`chengdumarathon.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:225c:9608:a4d6:4c30^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:8b2d:453e:ca75:106e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:ebc9:2f7c:b510:6be4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2dc4:130b:4451:428e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:fc3c:3fe2:26fc:37ae^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.95.179.7^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-95-179-7.compute-1.amazonaws.com`
		A	18.215.244.237^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-215-244-237.compute-1.amazonaws.com`
		A	54.162.128.215^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-128-215.compute-1.amazonaws.com`
		A	100.53.0.17^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-53-0-17.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:35a3:92d6:50d7:5279^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4998:887:9b75:86c8^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.80.255.88^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-255-88.compute-1.amazonaws.com`
		A	54.90.189.54^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-90-189-54.compute-1.amazonaws.com`
		A	54.156.72.40^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-156-72-40.compute-1.amazonaws.com`
		A	54.242.24.142^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-24-142.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:dc99:5062:557a:d433^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	50.16.74.14^{🇺🇸 Amazon50.16.0.0/16 EC2 IAD prefix}
			PTR	`ec2-50-16-74-14.compute-1.amazonaws.com`
		A	52.54.183.32^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-54-183-32.compute-1.amazonaws.com`
		A	54.242.146.158^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-146-158.compute-1.amazonaws.com`
		A	100.27.205.48^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-205-48.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-23 #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=1776959351

Subdomains

www.chengdumarathon.com

Same first word

chengdumarathon.com

DNS History

13 records (7 active, 6 former)

○NSdns10.hichina.com2015-06-27 → 2016-04-29 · 4 obs

● 2015-06-27 13:20:40
● 2016-04-29 01:24:14
○ 2017-01-09 22:49:38
○ 2026-04-23 15:50:16

○NSdns9.hichina.com2015-06-27 → 2016-04-29 · 4 obs

● 2015-06-27 13:20:40
● 2016-04-29 01:24:14
○ 2017-01-09 22:49:38
○ 2026-04-23 15:50:16

●NSns1.namebrightdns.com2017-01-09 → 2026-04-23 · 3 obs

○ 2016-04-29 01:24:14
● 2017-01-09 22:49:38
● 2026-04-23 15:50:16

○NSns2.namebrightdns.com2017-01-09 → 2018-08-01 · 5 obs

○ 2016-04-29 01:24:14
● 2017-01-09 22:49:38
● 2018-08-01 16:39:52
○ 2026-03-10 16:13:36
○ 2026-04-23 15:50:16

●NSnsg1.namebrightdns.com2026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

●NSnsg2.namebrightdns.com2026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

●A13.223.25.842026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

●A54.243.117.1972026-03-10 → 2026-04-23 · 3 obs

○ 2018-08-01 16:39:52
● 2026-03-10 16:13:36
● 2026-04-23 15:50:16

○A54.82.156.192017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 22:49:38
○ 2018-08-01 16:39:52
○ 2026-04-23 15:50:16

○A54.86.225.1562017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 22:49:38
○ 2018-08-01 16:39:52
○ 2026-04-23 15:50:16

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-09 → 2018-08-01 · 4 obs

● 2017-01-09 22:49:38
● 2018-08-01 16:39:52
○ 2026-03-10 16:13:36
○ 2026-04-23 15:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chengdumarathon.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:54.156.72.40

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chengdumarathon.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

The parent of www.chengdumarathon.com is chengdumarathon.com.

IP Addresses

chengdumarathon.com resolves to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names such as ns1.romanpopulaire.com, megelife.com, lotevent.com, www.femfinder.com and tabatherapy.com share IPs with chengdumarathon.com.

Name Servers

chengdumarathon.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

chengdumarathon.com at least partially shares name servers with other domains, for instance docsmitty.com, singleshine.com, cinemaniak.com, adlog.fanspage.shamansspark.com and inopin.com.

These name servers are commonly used together with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with nine IP numbers:

ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:225c:9608:a4d6:4c30, 2600:1f18:683a:ae1a:8b2d:453e:ca75:106e, 2600:1f18:683a:ae1a:ebc9:2f7c:b510:6be4, 2600:1f18:683a:ae1b:2dc4:130b:4451:428e, 2600:1f18:683a:ae1b:fc3c:3fe2:26fc:37ae, 3.95.179.7, 18.215.244.237, 54.162.128.215 and 100.53.0.17.

nsg1.namebrightdns.com points to 2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c, 2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c, 2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1, 2600:1f18:683a:ae1b:35a3:92d6:50d7:5279, 2600:1f18:683a:ae1b:4998:887:9b75:86c8, 54.80.255.88, 54.90.189.54, 54.156.72.40 and 54.242.24.142.

Host names with seven IP numbers:

nsg2.namebrightdns.com points to 2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9, 2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954, 2600:1f18:683a:ae1b:dc99:5062:557a:d433, 50.16.74.14, 52.54.183.32, 54.242.146.158 and 100.27.205.48.

chengdumarathon.com - robtex.com