
ctlib.com has four authoritative name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
ctlib.com has at least partial name server overlap with other domains, such as inteles-net.com, alikaz.com, gunsabc.com and two others.
ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com all point to exactly two IP numbers each: ns-cloud-c1.googledomains.com → 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com → 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com → 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com → 216.239.38.108 and 2001:4860:4802:38::6c.
Mail Servers
Mail for ctlib.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
ctlib.com shares mail servers — at least in part — with other domains, including cs.su, syncronosys.com, finnbjorn.com and two others.
These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c29::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.