ctbil.com - dns.ninja
ctbil.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.109.109.108🇺🇸 UNSPECIFIED160.0.0.0/3 | ||||||
| NS | ns-41.awsdns-05.com ⭐ | ||||||
| A | 2600:9000:5300:2900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-41.awsdns-05.com | ||||||
| A | 205.251.192.41🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-41.awsdns-05.com | ||||||
| NS | ns-1444.awsdns-52.org | ||||||
| A | 2600:9000:5305:a400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1444.awsdns-52.org | ||||||
| A | 205.251.197.164🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1444.awsdns-52.org | ||||||
| NS | ns-1879.awsdns-42.co.uk | ||||||
| A | 2600:9000:5307:5700::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1879.awsdns-42.co.uk | ||||||
| A | 205.251.199.87🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1879.awsdns-42.co.uk | ||||||
| NS | ns-947.awsdns-54.net | ||||||
| A | 2600:9000:5303:b300::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-947.awsdns-54.net | ||||||
| A | 205.251.195.179🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-947.awsdns-54.net | ||||||
| MX | modus-1.ctbil.com ⭐ | ||||||
| A | 198.147.42.84 | ||||||
| MX | taxsmtp1.ctbil.com(20) | ||||||
| A | 198.147.42.231 | ||||||
| SOA | ns-41.awsdns-05.comawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1786603599 | ||||||
Subdomains
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns-1444.awsdns-52.org2026-02-14 → 2026-08-13 · 3 obs
● 2026-02-14 22:45:14
● 2026-08-13 06:52:56
●NSns-1879.awsdns-42.co.uk2026-02-14 → 2026-08-13 · 3 obs
● 2026-02-14 22:45:14
● 2026-08-13 06:52:56
●NSns-41.awsdns-05.com2026-02-14 → 2026-08-13 · 3 obs
● 2026-02-14 22:45:14
● 2026-08-13 06:52:56
●NSns-947.awsdns-54.net2026-02-14 → 2026-08-13 · 3 obs
● 2026-02-14 22:45:14
● 2026-08-13 06:52:56
○NSns-ftc.wkglobal.net2015-08-25 → 2018-10-10 · 5 obs
● 2015-08-25 22:01:00
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
○NSns-ptcc.wkglobal.net2015-08-25 → 2018-10-10 · 5 obs
● 2015-08-25 22:01:00
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
○NSns-ptck.wkglobal.net2015-08-25 → 2018-10-10 · 5 obs
● 2015-08-25 22:01:00
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
○NSns-slg.wkglobal.net2015-08-25 → 2018-10-10 · 5 obs
● 2015-08-25 22:01:00
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
○NSri95ns01.wkglobal.net2008-09-05 → 2018-10-10 · 4 obs
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
○NStx95ns01.wkglobal.net2008-09-05 → 2018-10-10 · 4 obs
● 2018-10-10 14:07:34
○ 2026-02-14 22:45:14
○ 2026-08-13 06:52:56
●MXmodus-1.ctbil.com2008-09-05 → 2026-08-13 · 2 obs
● 2026-08-13 06:52:56
●MXtaxsmtp1.ctbil.com2008-09-05 → 2026-08-13 · 2 obs
● 2026-08-13 06:52:56
●A160.109.109.1082008-09-05 → 2026-08-13 · 2 obs
● 2026-08-13 06:52:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| ctbil.com | ns-41.awsdns-05.com, ns-947.awsdns-54.net, ns-1879.awsdns-42.co.uk, ns-1444.awsdns-52.org | 2 records |
✅ Authoritative Response
Server:205.251.199.87
NS records: ns-41.awsdns-05.com, ns-947.awsdns-54.net, ns-1879.awsdns-42.co.uk, ns-1444.awsdns-52.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctbil.com (unsigned zone)
⏱️ Timing
Total: 295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.109.109.108 |
| NS | 4 | ns-1444.awsdns-52.org, ns-1879.awsdns-42.co.uk... |
| MX | 2 | modus-1.ctbil.com (pri: 10), taxsmtp1.ctbil.com (pri: 20) |
| SOA | 1 | ns-41.awsdns-05.com awsdns-hostmaster.am |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-41.awsdns-05.com, ns-41.awsdns-05.com)
Analysis
Hierarchy
The domain ctbil.com is a parent of taxsmtp1.ctbil.com, modus-1.ctbil.com, www.ctbil.com and test1www.ctbil.com.
IP Addresses
ctbil.com points to a single IP number: 160.109.109.108.
Among the host names that share IP numbers with ctbil.com is www.ctbil.com, as one example.
Name Servers
ctbil.com has four authoritative name servers: ns-41.awsdns-05.com, ns-947.awsdns-54.net, ns-1444.awsdns-52.org and ns-1879.awsdns-42.co.uk.
At least some of ctbil.com's name servers are shared with other domains, for example litman.biz, acelity.com.sg, randstad.de and two more.
It is common for these name servers to be used in conjunction with the name servers ns-294.awsdns-36.com, ns-1294.awsdns-33.org and ns-1982.awsdns-55.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-41.awsdns-05.com directs to 205.251.192.41 and 2600:9000:5300:2900::1; ns-947.awsdns-54.net directs to 205.251.195.179 and 2600:9000:5303:b300::1; ns-1444.awsdns-52.org directs to 205.251.197.164 and 2600:9000:5305:a400::1; ns-1879.awsdns-42.co.uk directs to 205.251.199.87 and 2600:9000:5307:5700::1.
Mail Servers
ctbil.com has two mail servers: modus-1.ctbil.com and taxsmtp1.ctbil.com.
Each of modus-1.ctbil.com and taxsmtp1.ctbil.com has one IP address: modus-1.ctbil.com uses 198.147.42.84 and taxsmtp1.ctbil.com uses 198.147.42.231.