citiesreference.com - dns.ninja

`citiesreference.com`

DNSSEC	⚠️ Not signed
A	3.87.233.137^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-87-233-137.compute-1.amazonaws.com`
A	52.200.109.23^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
NS	`ns-302.awsdns-37.com` ⭐
		A	2600:9000:5301:2e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-302.awsdns-37.com`
		A	205.251.193.46^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-302.awsdns-37.com`
NS	`ns-1429.awsdns-50.org`
		A	2600:9000:5305:9500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1429.awsdns-50.org`
		A	205.251.197.149^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1429.awsdns-50.org`
NS	`ns-1592.awsdns-07.co.uk`
		A	2600:9000:5306:3800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1592.awsdns-07.co.uk`
		A	205.251.198.56^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1592.awsdns-07.co.uk`
NS	`ns-659.awsdns-18.net`
		A	2600:9000:5302:9300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-659.awsdns-18.net`
		A	205.251.194.147^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-659.awsdns-18.net`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-302.awsdns-37.com`awsdns-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.net`nstld@verisign-grs.com serial=1782723030

Subdomains

www.citiesreference.com

Same first word

citiesreference.com

DNS History

21 records (8 active, 13 former)

●NSns-1429.awsdns-50.org2015-11-01 → 2026-06-29 · 3 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2026-06-29 09:05:56

●NSns-1592.awsdns-07.co.uk2015-11-01 → 2026-06-29 · 3 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2026-06-29 09:05:56

●NSns-302.awsdns-37.com2015-11-01 → 2026-06-29 · 3 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2026-06-29 09:05:56

●NSns-659.awsdns-18.net2015-11-01 → 2026-06-29 · 3 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2026-06-29 09:05:56

○NSns.rackspace.com2015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 23:18:44
○ 2015-11-01 05:30:38
○ 2026-06-29 09:05:56

○NSns2.rackspace.com2015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 23:18:44
○ 2015-11-01 05:30:38
○ 2026-06-29 09:05:56

○MXalt1.aspmx.l.google.com2015-11-01 → 2018-01-10 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○MXalt2.aspmx.l.google.com2015-11-01 → 2018-01-10 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○MXaspmx.l.google.com2015-11-01 → 2018-01-10 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○MXaspmx2.googlemail.com2015-11-01 → 2018-01-10 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○MXaspmx3.googlemail.com2015-11-01 → 2018-01-10 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○MXmail.citiesreference.com2015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 23:18:44
○ 2015-11-01 05:30:38
○ 2026-06-29 09:05:56

●MXmx1.improvmx.com2026-06-29 → 2026-06-29 · 3 obs

○ 2018-01-10 19:08:06
● 2026-06-29 09:05:54
● 2026-06-29 09:05:56

●MXmx2.improvmx.com2026-06-29 → 2026-06-29 · 3 obs

○ 2018-01-10 19:08:06
● 2026-06-29 09:05:54
● 2026-06-29 09:05:56

○A100.50.242.2202026-06-29 → 2026-06-29 · 2 obs

○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○A3.225.251.1622026-06-29 → 2026-06-29 · 2 obs

○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

●A3.87.233.1372026-06-29 → 2026-06-29 · 3 obs

○ 2018-01-10 19:08:06
● 2026-06-29 09:05:54
● 2026-06-29 09:05:56

●A52.200.109.232026-06-29 → 2026-06-29 · 3 obs

○ 2018-01-10 19:08:06
● 2026-06-29 09:05:54
● 2026-06-29 09:05:56

○A52.3.28.1962016-09-06 → 2018-01-10 · 5 obs

○ 2016-04-18 21:29:52
● 2016-09-06 07:54:10
● 2018-01-10 19:08:06
○ 2026-06-29 09:05:54
○ 2026-06-29 09:05:56

○A52.91.104.1472015-11-01 → 2016-04-18 · 5 obs

○ 2015-06-19 23:18:44
● 2015-11-01 05:30:38
● 2016-04-18 21:29:52
○ 2016-09-06 07:54:10
○ 2026-06-29 09:05:56

○A95.138.128.1582015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 23:18:44
○ 2015-11-01 05:30:38
○ 2026-06-29 09:05:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
citiesreference.com	ns-659.awsdns-18.net, ns-302.awsdns-37.com, ns-1592.awsdns-07.co.uk, ns-1429.awsdns-50.org	2 records

✅ Authoritative Response

Server:205.251.194.147

NS records: ns-659.awsdns-18.net, ns-302.awsdns-37.com, ns-1592.awsdns-07.co.uk, ns-1429.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citiesreference.com (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.87.233.137, 52.200.109.23`
NS	4	`ns-1429.awsdns-50.org, ns-1592.awsdns-07.co.uk...`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-302.awsdns-37.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-302.awsdns-37.com, ns-302.awsdns-37.com)

Analysis

Hierarchy

citiesreference.com is a parent domain of www.citiesreference.com.

IP Addresses

citiesreference.com resolves to the IP addresses 3.87.233.137 and 52.200.109.23

Name Servers

The authoritative name servers for citiesreference.com are ns-302.awsdns-37.com, ns-659.awsdns-18.net, ns-1429.awsdns-50.org and ns-1592.awsdns-07.co.uk.

citiesreference.com shares at least some of its name servers with other domains, including voxdatasolutions.org, consideramazon.com, serasaconsumidor.com and two others.

The host names ns-302.awsdns-37.com, ns-659.awsdns-18.net, ns-1429.awsdns-50.org and ns-1592.awsdns-07.co.uk each resolve to two IP addresses: ns-302.awsdns-37.com resolves to 205.251.193.46 and 2600:9000:5301:2e00::1; ns-659.awsdns-18.net resolves to 205.251.194.147 and 2600:9000:5302:9300::1; ns-1429.awsdns-50.org resolves to 205.251.197.149 and 2600:9000:5305:9500::1; ns-1592.awsdns-07.co.uk resolves to 205.251.198.56 and 2600:9000:5306:3800::1.

Mail Servers

Mail for citiesreference.com is handled by two mail servers — mx1.improvmx.com and mx2.improvmx.com.

citiesreference.com uses an identical mail server configuration to several other domains — among them aedaudiolibri.it, tintops.com, verrycken.be and two more.

citiesreference.com has at least partial mail server overlap with other domains such as beastinct.com, otomex.com, businessbolts.com and two more.

Hostnames that resolve to 6 IP addresses:

mx1.improvmx.com resolves to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 other IP addresses.

mx2.improvmx.com resolves to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 other IP addresses.