51ecity.com - dns.ninja

51ecity.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:513d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9d2e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.61Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.46🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkatelyn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26eb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A2803:f800:50::6ca2:c2eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkatelyn.ns.cloudflare.com
A2a06:98c1:50::ac40:22eb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkatelyn.ns.cloudflare.com
A108.162.194.235🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A162.159.38.235Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A172.64.34.235🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
NSzeus.ns.cloudflare.com
A2606:4700:58::adf5:3bf9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A2803:f800:50::6ca2:c1f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzeus.ns.cloudflare.com
A2a06:98c1:50::ac40:21f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzeus.ns.cloudflare.com
A108.162.193.249🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A172.64.33.249🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
A173.245.59.249🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzeus.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.61, 172.67.157.46
IPv6 hints2606:4700:3031::6815:513d, 2606:4700:3033::ac43:9d2e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOAkatelyn.ns.cloudflare.comdns@cloudflare.com serial=2409698179

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785791027

Same first word

51ecity.com

DNS History

16 records (6 active, 10 former)

2017201820192020202120222023202420252026NSkatelyn.ns.cloudflare.comzeus.ns.cloudflare.comdns10.hichina.comdns11.hichina.comdns12.hichina.comdns9.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA104.21.81.61172.67.157.462606:4700:3031::6815:513d2606:4700:3033::ac43:9d2e103.223.120.134139.129.182.1352606:4700:3030::6815:513d2606:4700:3036::ac43:9d2e
○NSdns10.hichina.com2016-02-11 → 2017-02-07 · 4 obs
● 2016-02-11 15:19:00
● 2017-02-07 18:26:42
○ 2020-01-31 09:28:00
○ 2026-08-03 21:06:42
○NSdns11.hichina.com2020-01-31 → 2020-01-31 · 4 obs
○ 2017-02-07 18:26:42
● 2020-01-31 09:28:00
○ 2026-02-24 23:28:36
○ 2026-08-03 21:06:42
○NSdns12.hichina.com2020-01-31 → 2020-01-31 · 4 obs
○ 2017-02-07 18:26:42
● 2020-01-31 09:28:00
○ 2026-02-24 23:28:36
○ 2026-08-03 21:06:42
○NSdns9.hichina.com2016-02-11 → 2017-02-07 · 4 obs
● 2016-02-11 15:19:00
● 2017-02-07 18:26:42
○ 2020-01-31 09:28:00
○ 2026-08-03 21:06:42
●NSkatelyn.ns.cloudflare.com2026-04-04 → 2026-08-03 · 3 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-08-03 21:06:42
●NSzeus.ns.cloudflare.com2026-04-04 → 2026-08-03 · 3 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-08-03 21:06:42
○MXmxn.mxhichina.com2016-02-11 → 2017-02-07 · 4 obs
● 2016-02-11 15:19:00
● 2017-02-07 18:26:42
○ 2020-01-31 09:28:00
○ 2026-08-03 21:06:42
○MXmxw.mxhichina.com2016-02-11 → 2017-02-07 · 4 obs
● 2016-02-11 15:19:00
● 2017-02-07 18:26:42
○ 2020-01-31 09:28:00
○ 2026-08-03 21:06:42
○A103.223.120.1342020-01-31 → 2020-01-31 · 4 obs
○ 2017-02-07 18:26:42
● 2020-01-31 09:28:00
○ 2026-02-24 23:28:36
○ 2026-08-03 21:06:42
●A104.21.81.612026-04-04 → 2026-08-03 · 3 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-08-03 21:06:42
○A139.129.182.1352016-05-03 → 2017-02-07 · 4 obs
● 2016-05-03 08:41:16
● 2017-02-07 18:26:42
○ 2020-01-31 09:28:00
○ 2026-08-03 21:06:42
●A172.67.157.462026-04-04 → 2026-08-03 · 3 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-08-03 21:06:42
○A2606:4700:3030::6815:513d2026-04-04 → 2026-05-06 · 4 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-05-06 07:46:18
○ 2026-08-03 21:06:42
●A2606:4700:3031::6815:513d2026-08-03 → 2026-08-03 · 2 obs
○ 2026-05-06 07:46:18
● 2026-08-03 21:06:42
●A2606:4700:3033::ac43:9d2e2026-08-03 → 2026-08-03 · 2 obs
○ 2026-05-06 07:46:18
● 2026-08-03 21:06:42
○A2606:4700:3036::ac43:9d2e2026-04-04 → 2026-05-06 · 4 obs
○ 2026-02-24 23:28:36
● 2026-04-04 15:10:32
● 2026-05-06 07:46:18
○ 2026-08-03 21:06:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...-
51ecity.comzeus.ns.cloudflare.com, katelyn.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: zeus.ns.cloudflare.com, katelyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51ecity.com (unsigned zone)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.157.46, 104.21.81.61
AAAA22606:4700:3033::ac43:9d2e, 2606:4700:3031::6815:513d
NS2katelyn.ns.cloudflare.com, zeus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1katelyn.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zeus.ns.cloudflare.com, zeus.ns.cloudflare.com, zeus.ns.cloudflare.com...)

Analysis

IP Addresses

51ecity.com directs to four IP numbers, which are 104.21.81.61, 172.67.157.46, 2606:4700:3031::6815:513d and 2606:4700:3033::ac43:9d2e.

Additional host names — flowaccess.rest, ratu303b1.com, rusuper.com and two others — share IP numbers with 51ecity.com.

Name Servers

51ecity.com uses two name servers for its delegation: katelyn.ns.cloudflare.com and zeus.ns.cloudflare.com.

51ecity.com shares its name server setup with other domains, including gdgangyi.com, nxhszy.com, nibajia.com and two others.

The name servers of 51ecity.com overlap at least partially with those of other domains — among them nastock.com, okecloud.id, jsa.net and two more.

These name servers commonly appear in combination with the name servers ignat.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname katelyn.ns.cloudflare.com directs to 108.162.194.235, 162.159.38.235 and 172.64.34.235 along with 3 other IP addresses.

Hostname zeus.ns.cloudflare.com directs to 108.162.193.249, 172.64.33.249 and 173.245.59.249 along with 3 other IP addresses.