`server1.duyhai.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐ ⚠️ Not in parent delegation
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com` ⚠️ Not in parent delegation
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=1

`duyhai.com`

	DNSSEC	⚠️ Not signed
	A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
	A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
	NS	`ns2.afternic.com` ⭐
	NS	`ns1.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns2.afternic.com`dns@jomax.net serial=1

Same first word

server1.3utilities.com

server1.no

server1.nl

server1.se

server1.net.br

server1.ch

server1.ru

server1.com.br

server1.co

server1.org

server1.gr

server1.hu

server1.cloud

server1.club

server1.eu

server1.info

server1.lv

server1.cc

server1.net

server1.dk

server1.co.za

server1.bplaced.net

server1.de

server1.com.de

server1.pl

server1.com

server1.co.kr

server1.jp

server1.pro

server1.ca

server1.uk.com

server1.ge

server1.at

server1.bg

Similar names

1server.cn

1server.com

resrve1.com

1server.info

1server.work

1server.ru

1server.xyz

1server.one

1server.nz

1server.com.ua

1server.cz

1server.co.uk

1server.de

1server.fr

DNS History

19 records (4 active, 15 former)

●NSns1.afternic.com2026-04-12 → 2026-04-13 · 3 obs

○ 2026-04-09 06:25:20
● 2026-04-12 16:15:16
● 2026-04-13 14:15:00

○NSns1.namebrightdns.com2015-06-06 → 2026-04-09 · 4 obs

● 2015-06-06 02:57:52
● 2026-04-09 06:25:20
○ 2026-04-12 16:15:16
○ 2026-04-13 14:15:00

●NSns2.afternic.com2026-04-12 → 2026-04-13 · 3 obs

○ 2026-04-09 06:25:20
● 2026-04-12 16:15:16
● 2026-04-13 14:15:00

○NSns2.namebrightdns.com2015-06-06 → 2026-04-09 · 7 obs

● 2015-06-06 02:57:52
● 2016-01-17 02:30:22
○ 2016-03-31 06:24:26
● 2026-03-30 16:15:32
● 2026-04-09 06:25:20
○ 2026-04-12 16:15:16
○ 2026-04-13 14:15:00

○NSnsg1.namebrightdns.com2016-01-17 → 2016-03-31 · 5 obs

○ 2015-06-06 02:57:52
● 2016-01-17 02:30:22
● 2016-03-31 06:24:26
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

○NSnsg2.namebrightdns.com2016-01-17 → 2016-03-31 · 5 obs

○ 2015-06-06 02:57:52
● 2016-01-17 02:30:22
● 2016-03-31 06:24:26
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

○MXanmail.namebrightmail.com2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 02:57:52
○ 2015-10-28 23:44:44
○ 2026-04-13 14:15:00

○A107.21.42.1422016-03-31 → 2016-03-31 · 4 obs

○ 2016-01-17 02:30:22
● 2016-03-31 06:24:26
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

●A13.248.169.482026-04-12 → 2026-04-13 · 3 obs

○ 2026-03-30 16:15:32
● 2026-04-12 16:15:16
● 2026-04-13 14:15:00

○A52.21.52.1092016-01-17 → 2016-01-17 · 4 obs

○ 2015-10-28 23:44:44
● 2016-01-17 02:30:22
○ 2016-03-31 06:24:26
○ 2026-04-13 14:15:00

○A54.174.149.302016-03-31 → 2016-03-31 · 4 obs

○ 2016-01-17 02:30:22
● 2016-03-31 06:24:26
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

○A54.174.31.2542015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-06 02:57:52
● 2015-10-28 23:44:44
○ 2016-01-17 02:30:22
○ 2026-04-13 14:15:00

○A54.208.74.2152015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-06 02:57:52
● 2015-10-28 23:44:44
○ 2016-01-17 02:30:22
○ 2026-04-13 14:15:00

○A54.209.174.1672016-01-17 → 2016-01-17 · 4 obs

○ 2015-10-28 23:44:44
● 2016-01-17 02:30:22
○ 2016-03-31 06:24:26
○ 2026-04-13 14:15:00

○A54.85.144.1972015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 02:57:52
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

○A54.85.146.1862015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 02:57:52
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

●A76.223.54.1462026-04-12 → 2026-04-13 · 3 obs

○ 2026-03-30 16:15:32
● 2026-04-12 16:15:16
● 2026-04-13 14:15:00

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-06 → 2016-03-31 · 4 obs

● 2015-06-06 02:57:52
● 2016-03-31 06:24:26
○ 2026-03-30 16:15:32
○ 2026-04-13 14:15:00

○CNAMEurlforward-https.namebright.com2026-03-30 → 2026-04-09 · 5 obs

○ 2016-03-31 06:24:26
● 2026-03-30 16:15:32
● 2026-04-09 06:25:20
○ 2026-04-12 16:15:16
○ 2026-04-13 14:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
duyhai.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duyhai.com (unsigned zone)

⏱️ Timing

Total: 100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

server1.duyhai.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance mail.worldsweb.com, bdyf.com, neuropathy.cn, www.pmsat.com and www.jan.la share IP numbers with server1.duyhai.com.

Name Servers

server1.duyhai.com's delegation is to two name servers ns1.afternic.com and ns2.afternic.com.

server1.duyhai.com shares the same name server configuration as other domains, such as silverhd.com, www.catchsolution.com, softouch.co, tritonus.com and americanpickuptruckdealer.us.

server1.duyhai.com at least partially shares its name servers with other domains, for instance ryersonrta.com, apforex.com, btsdex.com, ar-cm.com and totalpt.com.

These name servers are often used together with the name servers verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn.

Host names with two IP numbers: ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69

server1.duyhai.com - robtex.com