`cityengineering.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:46bd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8ac8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.189^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.200^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ines.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ines.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ines.ns.cloudflare.com`
		A	108.162.192.164^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	172.64.32.164^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	173.245.58.164^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
NS	`tony.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tony.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tony.ns.cloudflare.com`
		A	108.162.193.240^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	172.64.33.240^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	173.245.59.240^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.70.189, 172.67.138.200
		IPv6	2606:4700:3030::6815:46bd, 2606:4700:3035::ac43:8ac8
SOA	`ines.ns.cloudflare.com`dns@cloudflare.com serial=2396557467

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

Previously MX for

cityengineering.org

Same first word

cityengineering.gr

cityengineering.org

DNS History

20 records (6 active, 14 former)

●NSines.ns.cloudflare.com2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

○NSns-us.1and1-dns.com2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○NSns-us.1and1-dns.de2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○NSns-us.1and1-dns.org2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○NSns-us.1and1-dns.us2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○NSns1.lifehost.me2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 00:40:54
○ 2015-11-14 00:46:56
○ 2026-03-23 15:16:46

○NSns2.lifehost.me2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 00:40:54
○ 2015-11-14 00:46:56
○ 2026-03-23 15:16:46

●NStony.ns.cloudflare.com2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

○MXcityengineering.org2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 00:40:54
○ 2015-11-14 00:46:56
○ 2026-03-23 15:16:46

○MXmx00.1and1.com2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○MXmx01.1and1.com2015-11-14 → 2017-07-05 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

●A104.21.70.1892026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

○A149.255.16.122015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 00:40:54
○ 2015-11-14 00:46:56
○ 2026-03-23 15:16:46

●A172.67.138.2002026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

○A192.195.77.342016-04-21 → 2017-07-05 · 5 obs

○ 2016-02-03 12:23:00
● 2016-04-21 22:02:52
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

●A2606:4700:3030::6815:46bd2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

●A2606:4700:3035::ac43:8ac82026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-05 16:25:24
● 2026-02-17 11:26:42
● 2026-03-23 15:16:46

○A2607:f1c0:1000:9083:5719:6bf0:5b21:f2015-11-14 → 2016-02-03 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2016-02-03 12:23:00
○ 2016-04-21 22:02:52
○ 2026-03-23 15:16:46

○A2607:f1c0:1000:9083:8d8:9a80:f168:d0032016-04-21 → 2017-07-05 · 5 obs

○ 2016-02-03 12:23:00
● 2016-04-21 22:02:52
● 2017-07-05 16:25:24
○ 2026-02-17 11:26:42
○ 2026-03-23 15:16:46

○A66.175.237.232015-11-14 → 2016-02-03 · 5 obs

○ 2015-07-17 00:40:54
● 2015-11-14 00:46:56
● 2016-02-03 12:23:00
○ 2016-04-21 22:02:52
○ 2026-03-23 15:16:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
cityengineering.org	ines.ns.cloudflare.com, tony.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.164

NS records: ines.ns.cloudflare.com, tony.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cityengineering.org (unsigned zone)

⏱️ Timing

Total: 1391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.189, 172.67.138.200`
AAAA	2	`2606:4700:3030::6815:46bd, 2606:4700:3035::ac43:8ac8`
NS	2	`ines.ns.cloudflare.com, tony.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ines.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

cityengineering.org maps to four IP numbers: 2606:4700:3030::6815:46bd, 2606:4700:3035::ac43:8ac8, 104.21.70.189 and 172.67.138.200.

other host names include nbet.com.ng, goodgitube.com.tw, mail.marina.com.tw, fabric-analytics.com and gkjsf.com; they share IP numbers with cityengineering.org.

Name Servers

Two name servers ines.ns.cloudflare.com and tony.ns.cloudflare.com handle the delegation for cityengineering.org.

cityengineering.org shares the same name server setup as other domains, for instance rushfordpark.co.uk, roofworks.com.au, signmaninc.com, ekinun.com and serentcapital.com.

cityengineering.org at least partially shares name servers with other domains, for instance netcoins.app, bszb123bisaizhibogw.com.cn, streetscout.com, pubgam.com and r-khair.net.

These name servers are commonly used alongside samara.ns.cloudflare.com, ray.ns.cloudflare.com and armando.ns.cloudflare.com.

Six IP addresses per host:

ines.ns.cloudflare.com points to 2606:4700:50::adf5:3aa4, 2803:f800:50::6ca2:c0a4, 2a06:98c1:50::ac40:20a4, 108.162.192.164, 172.64.32.164 and 173.245.58.164; tony.ns.cloudflare.com points to 2606:4700:58::adf5:3bf0, 2803:f800:50::6ca2:c1f0, 2a06:98c1:50::ac40:21f0, 108.162.193.240, 172.64.33.240 and 173.245.59.240

cityengineering.org - robtex.com